JPWO2013180140A1 - ジヒドロオロト酸脱水素酵素阻害剤 - Google Patents
ジヒドロオロト酸脱水素酵素阻害剤 Download PDFInfo
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- JPWO2013180140A1 JPWO2013180140A1 JP2014518687A JP2014518687A JPWO2013180140A1 JP WO2013180140 A1 JPWO2013180140 A1 JP WO2013180140A1 JP 2014518687 A JP2014518687 A JP 2014518687A JP 2014518687 A JP2014518687 A JP 2014518687A JP WO2013180140 A1 JPWO2013180140 A1 JP WO2013180140A1
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- UFIVEPVSAGBUSI-UHFFFAOYSA-N dihydroorotic acid Chemical compound OC(=O)C1CC(=O)NC(=O)N1 UFIVEPVSAGBUSI-UHFFFAOYSA-N 0.000 title claims abstract description 21
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- 229910052799 carbon Inorganic materials 0.000 claims abstract description 327
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 52
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- 125000000217 alkyl group Chemical group 0.000 claims abstract description 41
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 15
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- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 14
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- 125000003118 aryl group Chemical group 0.000 description 13
- PHEZJEYUWHETKO-UHFFFAOYSA-N brequinar Chemical compound N1=C2C=CC(F)=CC2=C(C(O)=O)C(C)=C1C(C=C1)=CC=C1C1=CC=CC=C1F PHEZJEYUWHETKO-UHFFFAOYSA-N 0.000 description 13
- ZDYVRSLAEXCVBX-UHFFFAOYSA-N pyridinium p-toluenesulfonate Chemical compound C1=CC=[NH+]C=C1.CC1=CC=C(S([O-])(=O)=O)C=C1 ZDYVRSLAEXCVBX-UHFFFAOYSA-N 0.000 description 13
- 239000002994 raw material Substances 0.000 description 13
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- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 12
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Abstract
Description
Xは、ハロゲン原子を表し、
R1は、水素原子を表し、
R2は、炭素数1−7のアルキル基を表し、
R3は、−CHOを表し、
R4は、−CH2−CH=C(CH3)−R0(式中R0は、末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数1−12のアルキル基、末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数2−12のアルケニル基、または末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数2−12のアルキニル基を表す)を表す)
で示される化合物、それらの光学異性体、およびそれらの医薬上許容される塩のうち1種または2種以上、および医薬上許容される担体を含むDHOD阻害剤を提供する。
Xは、塩素原子を表し、
R1は、水素原子を表し、
R2は、メチル基を表し、
R3は、−CHOを表し、
R4は、−CH2−CH=C(CH3)−R0(式中R0は、末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数1−12のアルキル基、または末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数2−12のアルケニル基を表す)を表し、置換基を有する場合、当該置換基は、−O−CO−C(CH3)3、−O−CO−CH(CH3)2、−C(CH3)2−O−CH3、−O−(2−フリル)、−OH、−CH(OCH3)−CH2−CO−C(CH3)3、−CHO、−CO−O−CH3、−CO−CH3、−O−CO−CH3、−CO−C(CH3)3からなる群より選択される、化合物、それらの光学異性体、およびそれらの医薬上許容される塩のうち1種または2種以上、および医薬上許容される担体を含むジヒドロオロト酸脱水素酵素阻害剤をあげることができる。
からなる群より選択される、化合物、それらの光学異性体、およびそれらの医薬上許容される塩のうち1種または2種以上、および医薬上許容される担体を含むジヒドロオロト酸脱水素酵素阻害剤をあげることができる。 本発明のDHOD阻害剤を生体に投与する場合は、経口的にあるいは直腸内、皮下、髄腔内、静脈内、動脈内、経皮等の非経口的に投与することができる。生体に投与する場合、本発明において使用する化合物またはその塩は適当な剤型に製剤化して用いるのが好ましく、例えば、錠剤、散剤、顆粒剤、細粒剤、丸剤、カプセル剤、トローチ剤、チュワブル剤、液剤、乳剤、懸濁剤、坐剤、シロップ剤、ローション剤、軟膏剤、パップ剤等の製剤で用いることができる。これらの剤型に製剤化するには薬学上許容しうる適当な担体を用いて行うことができる。
[製造例]
以下、本発明において使用する化合物を実施例によって具体的に説明する。なお、これらは、本発明の範囲を限定するものではない。
1.誘導体215-15-COOEt,215-15-COOIPr,215-13-COOH
無水酢酸 (12.5 ml, 132 mmol) のCHCl3 (16 ml) 溶液に0℃で30%過酸化水素水 (10 ml, 98 mmol) を加え、同温で1時間撹拌した。次いでマレイン酸無水物 (10.0 g, 102 mmol) を個体のまま加え、徐々に室温に戻しながら2時間撹拌した。反応溶液の発熱を確認し、シクロドデカノン (化合物1, 2.52 g, 13.8 mmol) を個体のまま加え、35℃で16時間撹拌した。反応溶液を室温に戻した後、さらに0℃に冷却し、析出したマレイン酸を濾過して取り除いた。濾液をH2Oで洗浄後、KOHとNa2SO3をそれぞれ10%含むように調製した水溶液、飽和食塩水でさらに洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (Hexane : EtOAc = 1:1) に負荷して, 化合物2の粗生成物を得た。そしてこれはこれ以上の精製を行わず、次の反応に用いた。
1H-NMR (400 MHz, CDCl3)δ4.14 (2H, q, J = 7.3 Hz, CO2CH 2CH3), 3.64 (2H, t, J = 6.4 Hz, CH 2OH), 2.26 (2H, t, J = 7.5 Hz, CH 2CO2Et), 1.71 (1H, br, OH), 1.68-1.53 (4H, m, CH 2CH2OH & CH 2CH2CO2Et), 1.28 {14H, m, (CH 2)7}, 1.26 (3H, t, J = 7.3 Hz, CO2CH2CH 3)。
1H-NMR (500 MHz, CDCl3)δ9.77 (1H, t, J = 1.8 Hz, CHO), 4.12 (2H, q, J = 7.1 Hz, CO2CH 2CH3), 2.42 (2H, dt, J = 1.8, 7.3 Hz, CH2CH 2CHO), 2.28 (2H, t, J = 7.6 Hz, CH 2CO2Et), 1.65-1.58 (4H, m, CH 2CH2CHO and CH 2CH2CO2Et), 1.28 {12H, br, (CH 2)6}, 1.25 (3H, t, J = 7.1 Hz, CO2CH2CH 3)。
得られた2級アルコール (0.075g, 0.175mmol) のAcOH (1.5 ml) 溶液にH3PO4 (0.06 ml) を加え、70℃で6時間撹拌した。反応溶液を室温に戻した後、H2OとEtOAで希釈し、有機層を分取後、水層をEtOAcで2回抽出した。合わせた有機層をsat. NaHCO3 , sat. NaCl各水溶液で洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (Hexane : EtOAc = 5:1) で精製し、得られた個体を再結晶(Hexane : EtOAc = 10:1) することでさらに精製し、対応するオレフィンを得た。(0.048g, 67%)
得られたオレフィン (42 mg, 0.10 mmol) をEtOAc (5 ml) に溶かし、0℃に冷却した後、触媒量のPd-Cを加え、これを水素雰囲気下で2時間撹拌した。Pd-Cを濾別した後、溶媒を留去し、残さをシリカゲルカラムクロマトグラフィー (Hexane : EtOAc = 4:1) で精製した。さらに得られた固体をhexaneから再結晶することで目的物を得た (19.5 mg, 47%)。 Mp. 59-60℃。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.33 (1H, s, Ar-OH), 4.12 (2H, q, J = 7.2 Hz, CO2CH 2CH3), 2.66 (2H, t, J = 7.7 Hz, ArCH 2), 2.61 (3H, s, Ar-CH 3), 2.28 (2H, t, J = 7.3 Hz, CH 2CO2Et), 1.63-1.56 (2H, m, CH 2), 1.54-1.49 (2H, m, CH 2), 1.38-1.24 {17H, m, (CH 2)8& CO2CH2CH 2}. IR (KBr) 3348, 2930, 2853, 1736, 1610, 1452, 1416, 1377, 1327, 1279, 1240, 1167, 1128, 1020, 916, 860, 785, 708, 590 cm-1. HRMS (EI) calcd. For C22H33ClO5: 412.2018, found 412.2032。
Isopropyl 12-(3-chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)dodecanate (215-15-COO I Pr).
化合物2 (crude, 5.418 g) をKOH (1.5 M in MeOH, 40 ml, 60 mmol) 中で3時間還流した。反応溶液を室温に戻した後、H2Oに注ぎ込みEtOAcで2回洗った後、水層を2M HClで酸性にし、EtOAcで2回抽出した。合わせた有機層をsat. aq. NaClで洗いNa2SO4で乾燥した。溶媒を留去した後、析出した粗結晶をacetone : hexane = 1:5 の混合溶媒から再結晶し、対応するカルボン酸を得た (4.326 g, 72% for 2 steps) 。Mp. 82-83℃。
1H-NMR (400 MHz, CDCl3)δ3.65 (2H, t, J = 6.6 Hz, CH2OH), 2.35 (2H, t, J = 7.5 Hz, CH2CO2H), 1.67-1.53 (4H, m, CH 2CH2OH and CH 2CH2CO2Et), 1.28 {16H, br, CH2OH, COOH & (CH 2)7}。
1H-NMR (400 MHz, CDCl3)δ5.00 {2H, sep, J = 6.2 Hz, OCH(CH3)2}, 3.64 (2H, t, J = 5.9 Hz, CH 2OH), 2.29 (2H, t, J = 7.5 Hz, CH 2CO2Et), 1.68-1.53 (4H, m, CH 2CH2OH and CH 2CH2CO2Et), 1.42 (1H, br, OH),1.27 {14H, m, (CH 2)7}, 1.22 {6H, d, J = 6.2 Hz, OCH(CH 3)2}。
1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.33 (1H, s, Ar-OH), 5.00 {1H, m, CO2CH(CH3)2}, 2.66 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.25 {2H, t, J = 7.5 Hz, CH 2CO2 iPr}, 1.65-1.57 (2H, m, CH 2), 1.54-1.48 (2H, m, CH 2), 1.26 {14H, br, (CH 2)7}, 1.22 {6H, d, J = 6.2 Hz, CH(CH 3)2}. IR (KBr) 3287, 2922, 2845, 1703, 1616, 1456, 1421, 1377, 1279, 1248, 1196, 1105, 836, 631, 590 cm-1. HRMS (EI) Found: 426.2186. Calcd. for C23H35ClO5: 426.2173。
12-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)dodecanoic acid (215-13-COOH).
215-15-COOEt (101 mg, 0.246 mmol) のacetone (1.3 ml)/H2O (0.7 ml) 混合溶液に室温でNaOH (21 mg, 0.48 mmol) を加え、12時間撹拌した。反応溶液をEtOAcで希釈した後、1M HCl水溶液で酸性にし、さらにsat. aq. NaClを加え、有機層を分取した。その後、水層をEtOAcで2回抽出し、合わせた有機層をNa2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (Hexane : EtOAc = 2:1) により精製し、目的物を得た。Mp. 130-131℃。
1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.34 (1H, br, Ar-OH), 2.66 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.35 (2H, t, J = 7.3 Hz, CH 2COOH), 1.65-1.46 (4H, m, CH 2CH2COOH & ArCH2CH 2), 1.35 {14H, br, (CH 2)7}. IR (KBr) 3360, 2920, 2855, 1715, 1612, 1472, 1420, 1283, 1246, 1180, 1126, 937, 853, 785, 588 cm-1. HRMS (EI) Found: 384.1712. Calcd. for C20H29ClO5: 384.1704。
2.化合物215-13-COOEt,
1,8-Octanediol (化合物7, 5.85 g, 40.0 mmol) のCHCl3 (100 ml) 溶液にアルゴン気流下、室温でDHP (3.46 ml, 37.9 mmol) と触媒量のPPTSを加え16時間撹拌した。反応溶液にH2Oを加え5分間撹拌した後で有機層を分取し、水層をEtOAcで抽出した。合わせた有機層をsat. NaHCO3 , sat. NaCl各水溶液で洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (Hexane : EtOAc = 3:1→2:1) で精製し、対応するTHPエーテルを得た。(4.95 g, 54%)。
1H-NMR (400 MHz, CDCl3)δ9.77 (1H, t, J = 1.8 Hz, CHO), 4.57 (1H, dd, J = 2.6, 4.8 Hz, OCHO), 3.90-3.84 (1H, m, CH 2O), 3.73 (1H, td, J = 6.8, 9.6 Hz, CH 2O), 3.53-3.48 (1H, m, CH 2O), 3.38 (1H, td, J = 6.6, 9.5 Hz, CH 2O), 2.42 (2H, dt, J = 1.8, 7.5 Hz, CH 2CHO), 1.87-1.78 (1H, m, OCHCH 2), 1.75-1.68 (1H, m, OCHCH 2), 1.67-1.49 (8H, m, 4 x CH 2),1.43-1.28 (6H, m, 3 x CH 2)。
1H-NMR (500 MHz, CDCl3)δ6.96 (1H, dt, J = 7.0, 15.6 Hz, CH=CHCO2Et), 5.81 (1H, dt, J = 1.5, 15.6 Hz, CH=CHCO2Et), 4.18 (2H, q, J = 7.1 Hz, CO2CH 2CH3), 3.64 (2H, t, J = 6.5 Hz, CH2CH 2OH), 2.19 (2H, ddt, J = 1.4, 7.1, 7.6 Hz, CH 2CH=CH), 1.56 (2H, m, CH 2CH2OH), 1.46 (2H, m, CH 2CH2CH=CH), 1.37-1.31 {7H, m, (CH 2)3& OH}, 1.29 (3H, t, J = 7.1 Hz, CO2CH2CH 3)。
1H-NMR (400 MHz, CDCl3)δ9.77 (1H, s, CHO), 6.95 (1H, dt, J = 7.0, 15.8 Hz, CH=CHCO2Et), 5.81 (1H, dt, J = 1.4, 15.8 Hz, CH=CHCO2Et), 4.19 (2H, q, J = 7.2 Hz, CO2CH 2CH3), 2.43 (2H, dt, J = 1.8, 7.3 Hz, CH 2CHO), 2.20 (2H, ddt, J = 1.4, 7.0, 7.3 Hz, CH 2CH=CH), 1.66-1.60 (2H, m, CH 2CH2CHO), 1.49-1.42 (2H, m CH 2CH2CH=CH), 1.36-1.32 {4H, m (CH 2)2}, 1.29 (3H, t, J = 7.2 Hz, CO2CH2CH 3)。
1H-NMR (400 MHz, CDCl3)δ12.67 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.39 (1H, s, Ar-OH), 4.12 (2H, q, J = 7.3 Hz, CO2CH 2CH3), 2.66 (2H, t, J = 7.7 Hz, ArCH 2), 2.60 (3H, s, Ar-CH 3), 2.28 (2H, t, J = 7.3 Hz, CH 2CO2Et), 1.63-1.56 (2H, m, CH 2), 1.54-1.48 (2H, m, CH 2), 1.31-1.23 {13H, m, (CH 2)5and CO2CH2CH 3}. IR (KBr) 3452, 2922, 2853, 1736, 1637, 1468, 1421, 1377, 1327, 1286, 1248, 1175, 1119, 1084, 1018, 920, 843, 802, 726, 586 cm-1. HRMS (EI) calcd. For C20H29Cl O5: 384.1704, found 384.1687。
3.化合物200-12-COOMe,215-12-COOMe, 215-13-COOIPr, 215-11-COOH
市販のMethyl 10-hydroxydecanate (化合物11) をSwern 酸化してaldehyde (化合物12) を得た。(59% yield) 1H-NMR (400 MHz, CDCl3)δ9.76 (1H, t, J = 1.8 Hz, CHO), 3.67 (3H, s, CO2CH 3), 2.42 (2H, dt, J = 1.8, 7.3 Hz, CH 2CHO), 2.30 (2H, t, J = 7.5 Hz, CH 2CO2CH3), 1.67-1.57 (4H, m, CH 2CH2CHO & CH 2CH2CO2CH3), 1.31 {8H, br, (CH 2)4}。
1H-NMR (400 MHz, CDCl3)δ13.05 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.65 (1H, dt, J = 6.8, 16.2 Hz, ArCH=CH), 6.63 (1H, s, Ar-OH), 6.50 (1H, d, J = 16.2 Hz, ArCH=CH), 3.67 (3H, s, COOCH 3), 2.61 (3H, s, Ar-CH 3), 2.33-2.23 (4H, m, CH=CHCH 2& CH 2COOMe), 1.67-1.59 (2H, m, CH 2), 1.50-1.45 (2H, m, CH 2), 1.34 {6H, br (CH 2)3}. IR (KBr) 3375, 2928, 2853, 1728, 1605, 1452, 1408, 1366, 1315, 1286, 1232, 1136, 1107, 980, 845, 802, 615, 592 cm-1. HRMS (EI) Found: 368.1377. Calcd. for C19H25O5Cl (M+), 368.1391. Anal. Found: C, 61.97; H, 6.86; Cl, 9.37 %. Calcd. for C19H25O5Cl: C, 61.87; H, 6.83; Cl, 9.61 %。
Methyl 10-(3-chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)decanate (215-12-COOMe).
化合物200-12-COOEtを接触還元し目的物を得た (79% yield) 。Mp. 87-88℃。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.37 (1H, br, Ar-OH), 3.67 (3H, s, COOCH3), 2.66 (2H, t, J = 8.0 Hz, ArCH2), 2.60 (3H, s, Ar-CH3), 2.30 (2H, t, J = 7.7 Hz, CH 2COOCH3), 1.65-1.57 (2H, m, CH 2), 1.57-1.47 (2H, m, CH 2), 1.28 {10H, br, (CH 2)5}. IR (KBr) 3358, 2928, 2853, 1736, 1611, 1421, 1250, 1171, 1132, 777, 590 cm−1. HRMS (EI) Found: 370.1533. Calcd. for C19H27ClO5: 370.1547. Anal. Found: C, 61.41; H, 7.32; Cl, 9.43 %. Calcd. for C, 61.53; H, 7.34; Cl, 9.67 %。
Isopropyl 10-(3-chloro-2,6-dihydroxy-5-formyl-4-methylphenyl)decanate (215-13-COO I Pr).
化合物215-12-COOMe (114 mg, 0.307 mmol) の2-propanol (25 ml) 溶液にH2SO4(0.25 ml) を加え、18時間還流した。反応溶液を室温に戻した後、溶媒を留去し、残さをEtOAで2回抽出した。合わせた有機層をsat. aq. NaHCO3, sat. aq. NaClで洗い、無水Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc, 7:1) に供した後、再結晶 (hexane : EtOAc = 9:1) により精製し目的物を得た。また母液を濃縮し、残さをシリカゲルカラムクロマトグラフィー(hexane : EtOAc = 5:1) で精製し、さらに目的物を得た(Combined yield (83 mg, 68%))。Mp. 49℃。
1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.37 (1H, s, Ar-OH), 5.00 {1H, septet, J = 6.2 Hz, CO2CH(CH3)2}, 2.66 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.25 {2H, t, J = 7.5 Hz, CH 2CO2 iPr}, 1.64-1.57 (2H, m, CH 2), 1.54-1.48 (2H, m, CH 2), 1.28 {10H, br, (CH 2)5}, 1.23 {6H, d, J = 6.2 Hz, CH(CH 3)2}. IR (KBr) 3271, 2916, 2845, 1703, 1610, 1468, 1412, 1366, 1325, 1286, 1251, 1217, 1109, 826, 631, 590 cm−1. HRMS (EI) Found: 398.1841. Calcd. for C21H31ClO5: 398.1860。
10-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)decanoic acid (215-11-COOH).
化合物215-12-COOMe を前述の方法で加水分解し目的物を得た (89% yield)。Mp. 154-156℃。
1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.34 (1H, br, Ar-OH), 2.66 (2H, t, J = 7.7 Hz, ArCH 2), 2.61 (3H, s, Ar-CH 3), 2.35 (2H, t, J = 7.5 Hz, CH 2COOH), 1.67-1.47 (4H, m, CH 2CH2COOH & ArCH2CH 2), 1.35 {10H, br, (CH 2)5}. IR (KBr) 3360, 2920, 2853, 1715, 1614, 1470, 1418, 1371, 1236, 1184, 1126, 934, 847, 773, 588 cm-1. HRMS (EI) Found: 356.1408. Calcd. for C18H25ClO5: 356.1391。
4.化合物215-13-COOtBu,501-16-G,502-16-G,500-15-G
化合物215-11-COOH (144 mg, 0.403 mmol) のtoluene (5 ml) 懸濁液に0℃でTFAA (0.20 ml, 1.4 mmol) を加え、室温に戻しながら30分撹拌した。原料が完全に溶けたのを確認した後、再び0℃に冷却し、tBuOH (0.40 ml, 4.2 mmol) を加え、室温に戻しながら15時間撹拌した。反応溶液にsat. aq. NaHCO3を加え5分撹拌した後、EtOAcで2回抽出した。合わせた有機層をsat. aq. NaClで洗浄し、無水Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 7:1→4:1) で精製した後、PTLC (hexane : EtOAc = 7:1) でさらに精製し、目的物を得た (28 mg, 17%)。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.40 (1H, br, Ar-OH), 2.66 (2H, t, J = 7.5 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.20 {2H, t, J = 7.5 Hz, CH 2CO2 tBu}, 1.62-1.48 (4H, m, CH 2CH2CO2 tBu & ArCH2CH 2), 1.44 {9H, s, (CH 3)3}, 1.29 {10H, br, (CH 2)5}. IR (KBr) 3287, 2922, 2845, 1732, 1616, 1452, 1425, 1366, 1290, 1248, 1213, 1161, 1126, 934, 795, 716, 630, 590, 530 cm-1。
1,3-Dioxolane-2-oxo-4-methyl 10-(3-chloro-5-formyl-2,6-dihydroxy- 4-methylphenyl)decanate (501-16-G).
化合物215-11-COOH (184 mg, 0.516 mmol) のTHF (30 ml) 溶液に室温で2,2-dimethyl-1,3-dioxolane-4-methanol (98% purity, 0.25 ml, 2.0 mmol), DMAP (62 mg, 0.51 mmol) およびDCC (130 mg, 0.630 mmol) を加え、7時間撹拌した。反応溶液をリン酸緩衝液(pH 6.98) とEtOAcで希釈した後、セライトで濾過し、濾液の有機層を分取した。水層をEtOAcで2回抽出した後、合わせた有機層をsat. aq. NaClで洗浄し、無水Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 2:1→1:1) に供し、さらにPTLC (toluene : EtOAc = 9:1) で精製した。溶媒を留去した後、得られた粗生成物をシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 2:1→3:2) で再度精製し、目的物を得た (78 mg, 33%)。Mp. 70-72℃。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.13 (1H, s, Ar-CHO), 6.49 (1H, br, Ar-OH), 4.93 {1H, m, CO2CH2CHOC(O)OCH2}, 4.56 {1H, dd, J = 8.4, 8.8 Hz, CO2CH 2CHOC(O)OCH2}, 4.37 {1H, dd, J = 3.3, 12.6 Hz, CO2CH2CHOC(O)OCH 2}, 4.31 {1H, dd, J = 5.8, 8.8 Hz, CO2CH 2CHOC(O)OCH 2}, 4.26 {1H, dd, J = 4.2, 12.6 Hz, CO2CH2CHOC(O)OCH 2}, 2.66 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.37 {2H, t, J = 7.5 Hz, CH2CH 2C(O)O}, 1.65-1.58 (2H, m, CH 2), 1.55-1.48 (2H, m, CH 2), 1.29 {10H, br, (CH 2)5}. 13C-NMR (100 MHz, CDCl3)δ193.24, 173.27, 162.37, 156.26, 154.36, 137.27, 115.68, 113.41, 113.06, 73.75, 66.96, 62.78, 33.83, 29.41, 29.23, 29.18, 29.05, 28.94, 28.25, 24.66, 22.77, 14.40. IR (KBr) 3362, 2922, 2853, 1788, 1736, 1620, 1599, 1468, 1416, 1398, 1283, 1248, 1165, 1136, 1092, 1040, 878, 752, 586 cm-1. HRMS (EI) Found: 456.1546. Calcd. for C22H29ClO8: 456.1551。
2,2-Dimethyl-1,3-dioxolane-4-methyl 10-(3-chloro-5-formyl-2,6-dihydroxy-
4-methylphenyl)decanate (502-16-G).
同様の方法でエステル化し、目的物を得た (28% yield)。Mp. 55-56℃。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.38 (1H, br, Ar-OH), 4.32 {1H, m, CHOC(CH3)2OCH2-}, 4.17 {1H, dd, J = 4.8, 11.7 Hz, C(O)OCH 2CH}, 4.11-4.06 {2H, m, CHOC(CH3)2OCH 2- & C(O)OCH 2CH}, 3.74 {1H, dd, J = 6.2, 8.4 Hz, CHOC(CH3)2OCH 2}, 2.66 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.33 {2H, t, J = 7.7 Hz, CH2CH 2C(O)O}, 1.65-1.58 (2H, m, CH 2), 1.54-1.48 (2H, m, CH 2), 1.43 (3H, s, CH 3), 1.39 (3H, s, CH 3), 1.28 {10H, br, (CH 2)5}. 13C-NMR (100 MHz, CDCl3)δ193.26, 173.69, 162.42, 156.20, 137.24, 115.74, 113.47, 113.04, 109.81, 73.60, 66.35, 64.50, 34.10, 29.47, 29.27, 29.25, 29.14, 29.03, 28.29, 26.67, 25.38, 24.82, 22.82, 14.44. IR (KBr) 3265, 2922, 2853, 1745, 1620, 1526, 1460, 1425, 1369, 1331, 1244, 1219, 1171, 1132, 1092, 1045, 1007, 980, 932, 851, 795, 712, 625, 596, 534 cm-1. HRMS (EI) Found: 470.2047. Calcd. for C24H35ClO7: 470.2071。
1-Glyceryl 10-(3-chloro-2,6-dihydroxy-5-formyl-4-methylphenyl)decanate (500-15-G).
化合物502-16-G (77 mg, 0.16 mmol) のMeOH (5 ml) 溶液に室温でPPTS (10 mg, 40μmol) を加え50℃で20時間撹拌した。反応溶液を室温に戻した後、溶媒を留去し残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 2:1→EtOAc only)により精製し目的物を得た。(11 mg, 16%) なお、副生成物としてメチルエステル (化合物215-12-CO2Me) も10 mg (17%) 得られた。
1H-NMR (400 MHz, CDCl3)δ12.64 (1H, s, Ar-OH), 10.13 (1H, s, Ar-CHO), 6.62 (1H, br, Ar-OH), 4.21 {1H, dd, J = 4.8, 11.7 Hz, C(O)OCH 2CH(OH) CH2OH}, 4.15 {1H, dd, J = 6.2, 11.7 Hz, C(O)OCH 2CH(OH)CH2OH }, 3.94 {1H, m, C(O)OCH2CH(OH)CH2OH}, 3.71 {1H, dd, J = 3.6, 11.4 Hz, C(O)OCH2CH(OH)CH 2OH }, 3.61 {1H, dd, J = 5.9, 11.4 Hz, C(O)OCH2CH(OH)CH 2OH }, 2.98 (1H, br, OH), 2.65 (2H, t, J = 7.5 Hz, Ar-CH2), 2.60 (3H, s, Ar-CH 3), 2.35 {2H, t, J = 7.7 Hz, CH2CH 2C(O)O-}, 2.07 (1H, br, OH), 1.66-1.58 (2H, m, CH 2), 1.55-1.49 (2H, m, CH 2), 1.28 {10H, br, (CH 2)5}. IR (KBr) 3314, 2930, 2853, 1740, 1599, 1558, 1468, 1425, 1383, 1335, 1279, 1252, 1182, 1126, 1057, 928, 795, 743, 712, 625, 592, 534 cm-1. HRMS (EI) Found: 430.1783. Calcd. for C21H31ClO7: 430.1758。
5.化合物215-11-COOEt,215-9-COOH,215-18-Anthra
Aldehyde (化合物8, 1.950 g, 8.541 mmol) のMeCN (40 ml) 溶液に-15℃でNaH2PO4・2H2O (3.312 g, 21.23 mmol) のH2O (10 ml) 溶液を加え、10分攪拌した。これにH2O2 (30% in H2O, 7.8 ml, 76 mmol)、その5分後にNaClO2 (79% purity, 1.311 g, 11.45 mmol) を加え、さらに1時間撹拌した。反応溶液に20% Na2SO3水溶液を加え10分撹拌した後、1M-HClに注ぎ込んだ。これをEtOAcで3回抽出し、合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、シリカゲルカラムクロマトグラフィー (Hexane : EtOAc = 4:1→2:1) で精製し、カルボン酸 (化合物13) 得た (0.850 g, 41%)。
1H-NMR (400 MHz, CDCl3)δ4.12 (2H, q, J = 7.0 Hz, OCH 2CH3), 3.64 (2H, dd, J = 6.6, 7.3 Hz, CH 2OH), 2.29 (2H, t, J = 7.7 Hz, CH 2CO2Et), 1.66-1.53 (5H, m, CH 2CH2OH, CH 2CH2CO2Et, and OH), 1.34 {6H, m, (CH 2)3}, 1.26 (3H, t, J = 7.0 Hz, OCH2CH 3)。
1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.34 (1H, s, Ar-OH), 4.11 (2H, q, J = 7.3 Hz, CO2CH 2CH3), 2.66 (2H, t, J = 7.5 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.28 (2H, t, J = 7.3 Hz, CH 2CO2Et) 1.65-1.49 (4H, m, ArCH2CH 2 & CH 2CH2CO2Et), 1.34 {6H, br, (CH 2)3} 1.26 (3H, t, J = 7.3 Hz, CO2CH2CH 2). IR (KBr) 3321, 2930, 2847, 1728, 1612, 1421, 1285, 1244, 1140, 783, 590 cm-1. HRMS (EI) Found: 356.1381. Calcd. for C18H25ClO5: 356.1391。
8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)octanoic acid (215-9-COOH).
化合物215-11-COOEtを前述の方法で加水分解し、目的物を得た (66% yield) 。Mp. 149-150℃。
1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.33 (1H, br, Ar-OH), 2.66 (2H, t, J = 7.7 Hz, ArCH 2), 2.61 (3H, s, Ar-CH 3), 2.35 (2H, t, J = 7.7 Hz, CH 2COOH), 1.68-1.48 (4H, m, CH 2CH2COOH & ArCH2CH 2), 1.35 {6H, br, (CH 2)3}. IR (KBr) 3350, 2930, 2850, 1710, 1620, 1420, 1370, 1280, 1245, 1135, 1120, 940, 775, 590 cm-1. HRMS (EI) Found: 328.1057. Calcd. for C16H21ClO5: 328.1078。
9-Anthryl 8-(3-chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)octanate (215-18-Anthra).
215-9-COOHを前述の方法によりエステル化し、目的物を得た (53% yield) 。Mp. 150-151℃。
1H-NMR (400 MHz, CDCl3)δ12.64 (1H, s, Ar-OH), 10.13 (1H, s, Ar-CHO), 8.51 (1H, s, Ar-H), 8.33 (2H, d, J = 8.8 Hz, Ar-H), 8.03 (2H, d, J= 8.4 Hz, Ar-H), 7.57 (2H, t, J = 7.7 Hz, Ar-H), 7.49 (2H, t, J= 7.4 Hz, Ar-H), 6.29 (1H, s, Ar-OH), 6.15 (2H, s, CO2CH 2Ar), 2.62 (2H, t, J = 7.3 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.32 {2H, t, J = 7.5 Hz, CH 2CO2CH2Ar}, 1.62-1.55 (2H, m, CH 2), 1.50-1.42 (2H, m, CH 2), 1.27 {6H, br, (CH 2)3}. IR (KBr) 3356, 2916, 2853, 1717, 1634, 1468, 1421, 1391, 1373, 1296, 1252, 1182, 1126, 1094, 949, 889, 795, 733, 638, 590 cm-1. HRMS (EI) Found: 518.1859. Calcd. for C31H31ClO5: 518.1860。
6.化合物217,224,既知天然物コレトリンB(化合物216),既知天然物コレトクロリンB,既知天然物LL-Z1272α(化合物280-12)
Resorcinol 誘導体(1.0 eq.) のKOH (1.0 M in MeOH, 1.5 eq. ) 溶液に、冷却下(-40〜0℃)、対応する側鎖bromide (1.2 eq) のMeOH溶液とCaCl2・2H2O (0.75 eq.) を加え、撹拌した (8〜24 h)。反応溶液をEtOAcで希釈し、セライトで濾過した後、濾液を0.1M KOH 水溶液に注ぎ、有機層を分取した。さらに水層をEtOAcで2回抽出した後、合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残渣をシリカゲルカラムクロマトグラフィーもしくは再結晶で精製し、対応するアルキル化体を得た。なお、水層は2M aq. HClで酸性にし、これをEtOAcで2回抽出して、未反応のResorcinol 誘導体を回収した。
芳香環部分をクロル化する典型的実験方法
Resorcinol 誘導体(1.0 eq.) の酢酸溶液に、室温でNCS (1.1 eq) を加え、加熱 (80〜100℃)、撹拌した (14〜24 h)。反応溶液を室温に戻してからH2Oに注ぎ、EtOAcで抽出した。さらに水層をEtOAcで抽出した後、合わせた有機層をsat. aq. NaHCO3で3回、sat. aq. NaClで1回洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィーもしくは再結晶で精製し、対応する塩素置換体を得た。
(E)-2,4-Dihydroxy-3-(3,7-dimethyl-2,6-octadienyl)benzaldehyde (化合物217).
Mp 85℃. 1H-NMR (400 MHz, CDCl3)δ11.79 (1H, s, Ar-OH), 9.69 (1H, s, Ar-CHO), 7.32 (1H, d, J = 8.6 Hz, Ar-H), 6.48 (1H, d, J= 8.6 Hz, Ar-H), 6.21 (1H, s, Ar-OH), 5.27 (1H, t, J = 7.0 Hz, ArCH2CH=C), 5.05 {1H, m, CH=C(CH3)2}, 3.45 (2H, d, J = 7.0 Hz, ArCH 2), 2.16-2.05 (4H, m, CH 2CH 2), 1.82 (3H, s CH 3), 1.68 (3H, s CH 3). IR (KBr) 3145, 2922, 1620, 1487, 1443, 1383, 1313, 1248, 1213, 1150, 1059, 787, 718, 642, 530 cm-1. Anal. Found: C, 74.41; H, 8.14 %. Calcd for C17H22O3: C, 74.42; H, 8.08 %。
(E)-5-Chloro-2,4-dihydroxy-3-(3,7-dimethyl-2,6-octadienyl)benzaldehyde (化合物224).
Mp 94-95℃. 1H-NMR (500 MHz, CDCl3)δ11.53 (1H, s, Ar-OH), 9.67 (1H, s, Ar-CHO), 7.40 (1H, s, Ar-H), 6.33 (1H, s, Ar-OH), 5.23 {1H, t, J = 7.3 Hz, ArCH2CH=C), 5.05 {1H, t, J = 7.0 Hz, CH=C(CH3)2}, 3.44 (2H, d, J = 7.3 Hz, ArCH 2CH), 2.10-2.04 (2H, m, CH 2), 2.02-1.98 (2H, m, CH 2), 1.80 (3H, s, CH 3), 1.65 (3H, s, CH3), 1.57 (3H, s, CH 3). IR (KBr) 3231, 2916, 1628, 1576, 1464, 1425, 1387, 1331, 1275, 1240. 1202, 1157, 1088, 912, 876, 750, 715, 604 cm-1. HRMS (MI) Found: 308.1173. Calcd for C17H21O3Cl: 308.1179。
(E)-2,4-Dihydroxy-3-(3,7-dimethyl-2,6-octadienyl)-6-methylbenzaldehyde (化合物216, 既知天然物コレトリンB Colletorin B).
Mp 120-121℃. 1H-NMR (500 MHz, CDCl3)δ12.78 (1H, s, Ar-OH), 10.08 (1H, s, Ar-CHO), 6.21 (1H, s, Ar-H), 6.15 (1H, s, Ar-OH), 5.26 (1H, t, J = 7.1 Hz, ArCH2CH=C), 5.04 {1H, t, J = 6.8 Hz, CH=C(CH3)2}, 3.41 (2H, d, J = 7.1 Hz, ArCH 2CH), 2.50 (3H, s, Ar-CH 3), 2.14-2.05 (4H, m, CH 2CH 2), 1.81 (3H, s, CH 3), 1.68 (3H, s, CH 3), 1.59 (3H, s, CH 3). IR (KBr) 3132, 2908, 1610, 1491, 1435, 1327, 1254, 1217, 1171, 1101, 1003, 829, 750, 644, 569 cm-1。
(E)-3-Chloro-4,6-dihydroxy -5-(3,7-dimethyl-2,6-octadienyl)-2-methylbenzaldehyde (既知天然物コレトクロリンB,Colletochlorin B).
収率44%。 1H-NMR (500 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.42 (1H, s, Ar-OH), 5.22 (1H, t, J = 6.9 Hz, ArCH2CH=C), 5.06 {1H, t, J = 6.6 Hz, CH=C(CH3)2}, 3.40 (2H, d, J = 6.9 Hz, ArCH 2CH), 2.61 (3H, s, Ar-CH 3), 2.08-2.03 (2H, m, CH 2), 2.01-1.96 (2H, m, CH 2),1.78 (3H, s, CH 3), 1.64 (3H, s, CH 3), 1.56 (3H, s, CH 3)。
(E,E)-3-Chloro-4,6-dihydroxy 5-(3,7,11-trimethyl-2,6,10-dodecatienyl)-2-methylbenzaldehyde (化合物280-12,既知天然物LL-Z1272α).
Mp 72-73℃. 1H-NMR (400 MHz, CDCl3) δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.41 (1H, s, Ar-OH), 5.22 (1H, t, J = 7.3 Hz, ArCH2CH=C), 5.06 (2H, t, J = 7.0 Hz, 2 x CH=C), 3.40 (2H, d, J= 7.4 Hz, ArCH 2CH), 2.60 (3H, s, Ar-CH 3), 2.07 (2H, t, J = 7.3 Hz, CH 2), 1.99 (4H, t, J = 7.3 Hz, 2 x CH 2), 1.92 (2H, t, J = 7.5 Hz, CH 2), 1.79 (3H, s, CH 3), 1.64 (3H, s, CH 3), 1.58 (3H, s, CH 3), 1.56 (3H, s, CH 3). IR (KBr) 3256, 2967, 2913, 2853, 1613, 1452, 1424, 1373, 1281, 1229, 1163, 1109, 961, 905, 876, 786, 713, 633, 592, 569 cm-1。
7.化合物161,157,146,152
Mp 62℃. 1H-NMR (400 MHz, CDCl3)δ11.31 (1H, s, Ar-OH), 7.63 (1H, d, J = 8.6 Hz, Ar-H), 6.37 (1H, d, J = 8.6 Hz, Ar-H), 5.93 (1H, s, Ar-OH), 5.27 (1H, t, J = 7.0 Hz, ArCH2CH=C), 5.05 {1H, m, CH=C(CH3)2}, 3.91 (1H, s, CO2CH -3), 3.46 (2H, d, J = 7.0 Hz, ArCH 2), 2.14-2.04 (4H, m, CH 2CH 2), 1.82 (3H, s CH 3), 1.67 (3H, s CH 3), 1.59 (3H, s CH 3). IR (KBr) 3462, 2916, 1645, 1498, 1439, 1387, 1344, 1296, 1201, 1147, 1049, 783, 731, 631, 561 cm-1. Anal. Found: C, 70.74 ; H, 7.70 %. Calcd for C18H24O4: C, 71.03; H, 7.95 %。
Methyl 5-chloro-2,4-dihydroxybenzoate (化合物20).
39% yield. 1H-NMR (400 MHz, CDCl3)δ10.84 (1H, s, Ar-OH), 7.83 (1H, s, Ar-H), 6.62 (1H, s, Ar-H), 5.92 (1H, br, Ar-OH), 3.93 (3H, s, CO2CH 3)。
Methyl (E)-5-Chloro-3-(3,7-dimethyl-2,6-octadienyl)-2,4-dihydroxybenozte (化合物157).
Mp 71℃. 1H-NMR (400 MHz, CDCl3)δ11.11 (1H, s, Ar-OH), 7.72 (1H, s, Ar-H), 6.10 (1H, s, Ar-OH), 5.23 (1H, t, J = 7.2 Hz, ArCH2CH=C), 5.06 {1H, m, CH=C(CH3)2}, 3.92 (3H, s, CO2CH 3), 3.43 (2H, d, J = 7.2 Hz, Ar-CH 2), 2.10-2.00 (2H, m, CH 2), 2.01-1.95 (2H, m, CH 2 ), 1.80 (3H, s, CH 3), 1.65 (3H, s, CH 3), 1.57 (3H, s, CH 3). HRMS (EI) Found: 338.1277. Calcd. for C18H23O4Cl: M+, 338.1285。
Methyl 2,4-dihydroxy-6-methylbenzoate (化合物21).
対応するベンズアルデヒド (化合物18) から酸化、エステル化の工程を経て調整した (52% from 18)(詳細な実験操作は下記化合物113を参照)。
1H NMR (400 MHz, CDCl3)δ11.78 (1H, s, Ar-OH), 6.28 (1H, d, J = 2.6 Hz, Ar-H), 6.23 (1H, d, J= 2.6 Hz, Ar-H), 5.25 (1H, br, Ar-OH), 3.93 (3H, s, CO2CH3), 2.49 (3H, s, Ar-CH 3)。
Methyl (E)-3-(3,7-Dimethyl-2,6-octadienyl)-2,4-dihydroxy-6-methylbenozte (化合物146).
Mp 46-47℃. 1H-NMR (400 MHz, CDCl3)δ12.12 (1H, s, Ar-OH), 6.23 (1H, s, Ar-H), 5.84 (1H, s, Ar-OH), 5.23 (1H, t, J = 7.1 Hz, ArCH2CH=C), 5.06 {1H, m, CH=C(CH3)2}, 3.92 (3H, s, CO2CH 3), 3.43 (2H, d, J = 7.0 Hz, Ar-CH 2), 2.15-2.04 (4H, m, CH 2CH 2), 1.81 (3H, s, CH 3), 1.67 (3H, s, CH 3 ), 1.59 (3H, s, CH 3). IR (KBr) 3391, 2922, 2853, 1651, 1620, 1499, 1447, 1412, 1383, 1321, 1273, 1200, 1157, 1092, 1011, 984, 920, 878, 833, 812, 746, 718, 625, 604, 579 cm -1。
Methyl 3-chloro-4,6-dihydroxy-2-methylbenzoate (113).
化合物112 (0.505 g, 2.706 mmol) のDMSO (10 ml) 溶液にH2O (5 ml) を加え、0℃に冷却した。ついでNaH2PO4・2H2O (1.113 g, 7.134 mmol)、5分後にNaClO2 (79% purity 0.719 g, 6.28 mmol) をそれぞれ固体のまま加え、徐々に室温に戻しながら15時間撹拌した。反応溶液をEtOAcで希釈した後、sat. aq. NaHCO3を加え、分取した有機層に再度sat. aq. NaHCO3を加え分画した。合わせた水層を2M aq. HCl水溶液で酸性にし、これをEtOAcで3回抽出した。合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc : 2:1→1:2) に負荷した後、hexane : EtOAc = 3:1 の混合溶媒から再結晶し、対応するカルボン酸を得た(0.410 g, 76%)。
1H-NMR (400 MHz, CDCl3)δ11.42 (1H, s, Ar-OH), 6.54 (1H, s, Ar-H), 6.06 (1H, s, Ar-OH), 3.95 (3H, s, CO2CH 3), 2.63 (3H, s, Ar-H)。
Methyl (E)-3-Chloro-4,6-dihydroxy-5-(3,7-dimethyl-2,6-octadienyl)-2-methylabenozte (化合物152).
1H-NMR (500 MHz, CDCl3)δ11.65 (1H, s, Ar-OH), 6.20 (1H, s, Ar-OH), 5.23 (1H, t, J = 7.1 Hz, ArCH2CH=C), 5.06 {1H, t, J = 6.9 Hz, CH=C(CH3)2}, 3.94 (3H, s, CO2CH 3), 3.44 (2H, d, J = 7.1 Hz, ArCH 2CH), 2.59 (3H, s, Ar-CH 3), 2.09-2.03 (2H, m, CH 2), 2.00-1.96 (2H, m, CH 2), 1.79 (3H, s, CH 3), 1.65 (3H, s, CH 3), 1.57 (3H, s, CH 3). IR (KBr) 3508, 2935, 1655, 1603, 1464, 1439, 1415, 1383, 1313, 1292, 1258. 1202, 1196, 1161, 1088, 978, 799, 700 cm-1. HRMS (MI) Found: m/z, 338.1277. Calcd for C18H23O4Cl: M+, 338.1285。
8.化合物184,177,183,173,282-12
Mp 134-135℃. 1H-NMR (400 MHz, CDCl3)δ13.13 (1H, s, Ar-OH), 7.54 (1H, d, J = 8.8 Hz, Ar-H), 6.39 (1H, d, J= 8.8 Hz, Ar-H), 6.11 (1H, s, Ar-OH), 5.27 (1H, t, J = 7.0 Hz, ArCH2CH=C), 5.05 {1H, m, CH2CH=C(CH3)2}, 3.46 (2H, d, J = 7.0 Hz, ArCH 2), 2.57 (3H, s, CH 3C=O), 2.15-2.05 (4H, m, CH 2CH 2), 1.82 (3H, s, CH 3), 1.68 (3H, s, CH 3), 1.59 (3H, s, CH 3). IR (KBr) 3161, 2964, 2916, 1624, 1589, 1499, 1456, 1379, 1317, 1279, 1223, 1163, 1055, 791, 721, 613, 567 cm-1。
5-Chloro-2,4-dihydroxyacetophenone (化合物23).
66% yield. 1H-NMR (400 MHz, CDCl3)δ12.48 (1H, s, Ar-OH), 7.71 (1H, s, Ar-H), 6.60 (1H, s, Ar-H), 6.16 (1H, s, Ar-OH), 2.57 (3H, s, ArCOCH 3)。
(E)-5-Chloro-3-(3,7-dimethyl-2,6-octadienyl)-2,4-dihydroxyacetophenone (化合物177).
Mp 109-110℃. 1H-NMR (500 MHz, CDCl3)δ12.83 (1H, s, Ar-OH), 7.60 (1H, s, Ar-H), 6.21 (1H, s, Ar-OH), 5.23 (1H, t, J = 7.1 Hz, ArCH2CH=C), 5.05 {1H, t, J = 7.7 Hz, CH=C(CH3)2}, 3.43 (2H, d, J = 7.1 Hz, ArCH 2), 2.56 (3H, s, CH3C=O), 2.09-2.04 (2H, m, CH 2), 2.00-1.97 (2H, m, CH 2), 1.79 (3H, s, CH 3), 1.65 (3H, s, CH 3), 1.57 (3H, s, CH 3). IR (KBr) 3271, 2921, 1628, 1469, 1425, 1373, 1300, 1240, 1209, 1163, 1062, 907, 787 cm-1. HRMS (MI) Found: m/z, 322.1353. Calcd for C18H23O3Cl: M+, 322.1336。
3-Chloro-4,6-dihyddoroxy-2-methylacetophenone (化合物111).
Orcinol (1.269 g, 10.22 mmol) のAcOH (4.0 ml, 70 mmol) 溶液に室温でBF3・OEt2 (2.6 ml, 21 mmol) を加え、80℃で18時間加熱、攪拌した。反応溶液を室温に戻した後、EtOAcで希釈し、H2Oに注ぎ込んだ。有機層を分取後、水層をEtOAcで抽出した。合わせた有機層をsat. aq. NaHCO3で3回、sat. aq. NaClで1回洗い、Na2SO4で乾燥させた。溶媒を留去後に析出した粗結晶をhexane : EtOAc = 1:3の混合溶媒から再結晶し、C-アセチル化体 (化合物25) を得た。母液は濃縮し、シリカゲルカラムクロマトグラフィー (hexane : EtOAc = 3:2) により化合物25の含まれる画分のみを集め、これを再度同じ溶媒を用いて再結晶することにより精製した (Combined yield 65%)。
1H-NMR (400 MHz, CDCl3)δ13.44 (1H, s, Ar-OH), 6.26 (1H, d, J = 2.6 Hz, Ar-H), 6.24 (1H, d, J= 2.6 Hz Ar-H), 5.43 (1H, s, Ar-OH), 2.63 (3H, s, Ar-CH 3), 2.56 (3H, s, ArCOCH 3)。
(E)-3-(3,7-Dimethyl-2,6-octadienyl)-2,4-dihydroxy-6-methylacetophenone (化合物183).
Mp 102℃. 1H-NMR (500 MHz, CDCl3)δ13.91 (1H, s, Ar-OH), 6.23 (1H, s, Ar-H), 5.98 (1H, s, Ar-OH), 5.27 (1H, t, J = 6.8 Hz, ArCH2CH=C), 5.05 {1H, t , J = 6.2 Hz, CH=C(CH3)2}, 3.43 (2H, d, J = 7.1 Hz, Ar-CH 2), 2.62 (3H, s, Ar-CH 3), 2.53 (3H, s, CH 3C=O), 2.14-2.04 (4H, m, CH 2CH 2), 1.84 (3H, s, CH 3), 1.68 (3H, s, CH 3), 1.59 (3H, s, CH 3). IR (KBr) 3175, 2964, 2922, 1568, 1439, 1362, 1258, 1223, 1171, 1094, 1011, 986, 829, 791, 608, 575 cm-1. Anal. found: C, 75.22; H, 8.69 %. Calcd. for C19H26O3: C, 75.46; H, 8.67 %。
(E)-3-Chloro-4,6-dihydroxy-5-(3,7-dimethyl-2,6-octadienyl)-2-methylacetophenone (化合物173).
Mp 57-58℃; 1H-NMR (400 MHz, CDCl3)δ12.56 (1H, s, Ar-OH), 6.25 (1H, s, Ar-OH), 5.23 (1H, t, J = 7.1 Hz, ArCH2CH=C), 5.06 {1H, t , J = 6.7 Hz, CH=C(CH3)2}, 3.41 (2H, d, J = 7.0 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.58 (3H, s, CH 3C=O), 2.10-2.03 (2H, m, CH 2), 2.01-1.95 (2H, m, CH 2), 1.79 (3H, s, CH 3), 1.65 (3H, s, CH 3), 1.57 (3H, s, CH 3). IR (KBr) 3460, 2922, 2866, 1595, 1468, 1421, 1381, 1360, 1275, 1236, 1209, 1175, 1094, 993, 916, 826, 785, 638, 621, 600 cm-1. Anal. found: C, 67.80; H, 7.59 %. Calcd. for C19H25ClO3: C, 67.75; H, 7.48 %. (サンプル少量のためClは測定できなかった)。
(E,E)-3-Chloro-4,6-dihydroxy 5-(3,7,11-trimethyl-2,6,10-dodecatienyl)-2-methylacetophenone (化合物282-12).
Mp 92-93℃. 1H-NMR (400 MHz, CDCl3)δ12.55 (1H, s, Ar-OH), 6.23 (1H, s, Ar-OH), 5.23 (1H, t, J = 7.2 Hz, ArCH2CH=C), 5.06 (2H, t, J = 6.6 Hz, 2 x CH=C), 3.41 (2H, d, J= 7.4 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.58 (3H, s, Ar-COCH 3), 2.07 (2H, t, J = 7.3 Hz, CH 2), 2.01-1.96 (4H, m, 2 x CH 2), 1.93 (2H, t, J = 7.5 Hz, CH 2), 1.79 (3H, s, CH 3), 1.67 (3H, s, CH 3), 1.58 (3H, s, CH 3), 1.57 (3H, s, CH 3). IR (KBr) 3362, 2970, 2926, 2864, 1601, 1468, 1412, 1375, 1360, 1277, 1242, 1198, 1148, 1092, 1018, 991, 924, 887, 766, 617, 598, 556 cm-1. Anal. Found: C, 70.90; H, 8.16; Cl, 8.77 %. Calcd for C24H33ClO3: C, 71.18; H, 8.21; Cl, 8.75 %。
9.化合物200-11-OPiv,215-11-OPiv,200-12-OPiv,215-12-OPiv,200-13-OPiv,215-13-OPiv,200-12-OCOIPr,215-12-OCOIPr,215-13-OCOIPr,215-12-OCOEt,200-13-OCOEt,215-13-OCOEt
1,7-Heptanediol (化合物26-1, 0.28 ml, 2.0 mmol) のCH3Cl (2 ml) 溶液に0℃でPiv-Cl (0.12 ml, 1.0 mmol), pyridine (0.03 ml, 0.4 mmol) を加え、1日攪拌した。反応溶液にH2Oを加えた後、有機層を分取し、水層をEtOAcで抽出した。合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残渣をシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 3 :1) で精製し、7-hydroxyheptyl pivalateを得た (147 mg, 68%)。
1H-NMR (500 MHz, CDCl3)δ9.77 (1H, t, J = 1.7 Hz, CHO), 4.05 (2H, t, J= 6.5 Hz, CH 2OPiv), 2.44 (2H, dt, J = 1.8, 7.3 Hz, CH 2CHO), 1.68-1.61 (4H, m, CH 2CH2CHO & CH 2CH2OPiv), 1.39-1.35 (4H, m, CH 2CH 2), 1.19 {9H, s, C(CH 3)3}. IR (neat) 2941, 2860, 1728, 1477, 1286, 1159 cm-1。
(E)-7-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-6-heptenyl pivalate (化合物200-11-OPiv).
側鎖前駆体27-1 (162 mg, 0.75 mmol) のMeOH (1.3 ml) 溶液に化合物112 (118 mg, 0.63 mmol), CaCl2 2H2O (63 mg, 0.44 mmol) を加え0℃に冷却した。これにKOH (1.0 M in MeOH, 0.9 ml, 0.9 mmol) を加え、同温で1日攪拌した。反応溶液に1M aq. HClを加えた後、EtOAcで3回抽出した。合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残渣をシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 10:1) に供し、アルドール生成物を得た(126 mg) 。そしてこれ以上の精製を行わず、次の反応に用いた。
Mp 57-58℃. 1H-NMR (500 MHz, CDCl3)δ13.06 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.66 (1H, dt, J = 6.9, 16.3 Hz, ArCH=CH), 6.58 (1H, s, Ar-OH), 6.54 (1H, d, J = 16.3 Hz, ArCH=CH), 4.06 (2H, t, J= 6.7 Hz, CH 2OPiv), 2.62 (3H, s, Ar-CH 3), 2.28 (2H, q, J = 7.1 Hz, CH=CHCH 2), 1.69-1.64 (2H, m, CH 2), 1.54-1.50 (2H, m, CH 2), 1.46-1.41 (2H, m, CH 2), 1.19 {9H, s, C(CH 3)3}. IR (neat) 3387, 2930, 2885, 1726, 1634, 1462, 1426, 1375, 1285, 1256, 1161, 1028, 980, 816, 754 cm-1. Anal. Found: C, 62.71; H, 7.05; Cl, 9.25 %. Calcd for C20H27O5Cl: C, 62.74; H, 7.11; Cl, 9.26 %。
7-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)heptyl pivalate (化合物215-11-OPiv).
200-11-OPiv (70 mg, 0.18 mmol) のEtOH (2 ml) 溶液に0℃で触媒量のPd-Cを加え、H2下で80分攪拌した。反応溶液をシリカゲルで濾過し、濾液を濃縮後、PTLC (Hexane : EtOAc = 3:1) で精製し、目的物を得た (34 mg, 49%)。
Mp 63-64℃. 1H-NMR (500 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.31 (1H, br, Ar-OH), 4.04 (2H, t, J = 6.6 Hz, CH 2OPiv), 2.67 (2H, t, J = 7.7 Hz, ArCH 2), 2.61 (3H, s, Ar-CH 3), 1.64-1.59 (2H, m, CH 2), 1.56-1.50 (2H, m, CH 2), 1.36 {6H, br, (CH 2)3}, 1.19 {9H, s, C(CH 3)3}. IR (KBr) 3435, 2920, 2848,1730, 1637, 1458, 1425,1366, 1277, 1161, 1048, 848, 800, 760 cm-1. Anal. Found: C, 62.19; H, 7.57 %. Calcd. for C20H29O5Cl: C, 62.41; H, 7.59 %。
(E)-8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-7-octenyl pivalate (化合物200-12-OPiv).
Mp 57-58℃. 1H-NMR (400 MHz, CDCl3)δ13.07 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.51-6.69 (2H, m, CH=CH), 4.06 (2H, t, J = 7.0 Hz, CH 2OPiv), 2.62 (3H, s, Ar-CH 3), 2.27 (2H, q, J = 6.6 Hz, CH=CHCH 2), 1.64-1.52 (4H, m, 2 x CH 2), 1.39 (4H, br, 2 x CH 2),1.20 {9H, s, C(CH 3)3}. IR (KBr) 3244, 2937, 1718, 1616, 1414, 1288, 1232, 978, 795, 596 cm-1。
8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)octyl pivalate (化合物215-12-OPiv).
Mp 70-71℃. 1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.34 (1H, br, Ar-OH), 4.04 (2H, t, J = 6.4 Hz, CH 2OPiv), 2.66 (2H, t, J = 7.2 Hz, ArCH 2), 2.61 (3H, s, Ar-CH 3), 1.65-1.58 (2H, m, CH 2), 1.55-1.48 (2H, m, CH 2), 1.35 {8H, m, (CH 2)4}, 1.20 {9H, s, C(CH 3)3}. IR (KBr) 3350, 2930, 2858, 1724, 1612, 1421, 1362, 1248, 1159, 800, 714, 590 cm-1. HRMS (EI) Found: 398.1890. Calcd. for C21H31ClO5: 398.1860。
(E)-9-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-8-nonenyl pivalate (化合物200-13-OPiv).
Mp 69-70℃. 1H-NMR (400 MHz, CDCl3)δ13.06 (1H, s, Ar-OH), 10.15 (1H, s, ArCHO), 6.65 (1H, dt, J = 6.8, 16.0 Hz, ArCH=CH 2), 6.61 (1H, br, Ar-OH), 6.52 (1H, d, J = 16.0 Hz, ArCH=CH2), 4.05 (2H, t, J = 6.8 Hz, CH 2OPiv), 2.62 (3H, s, Ar-CH 3), 2.27 ( 2H, q, J = 6.8 Hz, CH=CH2CH 2), 1.67-1.58 (2H, m, CH 2), 1.53-1.45 (2H, m, CH 2), 1.36 {6H, br, (CH 2)3}, 1.20 {9H, s, C(CH 3)3}. IR (KBr) 2943, 2860, 1724, 1628, 1460, 1391, 1377, 1286, 1161, 1028, 976, 941, 885, 808, 716, 590 cm-1. HRMS (EI) Found: 410.1849. Calcd. for C22H31ClO5: 410.1860。
9-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)nonyl pivalate (化合物215-13-OPiv).
Mp 62℃. 1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.33 (1H, br, Ar-OH), 4.04 (2H, t, J = 6.6 Hz, CH 2OPiv), 2.66 (2H, t, J = 7.9 Hz, ArCH 2), 2.61 (3H, s, Ar-CH 3), 1.64-1.57 (2H, m, CH 2), 1.54-1.48 (2H, m, CH 2), 1.30 {10H, br, (CH 2)5}, 1.19 {9H, s, C(CH 3)3}. IR (KBr) 3377, 2916, 2853, 1732, 1614, 1481, 1421, 1366, 1283, 1240, 1145, 1126, 1032, 843, 785, 621, 586 cm−1. HRMS (EI) Found: 412.2043. Calcd. for C22H33ClO5: 412.2017。
(E)-8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-7-octenyl isobutylate (化合物200-12-OCO I Pr).
Mp 73℃. 1H-NMR (400 MHz, CDCl3)δ13.06 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.64 (1H, dt, J = 6.8, 16.1 Hz, ArCH=CH 2), 6.60 (1H, br, Ar-OH), 6.53 (1H, d, J = 16.1 Hz, ArCH=CH2), 4.06 {2H, t, J = 6.8 Hz, CH 2OC(O)iPr}, 2.62 (3H, s, Ar-CH 3), 2.58-2.51 {1H, m, CH(CH 3)2 }, 2.27 ( 2H, q, J = 6.8 Hz, CH=CH2CH 2), 1.68-1.60 (2H, m, CH 2), 1.53-1.47 (2H, m, CH 2), 1.42-1.35 {4H, m, (CH 2)2}, 1.16 {6H, d, J = 7.0 Hz, CH(CH 3)2}. IR (KBr) 3206, 2972, 2928, 2855, 1732, 1618, 1456, 1414, 1283, 1204, 1163, 1132, 978, 793, 592 cm-1. Anal. Found: C, 63.03; H, 7.16; Cl, 9.22 %. Calcd. for C20H27ClO5: C, 62.74; H, 7.11; Cl, 9.26 %.。
8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)octyl isobutylate (化合物215-12-OCO I Pr).
Mp 65℃. 1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.33 (1H, br, Ar-OH), 4.05 {2H, t, J = 6.8 Hz, CH 2OC(O)iPr}, 2.66 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.57-2.50 {1H, m, CH(CH 3)2 }, 1.65-1.58 (2H, m, CH 2), 1.54-1.48 (2H, m, CH 2), 1.33 {8H, br, (CH 2)4}, 1.16 {6H, d, J = 7.0 Hz, CH(CH 3)2}. IR (KBr) 3335, 2930, 2853, 2363, 1728, 1628, 1464, 1421, 1240, 1136, 791, 586. Anal. Found: C, 62.59; H, 7.62; Cl, 9.01 %. Calcd. for C20H29ClO5: C, 62.41; H, 7.59; Cl, 9.21%。
9-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)nonyl isobutylate (化合物215-13-OCO I Pr).
Mp 55-56℃. 1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.33 (1H, s, Ar-OH), 4.05 {2H, t, J = 6.8 Hz, CH2OC(O)iPr}, 2.66 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3 ), 2.58-2.51 {1H, m, CH(CH 3)2 }, 1.65-1.58 (2H, m, CH 2), 1.54-1.48 (2H, m, CH 2), 1.33 {10H, br, (CH 2)5}, 1.16 {6H, d, J = 7.0 Hz, CH(CH 3)2}. IR (KBr) 3364, 2964, 2930, 2860, 1736, 1620, 1470, 1418, 1373, 1283, 1240, 1198, 1153, 1124, 787, 592 cm-1. Anal. Found: C, 63.41; H, 7.82; Cl, 8.71 %. Calcd for C21H31ClO5: C, 63.23; H, 7.83; Cl, 8.89%。
8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)octyl propionate (化合物215-12-OCOEt).
Mp 63-64℃. 1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.33 (1H, br, Ar-OH), 4.06 {2H, t, J = 6.4 Hz, CH 2OC(O)Et}, 2.67 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.32 {2H, q, J = 7.5 Hz, C(O)CH 2CH3}, 1.67-1.48 (4H, m, 2 x CH 2), 1.33 {8H, br, (CH 2)4}, 1.14 {3H, t, J = 7.5 Hz, C(O)CH2CH 3}. IR (KBr) 3335, 2935, 2839, 1729, 1632, 1470, 1418, 1369, 1286, 1261, 1213, 1128, 1088, 812, 627, 590 cm-1. HRMS (EI) Found: 370.1546. Calcd. for C19H27ClO5: 370.1547。
(E)-9-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-8-nonenyl propionate (化合物200-13-OCOEt).
Mp 72-73℃. 1H-NMR (400 MHz, CDCl3)δ13.05 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.65 (1H, dt, J = 6.8, 16.1 Hz, ArCH=CH 2), 6.60 (1H, br, Ar-OH), 6.53 (1H, d, J = 16.1 Hz, ArCH=CH2), 4.07 {2H, t, J = 6.8 Hz, CH 2OC(O)Et}, 2.62 (3H, s, Ar-CH 3), 2.32 {2H, q, J = 7.5 Hz, C(O)CH 2CH3}, 2.27 (2H, q, J = 6.8 Hz, CH=CH2CH 2), 1.66-1.58 (2H, m, CH 2), 1.52-1.46 (2H, m, CH 2), 1.36 {6H, br, (CH 2)3}, 1.14 (3H, t, J = 7.5 Hz, CH2CH 3). IR (KBr) 3385, 2916, 2847, 1728, 1624, 1582, 1456, 1425, 1352, 1261, 1194, 1132, 1111, 1084, 964, 829, 791, 683, 592 cm-1。
9-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)nonyl propionate (化合物215-13-OCOEt).
Mp 69-70℃. 1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.33 (1H, s, Ar-OH), 4.06 {2H, t, J = 6.9 Hz, CH 2OC(O)Et}, 2.66 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.31 {2H, q, J = 7.7 Hz, C(O)CH 2CH3}, 1.67-1.48 (4H, m, 2 x CH 2), 1.30 {10H, br, (CH 2)5}, 1.14 {3H, t, J = 7.7 Hz, C(O)CH2CH 3}. IR (KBr) 3352, 2926, 2853, 1742, 1614, 1421, 1369, 1285, 1238, 1184, 1124, 1082, 783, 627, 586 cm-1. Anal. Found: C, 62.40; H, 7.45; Cl, 9.09 %. Calcd for C20H29ClO5: C, 62.41; H, 7.59; Cl, 9.21 %。
10.化合物143-12-OPiv,178-11-OPiv,172-11-OPiv,193-11-Opiv。
前述のScheme 9と同様の方法に従って、エステル型の芳香環原料113から合成した。
1H-NMR (400 MHz, CDCl3)δ11.63 (1H, s, Ar-OH), 6.14 (1H, br, Ar-OH), 4.04 (2H, t, J = 6.6 Hz, CH2OPiv), 3.94 (3H, s, CO2CH 3), 2.68 (2H, t, J = 7.7 Hz, ArCH 2), 2.59 (3H, s, Ar-CH 3), 1.65-1.49 (4H, m, ArCH2CH 2 & CH 2CH2OPiv), 1.33 (8H, br, (CH 2)4), 1.19 (9H, s, C(CH 3)3)。
7-(3-Acetyl-5-chloro-2,6-dihydroxyphenyl)heptyl pivalate (化合物178-11-OPiv).
前述のScheme 9と同様の方法に従って、ケトン型の芳香環原料23から合成した。
Mp 48℃. 1H-NMR (400 MHz, CDCl3)δ12.78 (1H, s, Ar-OH), 7.59 (1H, s, Ar-H), 6.12 (1H, br, Ar-OH), 4.04 (2H, t, J = 6.6 Hz, CH 2OPiv), 2.69 (2H, t, J = 7.5 Hz, Ar-CH 2), 2.55 (3H, s, CH 3C=O), 1.66-1.58 (2H, m, CH 2), 1.56-1.48 (2H, m, CH 2), 1.36 {6H, br, (CH 2)3}, 1.19 {9H, s, C(CH 3)3}. IR (KBr) 3300, 2930, 2852, 1728, 1616, 1474, 1418, 1373, 1339, 1286, 1150, 1119, 1045, 968, 872, 787, 623, 586 cm -1. HRMS (EI) Found: 384.1705. Calcd. for C20H29ClO5: 384.1704。
7-(3-Acetyl-5-chloro-2,6-dihydroxy-4-methylphenyl)heptyl pivalate (化合物172-11-OPiv).
前述のScheme 9と同様の方法に従って、ケトン型の芳香環原料111から合成した。1H-NMR (400 MHz, CDCl3)δ12.64 (1H, s, Ar-OH), 6.15 (1H, s, Ar-OH), 4.04 (2H, t, J = 6.6 Hz, CH 2OPiv), 2.67 (2H, t, J = 7.7 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.59 (3H, s, CH 3C=O), 1.64-1.57 (2H, m, CH 2), 1.55-1.48 (2H, m, CH 2), 1.36 (6H, br, (CH 2)3), 1.19 (9H, s, C(CH 3)3). IR (KBr) 3412, 2943, 2866, 1720, 1607, 1464, 1416, 1366, 1273, 1161, 1115, 1074, 1036, 984, 860, 770, 596 cm -1. HRMS (EI) Found: 398.1870. Calcd. for C21H31ClO5: 398.1860。
4-Chloro-6-cyano-5-methylresorcinol diacetate (化合物28).
AcONa (0.648 g, 7.90 mmol) のAcOH (10 ml) 溶液に室温でNH2OH・HCl (0.589 g, 8.47 mmol) と化合物112 (1.308 g, 7.01 mmol) を加え、7時間撹拌した。反応溶液にEtOAcとH2Oを加え、有機層を分取後、水層をEtOAcで抽出した。合わせた有機層をsat. aq. NaHCO3およびsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去して得られた対応するoxime (1.400 g) は精製せずに粗のまま次の反応に用いた。
1H-NMR (400 MHz, CDCl3)δ7.06 (1H, s, Ar-H), 2.64 (3H, s, Ar-CH 3), 2.39 (3H, s, OCOCH 3), 2.37 (3H, s, OCOCH 3). 13C-NMR (100 MHz, CDCl3) 167.9, 167.5, 151.2, 150.7, 142.7, 125.7, 116.4, 113.6, 106.8, 20.8, 20.6, 19.4。
7-(3-Chloro-5-cyano-2,6-dihydroxy-4-methylphenyl)heptyl pivalate (化合物193-11-OPiv).
前述のScheme 9と同様の方法に従って、ニトリル型の芳香環原料28から合成した。
Mp 67-68℃. 1H-NMR (400 MHz, CDCl3)δ6.21 (1H, br, Ar-OH), 6.17 (1H, s, Ar-OH), 4.05 (2H, t, J = 6.6 Hz, CH 2OPiv), 2.66 (2H, t, J = 7.7 Hz, ArCH 2), 2.51 (3H, s, Ar-CH 3), 1.66-1.58 (2H, m, CH 2), 1.56-1.48 (2H, m, CH 2), 1.35 {6H, br, (CH 2)3}, 1.20 {9H, s, C(CH 3)3}. 13C-NMR (100 MHz, CDCl3) 178.8, 156.3, 154.1, 137.2, 115.8, 115.3, 113.4, 93.9, 64.4, 38.8, 29.3, 28.9, 28.6, 28.3, 27.2, 25.8, 23.7, 18.9. IR (KBr) 3383, 2926, 2853, 2232, 1715, 1593, 1468, 1416, 1366, 1325, 1286, 1244, 1171, 1119, 1057, 1036, 980, 847, 799, 690, 627, 590 cm-1。
11.化合物215-11-OAc,215-9-OH
芳香環原料112とアルデヒド8から前述の方法で調整したアルドール生成物を酢酸中、リン酸存在下で還流するとTHP基の解裂と続くアセチル化が起こり、目的物が得られた。
Mp. 68℃. 1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.33 (1H, br, Ar-OH), 4.05 (2H, t, J = 6.8 Hz, CH 2OPiv), 2.66 (2H, t, J = 7.7 Hz, ArCH 2), 2.61 (3H, s, Ar-CH 3), 2.04 (3H, s, OC(O)CH 3), 1.65-1.50 (4H, m, 2 x CH 2), 1.34 (8H, br, (CH 2)4). IR (KBr) 3321, 2930, 2853, 1728, 1624, 1464, 1258, 1128, 1051, 797, 596 cm-1. HRMS (EI) Found: 356.1393. Calcd. for C18H25ClO5: 356.1391。
5-Chloro-2,4-dihydroxy-3-(8-hydoroxyoctyl)-6-methylbenaldehyde (化合物215-9-OH).
化合物215-11-OAcを前述の方法で加水分解し、目的物を得た。
Mp 129-130℃. 1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.33 (1H, s, Ar-OH), 3.64 (2H, t, J = 6.2 Hz, CH 2OH), 2.67 (2H, t, J = 7.3 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 1.64-1.47 (4H, m, CH 2CH2OH & ArCH2CH 2), 1.34 (8H, br, (CH 2)4). IR (KBr) 3539, 2924, 1627, 1421, 1296, 1257, 1132, 1016, 812 cm-1. HRMS (EI) Found: 314.1265. Calcd. for C16H23ClO4: 314.1285。
12.化合物アスコフラノン,214(acetyl AF),209(demethyl AF),249,250
Geranyl acetate (化合物29, 7.7 ml, 36 mmol) のEtOH (20 ml) 溶液に室温でSeO2 (4.34 g, 37.9 mmol) を加え、1時間還流した。反応溶液を室温に戻した後、セライトで濾過した。ろ液を濃縮した後、シリカゲルカラムクロマトグラフィー (hexane : EtOAc = 1:1) に供し、アルコール (化合物30) とアルデヒド (化合物31) を含む画分を集めた。溶媒を留去した後、残渣をEt2O (100 ml) に溶かし、これにMnO2 (85% purity, 22.5 g, 220 mmol) を加え、15時間撹拌した。反応溶液をセライトで濾過した後、濾液をsat. aq. NaClで洗い、Na2SO4で乾燥させた。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 4:1) で精製し、アルデヒド (化合物31) を得た。(2.142 g, 28%)
2-Methyl-3-buty2-ol (185 mg, 2.20 mmol) のTHF (14 ml) 溶液にAr気流下、-20℃でBuLi (1.58 M in hexane, 2.7 ml, 4.3 mmol) を加え、2時間撹拌した。反応溶液を-50℃に冷却した後、31 (505 mg, 2.40 mmol) のTHF (18 ml) を滴下した。同温で9時間撹拌した後、sat. aq. NH4Cl (5 ml) を加え、反応を停止させた。反応溶液をEtOAcで抽出し、有機層をsat. aq. NaCl で洗い、Na2SO-4 で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 2:1) で精製し、ジオール (化合物32) を得た (479 mg, 68 %)。
1H-NMR (400 MHz, CDCl3)δ5.54 (1H, t, J = 7.0 Hz, AcOCH2CH=C), 5.33 {1H, t, J = 7.1 Hz, CH=C(CH3)CH(OH)}, 4.76 {1H, d, J = 5.1 Hz, CH=C(CH3)CH(OH)}, 4.59 (2H, d, J = 7.0 Hz, AcOCH 2CH=C), 2.20-2.16 (2H, m, CH 2), 2.12-2.09 (2H, m, CH 2), 2.06 (3H, s, CH 3C=O), 1.97 {1H, d, J = 5.1 Hz, CH=C(CH3)CH(OH)}, 1.74 (3H, s, CH 3), 1.71 (3H, s, CH 3), 1.61 {1H, s, C(OH)(CH3)2}, 1.53 {6H, s, C(OH)(CH 3)2}. IR (neat) 3382, 2978, 2922, 1734, 1711, 1663, 1443, 1362, 1236, 1167, 1024, 951, 864, 712, 610, 554 cm-1。
1H-NMR (400 MHz, CDCl3)δ5.77 (1H, s, CHOPiv), 5.62 {1H, t, J = 7.0 Hz, CH=C(CH3)CHOPiv}, 5.35 (1H, t, J = 7.3 Hz, AcOCH2CH=C), 4.59 (2H, d, J = 7.3 Hz, AcOCH 2CH=C), 2.22-2.16 (2H, m, CH 2), 2.12-2.08 (2H, m, CH 2), 2.06 (3H, s, CH-3C=O), 1.71 (3H, s, CH 3), 1.69 (3H, s, CH 3), 1.62 {1H, br, C(OH)(CH3)2}, 1.51 {6H, s, C(OH)(CH 3)2}. 1.19 {9H, s, C(CH 3)3}. IR (neat) 3460, 2978, 2922, 2866, 1732, 1666, 1481, 1456, 1366, 1265, 1234, 1144, 1028, 955, 932, 864, 785, 708, 608, 561 cm-1。
1H-NMR (400 MHz, CDCl3)δ5.58 (1H, d, J = 1.5 Hz, CH=CHOPiv), 5.47 (1H, t, J= 6.8 Hz, CH2CH2CH=C), 5.34 (1H, dt, J = 1.1, 7.0 Hz, AcOCH2CH=C), 5.14 (1H, d, J = 0.8 Hz, CH=CHOPiv), 4.58 (2H, d, J= 7.0 Hz, AcOCH 2CH=C), 2.20-2.15 (2H, m, CH 2), 2.10-2.05 (2H, m, CH 2), 2.06 (3H, s, CH 3C=O), 1.70 (3H, s, CH 3), 1.60 (3H, s, CH 3), 1.37 {3H, s, C(CH 3)2}, 1.33 {3H, s, C(CH 3)2}, 1.28 {9H, s, C(CH 3)3}. IR (neat) 2978, 2943, 2860, 1763, 1736, 1655, 1481, 1460, 1366, 1331, 1275, 1234, 1146, 1105, 1028, 955, 876, 837, 760, 604, 586 cm-1。
1H-NMR (400 MHz, CDCl3)δ5.54 (2H, m, 2 x CH=C), 4.57 {1H, dd, J = 6.4, 10.2 Hz, C(O)CH2CH}, 4.02 (2H, d, J = 8.4 Hz, BrCH 2CH=C), 2.53 {1H, dd, J = 6.4, 18.2 Hz, C(O)CH 2CH}, 2.45 {1H, dd, J = 10.2, 18.2 Hz, C(O)CH 2CH}, 2.24-2.17 (2H, m, CH 2), 2.15-2.09 (2H, m, CH 2), 1.74 (3H, s, CH 3), 1.67 (3H, s, CH 3), 1.31 {3H, s, C(CH 3)2}, 1.24 {3H, s, C(CH 3)2}. IR (neat) 2965, 2901, 2860, 1757, 1659, 1460, 1377, 1356, 1342, 1310, 1202, 1170, 1111, 1001, 856, 675 cm-1。
Mp 88-90℃. 1H-NMR (500 MHz, CDCl3)δ2.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.43 (1H, s, Ar-OH), 5.51 (1H, t, J = 6.9 Hz, CH=C), 5.21 (1H, d, J= 7.1 Hz, ArCH2CH=C), 4.52 {1H, dd, J = 6.3, 10.1 Hz, C(O)CH2CH}, 3.39 (2H, d, J = 7.1 Hz, ArCH -2CH=C), 2.61 (3H, s, Ar-CH 3), 2.42 {1H, dd, J = 6.3, 18.2 Hz, C(O)CH 2CH}, 2.35 {1H, dd, J = 10.1, 18.2 Hz, C(O)CH 2CH}, 2.18-2.14 (2H, m, CH 2), 2.06-2.02 (2H, m, CH 2), 1.79 (3H, s, CH 3), 1.63 (3H, s, CH 3), 1.28 {3H, s, C(CH 3)2}, 1.22 {3H, s, C(CH 3)2}. IR (KBr) 3327, 2985, 2922, 2874, 1740, 1634, 1582, 1460, 1418, 1371, 1325, 1304, 1283, 1248, 1203, 1171, 1111, 1059, 1011, 907, 824, 712, 631, 592, 523 cm−1。
5-Chloro-2,4-dihydroxy-6-methyl-3-[(2E,6E)-7-(5,5-dimethyl-4- oxotetrahydrohura2-yl)-3,7-dimethyl-2,6-heptadienyl]acetophenone (化合物214; Acetyl AF).
上記と同じ既知化合物35からブロマイドを調製し、同様の方法でケトン型芳香環原料111と反応させて目的物を得た。
1H-NMR (500 MHz, CDCl3)δ12.64 (1H, s, Ar-OH), 6.26 (1H, s, Ar-OH), 5.50 (1H, t, J = 7.0 Hz, ArCH2CH=C), 5.21 (1H, t, J = 6.8 Hz, CH=C), 4.52 {1H, dd, J= 6.4, 10.0 Hz, CHCH2C=O}, 3.40 (2H, d, J = 7.0 Hz, ArCH 2CH), 2.61 {3H, s, ArC(O)CH 3}, 2.59 (3H, s, ArCH 3), 2.40 (1H, dd, J = 6.4, 18.3 Hz, CHCH 2C=O), 2.34 (1H, dd, J = 10.0, 18.3 Hz, CHCH 2C=O), 2.19-2.13 (2H, m, CH 2), 2.07-2.01 (2H, m, CH 2), 1.79 (3H, s, CH 3), 1.62 (3H, s, CH 3), 1.28 (3H, s, CH 3), 1.22 (3H, s, CH 3)。
5-Chloro-2,4-dihydroxy-3-[(2E,6E)-7-(5,5-dimethyl-4-oxotetrahydrohura2-yl)-3,7-dimethyl-2,6-heptadienyl]benzaldehyde (化合物209; Demethyl AF).
上記と同じ既知化合物35からブロマイドを調製し、同様の方法で5-クロロ-2,4-ジヒドロキシベンズアルデヒドと反応させて目的物を得た。
Mp 70-72℃. 1H-NMR (400 MHz, CDCl3)δ11.54 (1H, s, Ar-OH), 9.67 (1H, s, CHO), 7.40 (1H, s, Ar-H), 6.39 (1H, s, Ar-OH), 5.51 (1H, t, J = 6.8 Hz, CH2CH2CH=C), 5.22 (1H, t, J = 7.1 Hz, ArCH2CH=C), 4.53 {1H, dd, J = 6.2, 9.9 Hz, C(O)CH2CH}, 3.42 (2H, d, J = 7.1 Hz, ArCH 2CH=C), 2.46 {1H, dd, J = 6.2, 18.0 Hz, C(O)CH 2CH}, 2.38 {1H, dd, J = 9.9, 18.0 Hz, C(O)CH 2CH}, 2.20-2.14 (2H, m, CH 2), 2.08-2.02 (2H, m, CH 2), 1.79 (3H, s, CH 3), 1.63 (3H, s, CH 3), 1.29 (3H, s, CH 3), 1.23 (3H, s, CH 3). IR (KBr) 3327, 2986, 2921, 2853, 1753, 1649, 1620, 1473, 1433, 137, 1331, 1290, 1252, 1205, 1167, 1111, 1084, 993, 916, 876, 820, 743, 610, 561, 523 cm-1. HRMS (EI) Found: 406.1537. Calcd. for C22H27ClO5: 406.1547。
3-Chloro-4,6-dihydroxy-2-methyl-5-[(E)-7-(5,5-dimethyl-4-oxo-tetrahydrofura2-yl)-1-heptenyl]benzaldehyde (化合物249).
アルデヒド 8を文献(H. Saimoto et al., Bull. Chem. Soc. Jpn., 1995, 68, 2727-2734)と同様の方法によってフラノン 36 へと変換した。
1H-NMR (500 MHz, CDCl3)δ4.57 (1H, dd, J = 2.8, 4.2 Hz, OCHO), 4.20-4.14 (1H, m, CH2CHCH2C=O), 3.89-3.85 (1H, m, CH 2O), 3.73 (1H, dt, J = 6.9, 9.4 Hz, CH 2O), 3.52-3.48 (1H, m, CH 2O), 3.38 (1H, dt, J = 6.7, 9.6 Hz, CH 2O), 2.55 (1H, dd, J = 5.8, 18.1 Hz, CH 2C=O), 2.20 (1H, dd, J = 10.1, 18.1 Hz, CH 2C=O),1.86-1.80 (1H, m, CH 2CHO), 1.77-1.69 (2H,m), 1.64-1.51 (7H, m), 1.48-1.42 (1H, m), 1.35 (7H, br), 1.28 (3H, s, CH 3), 1.20 (3H, s, CH 3). IR (neat) 2922, 2854, 1757, 1462, 1443, 1369, 1350, 1177, 1119, 1070, 1032, 988, 905, 872, 814, 731 cm-1。
1H-NMR (500 MHz, CDCl3)δ9.60 (1H, t, J = 1.7 Hz, CHO), 4.01 (1H, m, CH2CHCO), 2.39 (1H, dd, J= 5.7 Hz, 17.8 Hz, CH 2C=O), 2.27 (2H, dt, J = 1.6 Hz, 7.4 Hz, CH 2CHO), 2.04 (1H, dd, J = 10.1 Hz, 17.8 Hz, CH 2C=O), 1.62-1.52 (1H, m, CH 2CHCH2C=O), 1.51-1.42 (3H, m), 1.35-1.26 (1H, m), 1.20 (5H, br), 1.09 (3H, s, CH 3), 1.03 (3H, s, CH 3). IR (neat) 2932, 2860, 2721, 1755, 1724, 1462, 1375, 1360, 1177, 1113, 1011, 83, 702 , 534 cm-1. HRMS (EI) ) Found: 226.1569. Calcd. for C13H22O3: M+ 226.1569。
Mp 99-100℃. 1H-NMR (500 MHz, CDCl3)δ13.07 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.66 (1H, dt, J = 6.9, 16.3 Hz, ArCH=CH), 6.59 (1H, s, Ar-OH), 6.53 (1H, d, J = 16.3 Hz, ArCH=CH), 4.18 (1H, m, CHCH2C=O), 2.62 (3H, s, Ar-CH 3), 2.57 (1H, dd, J = 5.7, 17.9 Hz, CHCH 2C=O), 2.28 (2H, q, J = 6.9 Hz, CH=CHCH 2), 2.21 (1H, dd, J = 10.1, 17.9 Hz, CHCH 2C=O), 1.80-1.74 (1H, m, CH 2CHCH2C=O), 1.66-1.60 (1H, m, CH 2CHCH2C=O), 1.55-1.48 (2H, m, CH 2), 1.44-1.35 {4H, m, (CH 2)2}, 1.27 (3H, s, CH 3), 1.20 (3H, s, CH 3). IR (neat) 3400, 2930, 2858, 1755, 1634, 1462, 1418, 1375, 1285, 1256, 1175, 1113, 978, 910, 733, 675, 592 cm-1. HRMS (EI) Found: 394.1552. Calcd. for C21H27O5Cl: M+ 394.1547。
5-Chloro-2,4-dihydroxy-6-methyl-3-[7-(3,3-dimethyl-4-oxo-2-oxacyclopentyl)heptyl]benzaldehyde (化合物250).
前述の操作手順に従い化合物249を接触還元反応に供し目的物を得た(98% yield)。
Mp 70-71℃. 1H-NMR (500 MHz, CDCl3) δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.32 (1H, br, Ar-OH), 4.16 (1H, m, CHCH2C=O), 2.66 (2H, t, J = 7.7 Hz, ArCH 2), 2.61 (3H, s, Ar-CH 3), 2.55 (1H, dd, J = 5.8, 18.1 Hz, CHCH 2C=O), 2.20 (1H, dd, J = 10.1, 18.1 Hz, CHCH 2C=O), 1.78-1.71 (1H, m, CH 2CHCH2C=O), 1.63-1.56 (2H, m, CH 2), 1.55-1.49 (2H, m, CH 2), 1.47-1.40 (1H, m, CH 2CHCH2C=O), 1.34 {6H, m, (CH 2)3}, 1.28 (3H, s, CH 3), 1.20 (3H, s, CH 3). HRMS (EI) Found: 396.1690. Calcd. for C21H29ClO5: 396.1704。
13.化合物275-10-COOMe,276-9,277-11-OAc,286-11-OAc,277-9-OH,286-9-OH
アルデヒド 31 (2.226 g, 10.59 mmol) のMeOH (50 ml) 溶液にすりつぶしたK2CO3 (0.802 g, 5.803 mmol) を室温で加え、4時間攪拌した。反応溶液にH2Oを加え、EtOAcで2回、Et2Oで1回抽出した。合わせた有機層をsat. aq. NH4Clとsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残渣をシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 2:1→1:2) で精製し、対応する1級アルコールを得た。(1.266 g, 71%)。
1H-NMR (400 MHz, CDCl3)δ9.37 (1H, s, CHO), 6.46 (1H, t, J = 7.1 Hz, CH=CCHO), 5.34 (1H, t, J= 6.2 Hz, TBSOCH2CH=C), 4.19 (2H, d, J = 6.2 Hz, TBSOCH 2CH), 2.47 (2H, q, J = 7.3 Hz, CH 2), 2.19 (2H, t, J = 7.3 Hz, CH 2), 1.74 (3H, s, CH 3), 1.65 (3H, s, CH 3), 0.89 (9H, s, C(CH 3)3), 0.06 (6H, s, Si(CH 3)2)。
1H-NMR (400 MHz, CDCl3)δ6.74 (1H, t, J = 7.3 Hz, CH=CCO2Me), 5.33 (1H, t, J = 6.2 Hz, TBSOCH2CH=C), 4.21 (2H, d, J = 6.2 Hz, TBSOCH 2CH), 3.73 (3H, s, CO2CH 3), 2.30 (2H, q, J = 7.5 Hz, CH 2), 2.13 (2H, t, J = 7.5 Hz, CH 2), 1.84 (3H, s, CH 3), 1.64 (3H, s, CH 3), 0.91 (9H, s, C(CH 3)3), 0.07 (6H, s, Si(CH 3)2)。
1H-NMR (400 MHz, CDCl3)δ6.73 (1H, t, J = 7.3 Hz, CH=CCO2Me), 5.44 (1H, t, J = 7.0 Hz, HOCH2CH=C), 4.21 (2H, d, J = 6.6 Hz, HOCH 2CH), 3.73 (3H, s, CO2CH 3), 2.31 (2H, q, J = 7.3 Hz, CH 2), 2.15 (2H, t, J = 7.7 Hz, CH 2), 1.84 (3H, s, CH 3), 1.69 (3H, s, CH 3), 1.45 (1H, br, OH)。
Methyl (2E,6E)-8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methyl)phenyl-
2,6-dimethyl-2,6-octadienate (化合物275-10-COOMe).
1級アルコール 39 (0.245 g, 1.236 mmol) のEt2O (20 ml) 溶液に0℃でCBr4(1.250 g, 3.769 mmol) と (C8H17)3P (1.65 ml, 3.07 mmol) を加え、0〜10℃で5時間攪拌した。溶媒を留去した後、残渣をシリカゲルカラムクロマトグラフィー(hexane : EtOAc = 4:1) に供し、対応するブロマイドを得た。そしてこれ以上の精製は行わず次の反応に用いた。
Mp 103-105℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, CHO), 6.71(1H. t, J = 7.4 Hz, CH=C), 6.47 (1H, s, Ar-OH), 5.24 (1H. t, J = 7.0 Hz, CH=C), 3.71 (3H, s, COOCH 3), 3.39 (2H, d, J = 7.0 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.29-2.23 (2H, m, CH 2), 2.11-2.08 (2H, m, CH 2), 1.80 (3H, s, CH 3), 1.79 (3H, s, CH 3). IR (KBr) 3369, 2957, 2908, 1715, 1624, 1526, 1456, 1433, 1377, 1279, 1240, 1212, 1161, 1128, 962, 907, 808, 787, 712, 627, 596, 569, 527 cm-1。
(3E,7E)-9-Hydroxy-3,7-dimethylnona-3,7-diene-2-one (化合物41).
アルデヒド 38 (1.600 g, 5.664 mmol) のTHF (50 ml) 溶液に-85℃でMeLi (1.0 M in Et2O, 11.5 ml, 11.5 mmol) を加え、-50℃に昇温しながら2時間攪拌した。これにH2Oを加えて反応を停止させ、有機層を分取した後、水層をEt2Oで抽出した。合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残渣をシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 4:1) で精製し、対応する2級アルコール40を得た(1.212 g, 72%)。
1H-NMR (400 MHz, CDCl3)δ6.61 {1H, t, J = 6.4 Hz, CH=C(CH3)C=O}, 5.45 (1H, t, J = 7.0 Hz, HOCH2CH=C), 4.21 (2H, d, J = 7.0 Hz, HOCH 2CH), 2.38 (2H, q, J = 7.3 Hz, CH 2), 2.30 (3H, s, COCH 3), 2.19 (2H, t, J = 7.7 Hz, CH 2), 1.77 (3H, s, CH 3), 1.71 (3H, s, CH 3)。
(2E,6E)-3-Chloro-4,6-dihydroxy-2-methyl-5-[(2E,6E)- (3,7-dimethyl-8-oxo-2,6-nonadienyl)benzaldehyde (化合物276-9).
アルコール 41 から前述の方法に従って、目的物を得た。
Mp 119-120℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, CHO), 6.54 (1H. t, J = 7.2 Hz, CH=C), 6.39 (1H, s, Ar-OH), 5.26 (1H. t, J = 7.3 Hz, CH=C), 3.40 (2H, d, J = 7.3 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.34 (2H, m, CH 2), 2.19 {3H, s, C(O)CH 3}, 2.14 (2H, m, CH 2), 1.81 (3H, s, CH 3), 1.72 (3H, s, CH 3). IR (KBr) 3356, 2920, 2840, 1663, 1620, 1520, 1460, 1425, 1366, 1279, 1236, 1196, 1161, 1111, 962, 903, 812, 787, 708, 631, 592, 569, 527 cm-1. Anal. Found: C, 65.05; H, 6.61; Cl, 10.11 %. Calcd for C19H23ClO4: C, 64.91; H, 6.52; Cl, 10.09%。
(3E,7E)-9-Hydroxy-3,7-dimethylnona-3,7-diene-2-yl acetate (化合物42).
2級アルコール 40 (0.682 g, 2.28 mmol) のpyridine (12 ml) 溶液に室温でAc2O (6 ml) を加え、2.5時間攪拌した。反応溶液をH2Oに注ぎ、Et2Oで2回、EtOAcで1回抽出した。合わせた有機層を1M aq. HClとsat. aq. NaCl で洗い、Na2SO4で乾燥した。溶媒を留去した後、残渣をシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 4:1) で精製し、対応するacetateを得た(0.585 g, 75%)。
1H-NMR (400 MHz, CDCl3)δ5.42 (1H, t, J = 7.0 Hz, CH=C(CH-3)CHOAc), 5.30 (1H, t, J = 6.2 Hz, TBSOCH2CH=C), 5.24 (1H, q, J =6.6 Hz, CH=C(CH-3)CHOAc), 4.18 (2H, d, J = 6.2 Hz, TBSOCH 2CH), 2.13 (2H, q, J = 6.6 Hz, CH 2), 2.03 (3H, s, COCH 3), 2.03 (2H, t, J = 7.3 Hz, CH 2), 1.62 (6H, s, 2 x CH 3), 1.28 (3H, d, J = 6.6 Hz, CH(OAc)CH 3), 0.90 (9H, s, C(CH 3)3), 0.07 (6H, s, Si(CH 3)2)。
1H-NMR (400 MHz, CDCl3)δ5.39 (2H, m, 2 x CH=C), 5.22 (1H, q, J = 6.6 Hz, CHOAc), 4.21 (2H, d, J= 6.2 Hz, HOCH 2CH), 2.19-2.13 (2H, m, CH 2), 2.09-2.05 (2H, m, CH 2), 2.03 (3H, s, COCH 3), 1.66 (3H, s, CH 3), 1.61 (3H, s, CH 3), 1.28 (3H, d, J = 6.6 Hz, CHCOCH 3)。
(3E,7E)-9-(3-Chloro-5-formyl-2,6-dihydroxy-4-methyl)phenyl-3,7-dimethyl-3,7-nonadie2-yl acetate (化合物277-11-OAc).
アルコール 42 から前述の方法に従って、目的物を得た。
Mp 101-102℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, CHO), 6.56 (1H, s, Ar-OH), 5.36 (1H. t, J = 7.3 Hz, CH=C), 5.20 {2H. m, CH(OAc)CH3& CH=C}, 3.39 (2H, d, J = 7.3 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.10 (2H, m, CH 2), 2.02 {3H, s, OC(O)CH 3}, 2.03-2.00 (2H, m, CH 2), 1.77 (3H, s, CH 3), 1.58 (3H, s, CH 3), 1.22 {3H, d, J = 6.6 Hz, CH(OAc)CH 3}. IR (KBr) 3356, 2986, 2916, 1711, 1624, 1456, 1422, 1377, 1283, 1254, 1157, 1115, 1080, 1024, 959, 910, 841, 808, 708, 631, 583, 544, 523 cm-1. Anal. Found: C, 63.85; H, 6.91; Cl, 8.95 %. Calcd for C21H27ClO5: C, 63.87; H, 6.89; Cl, 8.98 %。
(3E,7E)-9-(5-Acetyl-3-chloro-2,6-dihydroxy-4-methyl)phenyl-3,7-dimethyl-3,7-nonadie2-yl acetate (化合物286-11-OAc).
Mp 89-91℃. 1H-NMR (400 MHz, CDCl3)δ12.57 (1H, s, Ar-OH), 6.35 (1H, s, Ar-OH), 5.37 (2H, t, J = 6.8 Hz, CH=C), 5.24-5.17 (2H, m, CH=C & CHOAc), 3.40 (2H, d, J = 6.84 Hz, ArCH2), 2.61 (3H, s, ArCH 3), 2.58 (3H, s, ArCOCH 3), 2.07-2.04 (2H, m, CH 2), 2.03-1.99 (2H, s, CH 2), 2.02 (3H, s, COCH 3), 1.78 (3H, s, CH 3), 1.58 (3H, s, CH 3), 1.22 (3H, d, J = 6.4 Hz, CHOAc). IR (KBr) 3354, 2978, 2920, 1717, 1611, 1589, 1414, 1379, 1362, 1279, 1258, 1155, 1140, 1096, 1024, 953, 922, 891, 866, 845, 870, 642, 619 cm-1。
3-Chloro-4,6-dihydroxy-2-methyl-5-[(2E,6E)- (8-hydroxy-3,7-dimethyl-2,6-nonadienyl)benzaldehyde (化合物277-9-OH).
化合物277-11-OAc (73 mg, 0.185 mmol) のMeOH (10 ml) 溶液に室温でK2CO3(45 mg, 0.33 mmol) を加え19時間攪拌した。反応溶液にsat. aq. NH4ClとEtOAc を加え、有機層を分取後、水層をEtOAcで2回抽出した。合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残渣をシリカゲルカラムクロマトグラフィー (toluene : EtOAc = 10:1) で精製し、目的物を得た(11 mg, 17%)。
Mp 105-107℃. 1H-NMR (400 MHz, CDCl3)δ12.71 (1H, s, Ar-OH), 10.14 (1H, s, CHO), 6.61 (1H, s, Ar-OH), 5.32 (1H. t, J = 6.6 Hz, CH=C), 5.21 (1H. t, J = 7.0 Hz, CH=C), 4.17 (1H, m, CHOH), 3.40 (2H, d, J = 7.0 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.16-2.08 (2H, m, CH 2), 2.07-2.03 (2H, m, CH 2), 1.78 (3H, s, CH 3), 1.59 (3H, s, CH 3), 1.48 (1H, br, OH), 1.20 {3H, d, J= 6.2 Hz, CH(OH)CH 3}. IR (KBr) 3341, 2970, 2916, 1616, 1456, 1421, 1377, 1279, 1234, 1165, 1111, 1080, 966, 907, 865, 785, 716, 635, 579 cm-1。
(2E,6E)-3-Chloro-4,6-dihydroxy-2-methyl-5-(8-hydroxy-3’,7’-dimethyl-2’,6’-nonadienyl)acetophenone (化合物286-9-OH).
1H-NMR (400 MHz, CDCl3)δ12.58 (1H, s, Ar-OH), 6.40 (1H, s, Ar-OH), 5.31 (1H. t, J = 6.9 Hz, CH=C), 5.22 (1H. t, J = 7.0 Hz, CH=C), 4.17 (1H, m, CHOH), 3.41 (2H, d, J = 7.0 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.58 (3H, s, CH 3C=O), 2.17-2.08 (2H, m, CH 2), 2.07-2.02 (2H, m, CH 2), 1.78 (3H, s, CH 3), 1.59 (3H, s, CH 3), 1.49 (1H, br, OH), 1.20 {3H, d, J= 6.6 Hz, CH(OH)CH 3}. IR (KBr) 3345, 2972, 2920, 1596, 1410, 1377, 1361, 1287, 1261, 1209, 1159, 1099, 1078, 1049, 986, 949, 922, 885, 862, 843, 772, 604 cm-1。
14.化合物273-12,271-12
HMDS (0.8 ml, 3.8 mmol) のTHF (20 ml) 溶液に-50℃でBuLi (1.58 M in hexane, 2.4 ml, 3.8 mmol) を滴下し10分攪拌した。ここにpinacolone (0.44 ml, 3.5 mmol) を加え、-20℃に昇温しながら、2時間攪拌した。反応溶液を-80℃に冷却した後、化合物31 (0.625 g, 3.184 mmol) のTHF (5 ml) 溶液を滴下し、同温で1時間攪拌した後、室温に戻しながら15時間攪拌した。反応溶液にH2Oを加えた後、有機層を分取し、水層をEt2Oで2回抽出した。合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 7:1) で精製し、対応するα,β-不飽和ケトン (化合物43) を得た(0.333 g, 36%)。
1H-NMR (400 MHz, CDCl3)δ7.31 (1H, d, J = 15.4 Hz, CH=CHC=O), 6.47 (1H, d, J= 15.4 Hz, CH=CHC=O), 5.92 (1H, t, J = 7.0 Hz, AcOCH2CH=C), 5.36 (1H, t, J = 6.6 Hz, CH=C(CH3)CH=CH), 4.59 (2H, d, J = 7.0 Hz, AcOCH 2CH=C), 2.38-2.32 (2H, m, CH 2), 2.17-2.13 (2H, m, CH 2), 2.06 (3H, s, CH 3C=O), 1.81 (3H, s, CH 3), 1.68 (3H, s, CH 3), 1.18 (9H, s, C(CH 3)3)。
1H-NMR (400 MHz, CDCl3)δ7.31 (1H, d, J = 15.4 Hz, CH=CHC=O), 6.47 (1H, d, J= 15.4 Hz, CH=CHC=O), 5.93 (1H, t, J = 7.3 Hz, HOCH2CH=C), 5.43 (1H, t, J = 6.8 Hz, CH=C(CH3)CH=CH), 4.16 (2H, d, J = 7.0 Hz, HOCH 2CH=C), 2.38-2.32 (2H, m, CH 2), 2.15-2.11 (2H, m, CH 2), 1.81 (3H, s, CH 3), 1.69 (3H, s, CH 3), 1.18 (9H, s, C(CH 3)3)。
Mp. 108-110℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, CHO), 7.23 {1H, d, J = 15.4 Hz, CH=CHC(O)}, 6.43 (1H, d, J= 15.4 Hz, CH=CHC(O) ), 6.40 (1H, s, Ar-OH), 5.37 (1H. t, J = 7.0 Hz, CH=C), 5.21 (1H. t, J = 6.6 Hz, CH=C), 3.39 (2H, d, J = 7.0 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.30 (2H, m, CH 2), 2.08 (2H, m, CH 2), 1.79 (3H, s, CH 3), 1.77 (3H, s, CH 3), 1.17 (9H, s, C(CH 3)3). IR (KBr) 3194, 2964, 2916, 1672, 1599, 1460, 1421, 1394, 1369, 1275, 1236, 1205, 1165, 1115, 1074, 980, 910, 806, 764, 715, 631, 586 cm-1。
3-Chloro-4,6-dihydroxy-2-methyl-5-[(2E,6E)-(8-methoxy-3,7,11,11-tetramethyl-10-oxo-2,6-dodecadienyl)benzaldehyde (化合物271-12).
HMDS (1.6 ml, 7.6 mmol) のTHF (25 ml) 溶液に-50℃でBuLi (1.58 M in hexane, 5.0 ml, 7.9 mmol) を滴下し15分攪拌した。ここにpinacolone (0.96 ml, 7.7 mmol) を加え、-20℃に昇温しながら、1時間攪拌した。反応溶液を-80℃に冷却した後、化合物31 (1.069 g, 5.084 mmol) のTHF (10 ml) 溶液を滴下し、-50℃に昇温しながら6時間攪拌した。反応溶液にH2Oを加えた後、有機層を分取し、水層をEtOAcで2回抽出した。合わせた有機層を飽和食塩水で洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 3:1) で精製し、対応するアルドール生成物を得た(1.047 g, 66%)。
1H-NMR (400 MHz, CDCl3)δ5.44 (1H, t, J = 6.4 Hz, AcOCH2CH=C), 5.34 (1H, t, J = 7.1 Hz, CH=C(CH3)CH(OH) ), 4.59 (2H, d, J = 7.3 Hz, AcOCH 2CH=C), 4.42 (1H, t, J = 5.9 Hz, CH(OH) ), 3.22 (1H, br, CH(OH)), 2.68 (2H, d, J = 6.0 Hz, CH 2C=O), 2.18-2.12 (2H, m, CH 2), 2.11-2.07 (2H, m, CH 2), 2.06 (3H, s, CH 3C=O), 1.71 (3H, s, CH 3), 1.64 (3H, s, CH 3), 1.15 (9H, s, C(CH 3)3)。
1H-NMR (400 MHz, CDCl3)δ5.33 (1H, t, J = 6.3 Hz, CH=C), 5.29 (1H, t, J= 7.0 Hz, CH=C), 4.51 (2H, d, J = 7.3 Hz, AcOCH 2CH=C), 3.97 (1H, dd, J = 4.4, 8.0 Hz, CHOCH3), 3.07 (3H, s, OCH 3), 2.80 (1H, d, J = 8.0, 16.9 Hz, CH 2C=O), 2.33 (1H, d, J = 4.4, 16.9 Hz, CH 2C=O), 2.16-2.01 (4H, m, CH 2CH 2), 1.99 (3H, s, CH 3C=O), 1.63 (3H, s, CH 3), 1.48 (3H, s, CH 3), 1.05 (9H, s, C(CH 3)3)。
1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, CHO), 6.56 (1H, s, Ar-OH), 5.37 (1H. t, J = 6.6 Hz, CH=C), 5.23 (1H. t, J = 7.0 Hz, CH=C), 3.99 (1H, dd, J = 4.4, 8.1 Hz, C(O)CH2CHOMe), 3.39 (2H, d, J = 7.0 Hz, Ar-CH 2), 3.08 (3H, s, OCH 3), 2.85 (1H, dd, J = 4.4, 16.6 Hz, C(O)CH 2CHOMe), 2.61 (3H, s, Ar-CH 3), 2.39 (1H, dd, J = 8.1, 16.6 Hz, C(O)CH 2CHOMe), 2.19-2.08 (2H, m, CH 2), 2.05-2.01 (2H, m, CH 2), 1.78 (3H, s, CH 3), 1.52 (3H, s, CH 3), 1.11 (9H, s, C(CH 3)3)。
15.化合物234-12-OPiv,175-12-OPiv,235-12-Opiv
Geranyl acetate (化合物29, 1.0 ml, 4.7 mmol) のEtOH (20 ml) 溶液に室温でSeO2 (602 mg, 5.43 mmol) を加え、1時間還流した。反応溶液を室温に戻した後、セライトで濾過した。ろ液を濃縮した後、EtOH (20 ml) を加え0℃に冷却した。これにNaBH4(58 mg, 1.5 mmol) を加え、1時間撹拌した。反応溶液に2 M aq. HCl (2 ml) を加え5分間撹拌した後、H2O (30 ml) に注ぎ込んだ。EtOAcで抽出した後、合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥させた。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 2:1) に供し、1級アルコール (化合物30) の粗精製物 (1.517 g) を得た。
1H-NMR (400 MHz, CDCl3)δ5.41 (1H, t, J = 7.0 Hz, CH=C), 5.35 (1H, t, J= 7.1 Hz, CH=C), 4.59 (2H, d, J = 7.0 Hz, AcOCH 2), 4.44 (2H, s, CH 2OPiv), 2.21-2.15 (2H, m, CH 2), 2.11-2.07 (2H, m, CH 2), 1.71 (3H, s, CH 3), 1.64 (3H, s, CH 3), 1.20 (9H, s, C(CH 3)3)。
1H-NMR (400 MHz, CDCl3)δ5.47-5.34 (2H, m, 2 x CH=C), 4.44 (2H, s, CH 2OPiv), 4.15 (2H, d, J = 6.6 Hz, CH 2OH), 2.23-2.13 (2H, m, CH 2), 2.11-2.03 (2H, m, CH 2), 1.67 (3H, s, CH 3), 1.64 (3H, s, CH 3), 1.42 (1H, br, CH2OH), 1.21 (9H, s, C(CH 3)3)。
Mp 60℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.54 (1H, s, Ar-OH), 5.38 (1H. t, J = 6.8 Hz, CH=C), 5.22 (1H. t, J = 6.8 Hz, CH=C), 4.40 (2H, s, CH 2OPiv), 3.39 (2H, d, J = 6.8 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.16-2.11 (2H, m, CH 2), 2.04-2.00 (2H, m, CH 2), 1.78 (3H, s, CH 3), 1.61 (3H, s, CH 3), 1.20 {9H, s, C(CH 3)3}. 13C-NMR (100 MHz, CDCl3) δ193.3, 178.4, 162.2, 156.4, 137.7, 136.2, 130.3, 128.4, 121.2, 114.4, 113.6, 113.3, 69.9, 39.1, 38.9, 27.2, 26.1, 22.0, 16.1, 14.4, 13.8. IR (KBr) 3244, 2978, 2922, 1728, 1616, 1485, 1450, 1421, 1369, 1279, 1234, 1157, 1105, 1032, 959, 910, 876, 770, 718, 635, 604, 575, 536 cm-1. Anal. Found: C, 65.07; H, 7.32; Cl, 8.44 %. Calcd for C23H31ClO5: C, 65.32; H, 7.39; Cl, 8.38%。
(2E,6E)-8-(5-Acetyl-3-chloro-2,6-dihydroxy-4-methylphenyl)-2,6-dimethyl-2,6-octadienyl pivalate (化合物175-12-OPiv).
芳香環原料として化合物111を用いて同様に合成し、目的物を得た。
1H-NMR (400 MHz, CDCl3)δ12.62 (1H, s, Ar-OH), 6.31 (1H, s, Ar-OH), 5.38 (1H. t, J = 6.8 Hz, CH=C), 5.23 (1H. t, J= 6.2 Hz, CH=C), 4.39 (2H, s, CH 2OPiv), 3.40 (2H, d, J = 7.3 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.59 (3H, s, CH 3C=O ), 2.17-2.10 (2H, m, CH 2), 2.06-1.98 (2H, m, CH 2), 1.79 (3H, s, CH 3), 1.60 (3H, s, CH 3), 1.19 {9H, s, C(CH 3)3}. IR (KBr) 3412, 2978, 2922, 1728, 1610, 1464, 1416, 1360, 1279, 1157, 1094, 1036, 984, 951, 841, 768, 600 cm-1. HRMS (EI) Found: 436.2024. Calcd. for C24H33ClO5: 436.2017。
8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-2,6-dimethyloctyl pivalate (化合物235-12-OPiv).
化合物234-12-OPivについて Scheme 1と同様の還元を行ない、目的物を得た。
1H-NMR (400 MHz, CDCl3)δ12.61 (1H, s, Ar-OH), 10.10 (1H, s, Ar-CHO), 6.50 (1H, d, J = 12.1 Hz, Ar-OH), 3.98-3.93 (1H, m, CH 2OPiv), 3.87-3.82 (1H, m, CH 2OPiv), 2.66-2.59 (2H, m, Ar-CH 2), 2.56 (3H, s, Ar-CH 3), 1.80-1.70 (2H, m, CH 2), 1.53-1.41 (2H, m), 1.36-1.27 (4H, br, CH 2CH 2), 1.23-1.17 (2H, m), 1.17 {9H, s, C(CH 3)3}, 0.91 (3H, d, J = 7.0 Hz, CH(CH 3), 0.90 (3H, d, J = 7.0 Hz, CHCH 3). 13C-NMR (100 MHz, CDCl3)δ193.19, 178.75, 162.31, 156.22, 137.20, 115.6, 113.45, 113.86, 69.18, 38.83, 36.79, 35.21, 33.74, 32.77, 32.61, 27.19, 23.89, 20.43, 19.61, 16.99, 14.39. IR (neat) 3395, 2961, 2932, 2872, 1724, 1717, 1634, 1462, 1422, 1375, 1290, 1248, 1167, 1034, 980, 800, 710, 592 cm-1. HRMS (EI) Found: 426.2144. Calcd. for C23H35ClO5: 426.2173。
16.化合物264-11-OPiv,265-11-Opiv
δ-Valerolactone (化合物52, 3.0 ml, 32 mmol) のTHF (50 ml) 溶液にAr下、-80℃でMeLi (1.04 M in Et2O, 33 ml, 34 mmol) を滴下し、-65℃に昇温しながら4時間撹拌した。H2O で反応停止し、室温で5分間撹拌した後、有機層を分取し、水層をEtOAcで2回抽出した。合わせた有機層を飽和食塩水で洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (EtOAc) で精製し、7-ヒドロキシ-2-ヘキサノンを得た (2.545 g, 68%)。
1H-NMR (400 MHz, CDCl3)δ3.57 (2H, t, J = 6.6 Hz, CH 2OTBS), 2.41 (2H, t, J = 7.3 Hz, C(O)CH 2CH2), 2.09 (3H, s, CH 3C=O), 1.62-1.55 (2H, m, CH 2), 1.51-1.43 (2H, m, CH 2), 0.85 (9H, s, C(CH 3)3), 0.01 (6H, s, Si(CH 3)2)。
1H-NMR (400 MHz, CDCl3)δ5.34 (1H, dt, J = 1.1, 7.0 Hz, C=CH), 4.57 (2H, d, J = 7.0 Hz, CH 2OAc), 3.61 (2H, t, J = 6.0 Hz, CH 2OTBS), 2.13-2.05 (5H, m, CH 3OC=O & CH=C(CH3)CH 2), 1.69 (3H, s, CH=C(CH 3)CH2), 1.53-1.43 (4H, m, CH 2CH 2), 0.89 (9H, s, C(CH 3)3), 0.05 (6H, s, Si(CH 3)2)。
1H-NMR (400 MHz, CDCl3)δ5.35 (1H, dt, J = 1.1, 7.0 Hz, C=CH), 4.58 (2H, d, J = 7.0 Hz, CH 2OAc), 3.65 (2H, t, J = 6.2 Hz, CH 2OH), 2.08-2.05 (5H, m, CH 3OC=O & CH=C(CH3)CH 2), 1.70 (3H, s, CH=C(CH 3)CH2), 1.59-1.46 (4H, m, CH 2CH 2)。
1H-NMR (400 MHz, CDCl3)δ5.35 (1H, t, J = 7.1 Hz, C=CH), 4.58 (2H, d, J = 7.0 Hz, CH 2OAc), 4.06 (2H, t, J = 6.4 Hz, CH 2OPiv), 2.09-2.03 (5H, m, CH 3OC=O & CH=C(CH3)CH 2), 1.69 (3H, s, CH=C(CH 3)CH2), 1.63-1.57 (2H, m, CH 2), 1.53-1.46 (2H, m, CH 2), 1.20 (9H, s, C(CH 3)3)。
1H NMR (400 MHz, CDCl3)δ5.42 (1H, ddt, J = 1.5, 2.6, 7.0 Hz, C=CH), 4.16 (2H, d, J = 6.6 Hz, CH 2OH), 4.06 (2H, t, J = 6.2 Hz, CH 2OPiv), 2.05 (2H, t, J = 7.3 Hz, , CH=C(CH3)CH 2), 1.67 (3H, s, CH=C(CH 3)CH2), 1.63-1.58 (2H, m, CH 2), 1.53-1.46 (2H, m, CH 2), 1.28 (1H, br, OH), 1.19 (9H, s, C(CH 3)3)。
Mp 74-75℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.42 (1H, s, Ar-OH), 5.22 (1H. dt, J = 1.5, 7.3 Hz, CH=C), 4.03 (2H, t, J = 6.4 Hz, CH 2OPiv), 3.40 (2H, d, J = 7.3 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.00 (2H, t, J = 7.5 Hz, CH=C(CH3)CH 2), 1.77 (3H, s, CH=C(CH 3)CH2), 1.58-1.53 (2H, m, CH 2), 1.49-1.43 (2H, m, CH 2), 1.18 (9H, s, C(CH 3)3). IR (KBr) 3188, 2964, 2874, 1728, 1607, 1477, 1456, 1421, 1377, 1283, 1231, 1161, 1111, 1031, 910, 868, 770, 712, 631, 592 cm-1. Anal. Found: C, 63.53; H, 7.41; Cl, 8.72 %. Calcd for C21H29ClO5: C, 63.55; H, 7.36; Cl, 8.93 %。
7-(3-Chloro-2,6-dihydroxy-5-formyl-4-methylphenyl)-5-methylheptyl pivalate (化合物265-11-OPiv).
化合物264-11-OPiv (0.130 g, 0.328 mmol) のEtOAc (10 ml) 溶液に0℃でPd-C (cat. amount) を加え、H2雰囲気下、5時間撹拌した。Pd-Cを濾別した後、溶媒を留去し、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 7:1) で精製し、目的物を得た(0.108 g, 83%)。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.35 (1H, br, Ar-OH), 4.05 (2H, t, J = 6.6 Hz, CH 2OPiv), 2.70-2.63 (2H, m, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 1.64-1.57 (2H, m, CH 2), 1.55-1.30 (5H, m, CHCH3 & CH 2CH 2), 1.23-1.17 (2H, m, CH 2), 1.19 (9H, s, C(CH 3)3), 0.95 (3H, d, J = 6.2 Hz, CH(CH 3)CH2). IR (KBr) 3391, 2957, 2874, 1720, 1628, 1481, 1468, 1421, 1373, 1292, 1248, 1165, 1126, 1094, 1036, 972, 937, 802, 708, 631, 590, 523 cm-1. HRMS (EI) Found: 398.1865. Calcd. for C21H31ClO5: 398.1860。
17.化合物264-8,265-8,(Z)-264-8, 268-8,270-8, 269-8
NaH (60% in oil, 0.511g, 12.8 mmol) のTHF (20 ml) 懸濁液に0℃でtriethyl phosphonoacetate (2.4 ml, 11 mmol) を加え、室温に戻しながら1.5時間撹拌した。これを-65℃に冷却した後、2-hetanone (化合物56, 1.3 ml, 9.3 mmol) を滴下し、室温に戻しながら1日撹拌した。H2Oでquenchし、5分間撹拌した後、有機層を分取し、水層をEt2Oで1回、EtOAcで1回抽出した。合わせた有機層をsat. aq. NH4Clとsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 30:1) で精製し、不飽和エステル 57 を(E)-体、(Z)-体およびそれらの混合物として得た(total 1.102 g, 64%)。
(E)-isomer: 1H NMR (400 MHz, CDCl3)δ5.66 (1H, dd, J = 1.6, 2.4 Hz, C=CHCO2Et), 4.14 (2H, q, J = 7.0 Hz, CO2CH 2CH3), 2.15-2.10 (5H, m, CH=C(CH 3)CH 2), 1.51-1.43 (2H, m, CH2CH2CH2CH 2CH3), 1.33-1.23 (7H, m, CO2CH2CH 3 & CH2CH 2CH 2CH2CH3), 0.89 {3H, t, J = 7.0 Hz, (CH2)4CH 3}. (Z)-isomer: 1H NMR (400 MHz, CDCl3)δ5.64 (1H, d, J = 1.4 Hz, C=CHCO2Et), 4.14 (2H, q, J = 7.3 Hz, CO2CH 2CH3), 2.61 (2H, t, J = 7.8 Hz, CH=C(CH 3)CH 2), 1.88 (3H, d, J = 1.4 Hz, CH=C(CH 3)CH2), 1.50-1.42 {2H, m, CH2CH2CH2CH 2CH3}, 1.34-1.23 (7H, m, CO2CH2CH 3 & CH2CH 2CH 2CH2CH3), 0.89 (3H, t, J = 7.3 Hz, (CH2)4CH 3)。
1H-NMR (400 MHz, CDCl3)δ5.40 (1H, dt, J = 1.1, 7.0 Hz, CH=C), 4.15 (2H, d, J= 7.0 Hz, CH 2OH), 2.01 (2H, t, J = 7.7 Hz, CH=C(CH3)CH 2), 1.67 (3H, s, CH=C(CH 3)CH2), 1.45-1.38 (2H, m, CH2CH2CH2CH 2CH3), 1.36-1.21 (5H, m, CH2OH & CH2CH 2 CH 2CH2CH3), 0.89 (3H, t, J = 7.0 Hz, (CH2)4CH 3)。
Mp 99-101℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.42 (1H, s, Ar-OH), 5.21 (1H. tq, J = 1.1, 7.0 Hz, CH=C), 3.40 (2H, d, J = 7.0 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 1.96 {2H, t, J = 7.5 Hz, CH=C(CH3)CH 2}, 1.78 {3H, s, CH=C(CH 3)CH2}, 1.41-1.34 {2H, m, CH2(CH2)2CH 2CH3}, 1.31-1.18 {4H, m, CH2(CH 2)2CH2CH3}, 0.86 {3H, t, J = 7.1 Hz, CH2(CH2)3CH 3}. IR (KBr) 3341, 2922, 2860, 1620, 1525, 1464, 1421, 1373, 1330, 1279, 1234, 1165, 1111, 955, 907, 876, 787, 715, 625, 592, 561 cm-1. Anal. Found: C, 65.43; H, 7.44; Cl, 11.43 %. Calcd for C17H23ClO3: C, 65.69; H, 7.46; Cl, 11.41 %。
3-Chloro-4,6-dihydroxy-2-methyl-5-(3-methyloctyl)benzaldehyde (化合物265-8).
化合物264-8 (0.185 g, 0.595 mmol) のEtOH (10 ml) 溶液に0℃でPd-C (cat. amount) を加え、H2雰囲気下、0℃で2時間、室温で3時間撹拌した。Pd-Cを濾別した後、溶媒を留去し、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 12:1) で精製し、さらにhexaneから再結晶を2回行い、目的物265-8を得た(0.071 g, 38%)。
Mp 65-67℃. 1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.30 (1H, s, Ar-OH), 2.69-2.64 (2H, m, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 1.53-1.41 (2H, m, CH2), 1.38-1.20 {8H, m, (CH 2)4}, 1.19-1.10 (1H, m, CHCH3), 0.95 {3H, d, J = 6.6 Hz, CH(CH 3)CH2}, 0.88 {3H, t, J = 7.0 Hz, CH2(CH2)3CH 3}. IR (KBr) 3258, 2922, 2860, 1603, 1464, 1418, 1373, 1290, 1240, 1128, 924, 799, 764, 708, 631, 592, 530 cm-1. HRMS (EI) Found: 312.1479. Calcd for C17H25ClO3: 312.1492。
(Z)-3-Chloro-4,6-dihydroxy-2-methyl-5-(3-methyl-2-octenyl)benzaldehyde (化合物(Z)-264-8).
化合物(Z)-57 から同様の方法により目的物を得た。
Mp 157-158℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.42 (1H, br, Ar-OH), 5.23 (1H. t, J = 7.3 Hz, CH=C), 3.40 (2H, d, J = 7.3 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.21 (2H, t, J=7.5 Hz, CH=C(CH3)CH 2), 1.68 (3H, s, CH=C(CH 3)CH2), 1.47-1.39 (2H, m, CH2(CH2)2CH 2CH3), 1.37-1.30 (4H, m, CH2(CH 2)2CH2CH3), 0.91 (3H, t, J = 6.8 Hz, CH2(CH2)3CH 3). IR (KBr) 3279, 2964, 2916, 2860, 1616, 1516, 1452, 1421, 1373, 1334, 1279, 1231, 1192, 1157, 1109, 959, 899, 868, 787, 718, 621, 592, 527 cm-1. HRMS (EI) Found: 310.1337. Calcd for C17H23ClO3: 310.1336。
(E/Z)-3-Chloro-4,6-dihydroxy-2-methyl-5-(3-methyl-2-octenyl)acetophenone (化合物268-8).
アルコール (化合物58, (E)/(Z)混合物) から同様の方法により目的物を得た。
(E): (Z) = 5:1. Mp 42-46℃. 1H NMR (400 MHz, CDCl3)δ12.55 {1/6H, s, Ar-OH, (Z)}, 12.53 {5/6H, s, Ar-OH, (E)}, 6.25 (1H, s, Ar-OH), 5.21 (1H. t, J = 6.8 Hz, CH=C), 3.41 (2H, d, J = 6.8 Hz, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.58 (3H, s, CH 3C=O), 2.21 {1/3H, t, J = 7.5 Hz, CH=C(CH3)CH 2, (Z)}, 1.96 {5/3H, t, J = 7.7 Hz, CH=C(CH3)CH 2, (E)}, 1.77 {5/2H, s, CH=C(CH 3)CH2, (E)}, 1.68 {1/2H, s, CH=C(CH 3)CH2, (Z)}, 1.41-1.18 {6H, m, CH2(CH 2)3CH3}, 0.91 (1/2H, t, J = 7.0 Hz, CH2(CH2)3CH 3, (Z)), 0.86 {5/2H, t, J = 7.1 Hz, CH2(CH2)3CH 3, (E)}。
化合物268-8の副生成物として得られた。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 6.38 (1H, s, Ar-H), 5.46 (1H. t, J = 6.2 Hz, CH=C), 4.63 (2H, d, J = 6.2 Hz, ArOCH 2), 2.61 (3H, s, Ar-CH 3), 2.57 (3H, s, CH 3C=O), 2.06 {2H, t, J = 7.5 Hz, CH=C(CH3)CH 2}, 1.73 {3H, s, CH=C(CH 3)CH2}, 1.43 {2H, m, (CH2)3CH 2CH3}, 1.34-1.23 {4H, m, CH2(CH 2)2CH2CH3}, 0.88 {3H, t, J = 7.0 Hz, CH2(CH2)3CH 3}. IR (KBr) 2978, 2916, 1607, 1460, 1408, 1360, 1273, 1249, 1202, 1094, 1040, 1011, 824, 752, 638, 625 cm-1。
3-Chloro-4,6-dihydroxy-2-methyl-5-(3-methyloctyl)acetophenone (化合物269-8).
1H NMR (400 MHz, CDCl3)δ12.53 (1H, s, Ar-OH), 6.08 (1H, s, Ar-OH), 2.64-2.56 (2H, m, Ar-CH 2), 2.53 (3H, s, Ar-CH 3), 2.51 (3H, s, CH 3C=O), 1.48-1.35 (2H, m, CH 2), 1.33-1.13 {8H, m, (CH 2)4}, 1.12-1.03 (1H, m, CHCH3), 0.87 {3H, d, J = 6.8 Hz, CH(CH 3)CH2}, 0.81 {3H, t, J = 7.0 Hz, CH2(CH2)3CH 3}. 13C-NMR (100 MHz, CDCl3)δ204.58, 160.76, 153.88, 134.47, 117.14, 116.16, 113.86, 36.81, 35.57, 33.08, 32.85, 32.27, 26.64, 22.72, 21.25, 20.76, 19.61, 14.23. IR (KBr) 3391, 2922, 2860, 1610, 1468, 1404, 1356, 1269, 1192, 1119, 1092, 997, 951, 868, 785, 742, 603 cm-1. HRMS (EI) Found: 326.1659. Calcd. for C18H27ClO3: 326.1649。
18.化合物206-12-Opiv
1,6-Hexanediol (化合物59, 3.369 g, 28.51 mmol) のDMF (30 ml) 溶液に0℃でimidazole (1.724 g, 25.32 mmol), DMAP (cat. amount) およびTBS-Cl (50% in toluene, 3.50 ml, 10.1 mmol) を加え、室温に戻しながら15時間攪拌した。反応溶液にH2Oを加えた後、有機層を分取し、水層をEt2Oで2回抽出した。合わせた有機層をsat. aq. NaHCO3とsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残渣をシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 3:1) で精製し、対応するシリルエーテルを得た(1.671 g, 71%)。
1H-NMR (400 MHz, CDCl3)δ3.66-3.59 (4H, m, CH 2OH & CH 2OTBS), 1.60-1.51 (4H, m, CH 2CH2OH & CH 2CH2OTBS), 1.43-1.36 (5H, m, CH 2CH 2 & OH), 0.89 {9H, s, C(CH 3)3}, 0.05 {6H, s, Si(CH 3)2}。
1H-NMR (400 MHz, CDCl3)δ5.77 (1H, dt, J = 6.6, 15.4 Hz, AcOCH2CH=CH), 5.56 (1H, dt, J = 6.6, 15.4 Hz, AcOCH2CH=CH), 4.50 (2H, d, J = 6.2 Hz, AcOCH 2CH=CH), 3.60 (2H, t, J = 6.6 Hz, CH 2OTBS), 2.06 (5H, br, CH 3C=O & CH=CHCH 2), 1.55-1.48 (2H, m, CH 2CH2OTBS), 1.44-1.30 (4H, m, 2 x CH 2), 0.89 {9H, s, C(CH 3)3}, 0.05 {6H, s, Si(CH 3)2}。
Mp 89-90℃. 1H-NMR (400 MHz, CDCl3)δ12.68 (1H, s, Ar-OH), 10.15 (1H, s, CHO), 6.38 (1H, br, Ar-OH), 5.54-5.51 (2H, m, CH=CH), 4.02 (2H, t, J = 6.6 Hz, CH 2OPiv), 3.38 (2H, d, J = 4.0 Hz, ArCH 2CH=CH), 2.61 (3H, s, Ar-CH 3), 2.03-1.95 (2H, m, CH 2), 1.63-1.57 (2H, m, CH 2), 1.40-1.29 {4H, m, (CH 2)2}, 1.18 {9H, s, C(CH 3)3}. IR (KBr), 3300, 2970, 2916, 1724, 1620, 1481, 1452, 1429, 1286, 1248, 1223, 1175, 1123, 980, 895, 787, 592 cm-1. HRMS (EI) Found: 396.1684. Calcd. for C21H29ClO5: 396.1704。
19.化合物278-8,279-8
マロン酸ジエチル65 を常法(Tetrahedron, 2003, 59, 2991-2998)に従ってプレニル化して化合物66 (収率84%)を得た。次に化合物66 (10.00 g, 43.8 mmol)のDMSO (60 ml)溶液を、NaCl (4.10 g, 70.1 mmol)と水(3.5 ml)の混合物に加え、150℃で18時間撹拌した。室温に冷却して酢酸エチルで抽出し、Na2SO4で乾燥した。減圧濃縮によって得た粗生成物をシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 20 : 1) に供し、対応するモノエステル67 (5.69 g, 収率83%)を得た。
Mp 131-132℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.37 (1H, s, Ar-OH), 5.55 (2H, m, CH=CH), 5.08 {1H, t, J= 1.3 Hz, CH=C(CH3)2}, 3.38 (2H, d, J = 3.7 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.01 (4H, br, CH 2CH 2), 1.66 (3H, s, CH 3), 1.57 (3H, s, CH 3). IR (KBr) 3433, 2908, 1624, 1425, 1219, 1111, 781, 529. HRMS (EI) Found: 308.1169. Calcd. for C17H21ClO3: 308.1179。
3-Chloro-4,6-dihydroxy-2-methyl-5-(7-methyloctyl)benzaldehyde (化合物279-8).
化合物278-8の還元は、Scheme 17の265-8の合成方法(f)と同じ方法により実施して化合物279-8(収率97%)を得た。
Mp 93-94℃. 1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.30 (1H, s, Ar-OH), 2.66 (2H, d, J = 7.6 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 1.60-1.46 {3H, m, CH(CH3)2& CH 2}, 1.40-1.23 {6H, m, (CH 2)3}, 1.18-1.11 (2H, m, CH 2), 0.85 {6H, d, J = 6.8 Hz, CH(CH 3)2}. IR (KBr) 3260, 2916, 2847, 1607, 1470, 1421, 1248, 1132, 871, 762, 710, 596, 529 cm-1. HRMS (EI) Found: 312.1484. Calcd. for C17H25ClO3: 312.1492。
20.化合物278-12-OPiv,279-12-Opiv
Scheme 20
(2E,6E)-8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-2-methyl-2,6-octadienyl pivalate (化合物278-12-OPiv).
シクロヘキシルメチルケトンを文献(Synthesis, 1979, 37-38.)の方法で処理して得られるヨウ化プレニル (220 mg, 1.05 mmol)のDMPU(1.5 ml)溶液を、3-(4-メトキシベンジルオキシ)-1-プロピン(282 mg, 1.50 mmol)のTHF (1 ml)溶液に-20℃にてブチルリチウムのヘキサン溶液(2.00 mmol, 1.2 ml)を加えて2時間撹拌した反応混合物に、-20℃にて加え、12時間撹拌しながら室温に昇温した。酢酸エチルにより抽出、後処理し、シリカゲルカラムクロマトグラフィー (hexane : EtOAc = 25 : 1)で精製し、MPMエーテル体70 (203 mg, 収率40%)を得た。これを常法(J. Am. Chem. Soc., 2002, 13670-13671)に従い2,3-ジクロロ-5,6-ジシアノベンゾキノンを用いてアルコールの保護基を除き71として、続いてRed-Alによる還元法(Org. Lett., 2004, 1785-1787)を適用することにより(E)-7-メチルオクタ-2,6-ジエン-1-オール(72)を得た(2工程の収率88%)。
Mp 90-91℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.44 (1H, s, Ar-OH), 5.55-5.51 (2H, m, CH=CH), 5.40 (1H, m, CH=C(CH3)CH2OPiv), 4.42 (2H, s, CH 2OPiv), 3.37 (2H, d, J = 4.8 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.09-2.04 (4H, m, CH 2CH 2), 1.60 (3H, s, CH 3), 1.21 (9H, s, C(CH 3)3). IR (KBr) 3293, 2972, 1724, 1622, 1622, 1425, 1283, 1227, 1167, 1117, 976, 893, 781, 592 cm-1。
8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-2-methyloctyl pivalate (化合物279-12-OPiv).
Scheme 15の合成方法(g)と同じ方法により化合物278-12-OPivを還元して化合物279-12-OPiv(収率84%)を得た。
1H-NMR (400 MHz, CDCl3)δ12.66 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.36 (1H, br, Ar-OH), 3.94 (1H, dd, J = 5.8, 10.6 Hz, CH 2OPiv) 3.82 (1H, dd, J = 6.6, 10.6 Hz, CH 2OPiv) 2.66 (2H, t, J = 7.9 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 1.82-1.72 (1H, m, CH), 1.60-1.49 (4H, m, 2 x CH 2), 1.40-1.28 {6H, br, (CH 2 )3}, 1.20 {9H, s, C(CH 3)3}, 0.91 (3H, d, J = 6.6 Hz, CH 3). IR (KBr) 3393, 2961, 2930, 2857, 1724, 1717, 1630, 1460, 1422, 1375, 1288, 1248, 1165, 1128, 1034, 982, 806, 772, 710, 590 cm-1. HRMS (EI) calcd. for C22H33ClO5(m/z) 412.2017, found 412.2025。
21.化合物287-12-OPiv,287-12-OCOiPr
NaH (60% in oil, 0.820 g, 20.5 mmol) のTHF (30 ml) 懸濁液に0℃でtriethyl phosphonoacetate (3.6 ml, 18 mmol) を加え、室温に戻しながら30分撹拌した。反応溶液を再び℃に冷却し、これにacetonylacetone (化合物76, 1.0 ml, 8.2 mmol) を滴下し、室温に戻しながら15時間撹拌した。H2Oでquenchし、5分間撹拌した後、有機層を分取し、水層をEtOAcで2回抽出した。合わせた有機層をsat. aq. NaClで洗い、Na2SO4で乾燥した。溶媒を留去した後、残さをシリカゲルカラムクロマトグラフィー (hexane : EtOAc = 10:1) に供し、対応するジエステルを(E,E)-体、(E,Z)-体、(Z,Z)-体およびそれらの混合物に分画した。
(E,E)-isomer; 0.513 g (25% yield). 1H NMR (400 MHz, CDCl3)δ5.67 (2H, s, 2 x C=CHCO2Et), 4.15 (4H, q, J = 7.1 Hz, 2 x CO2CH 2CH3), 2.31 (4H, s, CH 2CH 2), 2.17 (6H, s, 2 x CH=CCH 3), 1.28 (6H, t, J = 7.1 Hz, x CO2CH 2CH3)。
1H NMR (400 MHz, CDCl3)δ5.41 (1H, t, J = 7.0 Hz, C=CHCH2OPiv), 5.30 (1H, t, J = 7.0 Hz, C=CHCH2OH), 4.56 (2H, d, J = 7.0 Hz, CH 2OPiv), 4.14 (2H, d, J = 7.0 Hz, CH 2OH), 2.15 (4H, s, CH 2CH2), 1.71 (3H, s, CH 3), 1.67 (3H, s, CH 3), 1.23 (1H, s, OH), 1.19 {9H, s, C(CH 3)3}。
Mp 78-79℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.48 (1H, s, Ar-OH), 5.28 (1H, t, J = 7.0 Hz, C=CHCH2OPiv), 5.22 (1H, t, J = 7.1 Hz, ArCH2CH=C), 4.52 (2H, d, J = 7.0 Hz, C=CHCH 2OPiv), 3.39 (2H, d, J = 7.0 Hz, ArCH 2CH=C), 2.61 (3H, s, Ar-CH 3), 2.10 (4H, br, CH 2CH 2), 1.78 (3H, s, CH 3), 1.66 (3H, s, CH 3), 1.19 {9H, s, C(CH 3)3}. IR (KBr) 3356, 2970, 2932, 1728, 1620, 1526, 1479, 1460, 1424, 1373, 1281, 1231, 1207, 1153, 1113, 1033, 964, 903, 868, 789, 594, 581 cm-1。
(2E,6E)-8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-3,6-dimethyl-2,6-octadienyl isobutylate (化合物287-12-OCO i Pr).
Mp 62-63℃. 1H-NMR (400 MHz, CDCl3)δ12.69 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.48 (1H, s, Ar-OH), 5.28 (1H, t, J = 6.8 Hz, C=CHCH2O), 5.22 (1H, t, J = 7.3 Hz, ArCH2CH=C), 4.53 (2H, d, J = 6.8 Hz, C=CHCH 2O), 3.39 (2H, d, J = 7.3 Hz, ArCH 2CH=C), 2.61 (3H, s, Ar-CH 3), 2.57-2.50 {1H, m, CH(CH3)2}, 2.10 (4H, br, CH 2CH 2), 1.78 (3H, s, CH 3), 1.66 (3H, s, CH 3), 1.16 {6H, d, J = 7.3 Hz, CH(CH 3)2}. IR (KBr) 3273, 2974, 2934, 1732, 1620, 1526, 1470, 1452, 1425, 1376, 1283, 1256, 1231, 1209, 1153, 1109, 1065, 961, 889, 791, 716, 629, 586 cm-1。
22.化合物284-8,285-8
Scheme 22
3-Chloro-4,6-dihydroxy-5-(2-octynyl)-2-methylbenzaldehyde (化合物284-8).
芳香環部分112と市販の1-ブロモ-2-オクチン(化合物79)を原料として、Scheme 15の合成方法(f)と同じ操作で添加剤として塩化マグネシウムを用いて反応させることにより、目的物284-8(収率21%)を得た。
Mp 135-136℃. 1H-NMR (400 MHz, CDCl3)δ12.81 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 7.03 (1H, s, Ar-OH), 3.59 (2H, d, J = 2.6 Hz, Ar-CH 2), 2.62 (3H, s, Ar-CH 3), 2.16-2.13 (2H, m, CCCH 2), 1.49 (2H, m, CH 2), 1.35-1.25 (4H, m, CH 2CH 2), 0.88 (3H, t, J = 7.0 Hz, CH2CH 3). IR (KBr) 3200, 2963, 2930, 1610, 1460, 1425, 1285, 1227, 1194, 1132, 1119, 887, 759, 713, 637, 584, 536 cm-1。
3-Chloro-4,6-dihydroxy-2-methyl-5-(7-methyl-6-octen-2-ynyl)benzaldehyde (化合物285-8).
前述のScheme 20で合成したアルコール71を側鎖用原料としてScheme 20の(h), (i)と同じ操作により目的物285-8を合成した。
Mp 138℃. 1H-NMR (400 MHz, CDCl3)δ12.81 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 7.04 (1H, s, Ar-OH), 5.12 {1H, m, CH=C(CH3)2}, 3.59 (2H, s, Ar-CH 2), 2.62 (3H, s, Ar-CH 3), 2.16 (4H, br, CH 2CH 2), 1.68 (3H, s, CH 3), 1.59 (3H, s, CH 3). IR (KBr) 3198, 2967, 2924, 1618, 1452, 1429, 1285, 1229, 1186, 1113, 893, 791, 588, 538 cm-1. HRMS (EI) calcd. for C17H19ClO3 (m/z) 306.1023, found 306.1049。
23.化合物288-12-Piv,215-12-Piv
文献既知の方法(K. Mori and S. Takechi, Tetrahedron, 1985, 41, 3049-3062)により、アルデヒド8と3,3-ジメチル-2-ブタノンとを反応させて付加体80を得た(収率59%)。
1H-NMR (400 MHz, CDCl3)δ13.06 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 6.95 (1H, dt, J = 15.0, 7.3 Hz), 6.68 (1H, s, Ar-OH), 6.64 (1H, dt, J = 16.1, 6.8 Hz), 6.52 (1H, d, J = 16.1 Hz), 6.50 (1H, d, J = 15.0 Hz), 2.62 (3H, s, Ar-CH 3), 2.19-2.30 (4H, m, allylic CH 2), 1.60-1.35 (6H, m, -(CH 2)3-), 1.15 (9H, s, C(CH 3)3)。
3-Chloro-4,6-dihydroxy -5-(11,11-dimethyl-10-oxo-dodecyl)-2-methylbenzaldehyde(化合物215-12-Piv).
Scheme 1の(g)と同じ方法により化合物288-12-Pivを還元して目的物215-12-Pivを得た(収率79%)。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.40 (1H, br s, Ar-OH), 2.71-2.57 (6H, m + s (δ2.60)), 2.49-2.35 (1H, m), 1.61-1.20 (14H, -(CH 2)7-), 1.13 (9H, s, C(CH 3)3)。
24.化合物289-12-OPiv,290-12-Opiv。
Scheme 24
(2E,6E)-8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-6-methyl-2,6-octadienyl pivalate (化合物289-12-OPiv).
文献既知のTHPエーテル83(Tetrahedron Lett., 2001, 42, 2205-2208)(5.56 g, 21.2 mmol)をCH2Cl2(115 ml)に溶かし、ピリジン(5.1 ml, 63.6 mmol)を加えて-80℃に冷却した。この溶液中にオゾンをバブルさせながら5時間激しく攪拌した。反応器中をアルゴン置換してからPh3P (16.603g, 63.6mmol, 3.0eq.)を加え、室温に戻しながら12時間攪拌した。後処理して得られた残渣をシリカゲルカラムクロマトグラフィー(hexane:EtOAc=10:1)により精製し、アルデヒド84(1.96 g, 収率44%)を得た。
1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.46 (1H, s, Ar-OH), 5.69 (1H. dt, J = 6.0, 15.4 Hz, CH=C), 5.22 (1H. dt, J = 5.8, 15.4 Hz, CH=C), 5.22 (1H, t, J = 7.0 Hz, ArCH2CH=C), 4.46 (2H, d, J = 5.9 Hz, CH 2OPiv), 3.39 (2H, d, J = 7.3 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.18-2.12 (2H, m, CH 2), 2.07-2.03 (2H, m, CH 2), 1.78 (3H, s, CH 3), 1.56 (3H, s, CH 3), 1.19 {9H, s, C(CH 3)3}. IR (KBr) 3273, 2974, 2932, 1728, 1618, 1479, 1452, 1424, 1281, 1229, 1159, 1107, 963, 905, 783, 714, 592, 538 cm-1。
8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-6-methyloctyl pivalate (化合物290-12-OPiv).
方法(h)(前述のScheme 15の合成方法 (g)と同じ方法)によって289-12-OPivを還元して目的物290-12-OPivを得た(収率63%)。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.38 (1H, s, Ar-OH), 4.05 (2H, t, J = 6.6 Hz, CH 2OPiv), 2.67-2.63 (2H, m, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 1.64-1.61 (2H, m, CH 2), 1.55-1.30 (7H, m, CHCH3 & CH 2CH 2), 1.23-1.17 (2H, m, CH 2), 1.19 {9H, s, C(CH 3)3}, 0.95 {3H, d, J = 6.6 Hz, CH(CH 3)CH2}.IR (KBr) 3380, 2932, 2868, 1717, 1630, 1460, 142, 1375, 1327, 1290, 1248, 1163, 1126, 802, 709, 629, 592 cm-1. HRMS (EI) calcd. for C22H33ClO5(m/z) 412.2017, found 412.2041。
25.化合物231-9-OMe
Scheme 25
前述のScheme 6で合成した216(コレトクロリンB, 74 mg, 0.23 mmol)のメタノール(5 ml)溶液に、濃硫酸(23 mg, 0.23 mmol)を加えた。30℃で15時間撹拌した後、飽和重曹水で中和し、酢酸エチルによる抽出、後処理を行い粗生成物(109 mg)を得た。分取TLC(hexane:EtOAc = 3/1)で精製し、目的物231-9-OMe(39 mg, 収率48%)を得た。
1H-NMR (400 MHz, CDCl3)δ1.11 (s, 6H, C(OCH3)(CH 3)2),1.34-1.43 (m, 4H, -CH=C(CH3)CH2CH 2CH 2-), 1.78 (s, 3H, -CH=C(CH 3)-), 1.91-2.00 (m, 2H, -CH=C(CH3)CH 2-), 2.60 (s, 3H, Ar-CH 3), 3.14 (s, 3H, C(OCH 3)(CH3)2), 3.40 (d, J = 7.0 Hz, 2H, Ar-CH 2CH=C(CH3)-), 5.22 (t, J = 7.0 Hz, 1H, ArCH2CH=C(CH3)-), 6.39 (br s, 1H, Ar-OH), 10.14 (s, 1H, Ar-CHO), 12.69 (s, 1H, Ar-OH)。
26.化合物236-13-OTHP, 236-9-OH, 236-12-OTHF, 236-12-OMOM, 274-9, 281-12
Scheme 26
3-Chloro-5-[(2E,6E)-3,7-dimethyl-8-(tetrahydropyran-2-yloxy)-2,6-octadienyl]-4,6-dihydroxy-2-methylbenzaldehyde (化合物236-13-OTHP).
文献既知(J. Braz. Chem. Soc. 2003, 14, 975-981)のアルコール30を、通常の方法(a)(前述のScheme 2の(a)と同じ方法)でアルコールを保護した化合物87に変換した(収率96%)。この化合物87(1.32 g, 4.46 mmol)のMeOH(8 ml)溶液にH2O(10 ml)とK2CO3(1.24 g, 8.92 mmol)を加え, 16時間撹拌した。エーテル抽出による後処理を行って得られた粗生成物を、カラムクロマトグラフィー(n-hexane/EtOAc=1/1)により精製し、アルコール90 (664 mg, 収率60%)を得た。
Mp 44-45℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.66 (1H, s, Ar-OH), 5.37 (1H, t, J = 6.8 Hz, CH2CH=C), 5.22 (1H, t, J = 7.1 Hz, CH2CH=C), 4.61 (1H, t, J = 3.5 Hz, THP(2)-H), 4.05 (1H, d, J= 11.9 Hz, C(CH3)CH 2O), 3.83-3.90 (1H, m, THP(6)-H), 3.83 (1H, d, J = 11.9 Hz, C(CH3)CH 2O), 3.48-3.54 (1H, m, THP(6)-H), 3.37-3.41 (2H, m, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.0-2.2 (4H, m, C(CH3)CH 2CH 2CH=C),1.6-1.9 (12H, m + s (δ1.77, CH 3) + s (δ1.62, CH 3), THP(3,4,5)-H 2). IR (KBr) 3200-3500, 1613, 1424, 1281, 1250, 1233, 1111 cm-1. Calcd for C23H31ClO5: C, 65.32; H, 7.39; Cl, 8.38%. Found: C, 65.18; H, 7.36; Cl, 8.41%。
3-Chloro-4,6-dihydroxy-5-[(2E,6E)-8-hydroxy-3,7-dimethyl-2,6-octadienyl]-2-methylbenzaldehyde (化合物236-9-OH).
上記で得られた化合物236-13-OTHPを、方法(g)(前述のScheme 2の(d)と同じ方法)で脱THP化を行い、目的物236-9-OHを得た(収率90%)。
Mp 99.0-99.7℃. H-NMR (400 MHz, CDCl3)δ12.72 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 5.34 (1H, t, J = 6.6 Hz, CH2CH=C), 5.22 (1H, t, J = 6.9 Hz, CH2CH=C), 3.97 (2H, d, J = 6.9 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.0-2.2 (4H, m, C(CH3)CH 2CH 2CH=C), 1.78 (3H, s, CH 3), 1.64 (3H,, s, CH 3). HRMS (DART) calcd for C18H22ClO3 (M-OH) 321.1257, found 321.1235。
3-Chloro-5-[(2E,6E)-3,7-dimethyl-8-(tetrahydrofuran-2-yloxy)-2,6-octadienyl]-4,6-dihydroxy-2-methylbenzaldehyde (化合物236-12-OTHF).
上記のアルコール30を、通常の方法(b)(前述のScheme 2の(a)と同じ方法。ただしジヒドロピラン(DHP)をジヒドロフラン(DHF)に替えた方法)でアルコールのTHF化を行い、化合物88を得た(収率97%)。続いて上記の方法(d)により同様のアルコール 91 (収率60%)に変換した。次に、方法(e),(f)(前述のScheme 15の合成方法(e),(f)と同じ方法)によって目的物236-12-OTHFを得た(2工程で収率13%)。
Mp 35-36℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.71 (1H, s, Ar-OH), 5.36 (1H, t, J = 7.0 Hz, CH2CH=C), 5.22 (1H, t, J = 7.0 Hz, CH2CH=C), 5.11 (1H, dd, J = 2.6, 4.0 Hz, THF(2)-H), 3.98 (1H, d, J = 11.7 Hz, C(CH3)CH 2O), 3.85-3.94 (2H, m, THF(5)-H 2), 3.81 (1H, d, J = 11.7 Hz, C(CH3)CH 2O), 3.34-3.44 (2H, m, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 1.8-2.2 (8H, m, C(CH3)CH 2CH 2CH=C and THF(3,4)-H 2), 1.77 (s, CH 3), 1.60 (s, CH 3). IR (KBr) 3150-3350, 1613, 1422, 1283, 1250, 1234, 1109, 1024 cm-1. HRMS (DART) calcd for C22H30ClO5 (MH+) 409.1782, found: 409.1758。
3-Chloro-5-[(2E,6E)-3,7-dimethyl-8-(methoxymethoxy)-2,6-octadienyl)-4,6-dihydroxy-2-methylbenzaldehyde (236-12-OMOM).
上記のアルコール30を、通常の方法(c)(J. Am. Chem. Soc. 1977, 99, 1275-1276)でメトキシメチル化を行い、化合物89を得た(収率71%)。続いて上記の方法(d)によりアルコール 92 (収率80%)に変換した。次に、92を方法(e),(f)(前述のScheme 15の合成方法(e),(f)と同じ方法)によって処理して、目的物236-12-OMOMを得た(2工程で収率12%)。
Mp 49-50℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.65 (1H, s, Ar-OH), 5.37 (1H, t, J = 6.4 Hz, CH2CH=C), 5.24 (1H, t, J = 6.4 Hz, CH2CH=C), 4.59 (2H, s, OCH 2O), 3.89 (2H, s, C(CH3)CH 2O), 3.39 (2H, d, J = 6.4 Hz, Ar-CH 2), 3.38 (3H, s, OCH 3), 2.61 (3H, s, Ar-CH 3), 2.11-2.17 (2H, m, C(CH3)CH 2CH 2CH=C), 2.01-2.06 (2H, m, C(CH3)CH 2CH 2CH=C), 1.77 (s, CH 3), 1.63 (s, CH 3). IR (KBr) 3200-3400, 1631, 1422, 1288, 1254, 1022, 903 cm-1. Calcd for C20H27ClO5: C, 62.74; H, 7.11; Cl, 9.26%. Found: C, 62.64; H, 7.09; Cl, 9.22%。
3-Chloro-5-[(2E,6E)-3,7-dimethyl-8-oxo-2,6-octadienyl]-4,6-dihydroxy-2-methylbenzaldehyde (化合物274-9).
文献既知のアルデヒド31(Tetrahedron 1974, 30, 715-718)を、上記の方法(d)で脱アセチル化して化合物93を得た(収率90%)。次に、93を方法(e),(f)(前述のScheme 15の合成方法(e),(f)と同じ方法)によって処理して、目的物274-9を得た(2工程で収率27%)。
Mp 111.2-111.4℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 9.31 (1H, s, C(CH3)-CHO), 6.41 (1H, t, J = 7.4 Hz, CH2CH=C), 6.35 (1H, s, Ar-OH), 5.26 (1H, t, J = 6.8 Hz, CH2CH=C), 3.40 (2H, d, J = 7.4 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.4-2.5 (2H, m, C(CH3)CH2CH 2CH=C), 2.1-2.2 (2H, m, C(CH3)CH 2CH2CH=C), 1.81 (3H, s, CH 3), 1.70 (3H, s, CH 3). MS (EI) m/z 338 (5, M+2), 336 (13, M+)。
3-Chloro-5-[(2E,6E)-3,7-dimethyl-9-(3,3-dimethyloxiran-2-yl)-2,6-nonadienyl]-4,6-dihydroxy-2-methylbenzaldehyde (化合物281-12).
文献既知のアルコ−ル94(Org. Lett. 2006, 8, 5649-5652)を用いて、方法(e),(f)(前述のScheme 15の合成方法(e),(f)と同じ方法)によって処理して、目的物281-12を得た(2工程で収率4%)。
Mp 36-37℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.57 (1H, s, Ar-OH), 5.21 (1H, t, J = 7.1 Hz, CH2CH=C), 5.11 (1H, t, J = 6.2 Hz, CH2CH=C), 3.39 (2H, d, J = 7.1 Hz, Ar-CH 2), 2.69 (1H, t, J = 6.2 Hz, oxiran(2)-H), 2.61 (3H, s, Ar-CH 3), 1.96-2.12 (6H, m, C(CH3)CH 2CH 2CH=C(CH3)CH 2), 1.78 (s, CH 3), 1.56-1.64 (5H, m + s (δ 1.59), nonadienyl(9)-H 2 and CH 3), 1.30 (s, CH 3), 1.25 (s, CH 3). IR (KBr) 3300-3500, 1614, 1418, 1281, 1250, 1233, 1109 cm-1。
27.化合物509-11
Scheme 27
・ PPTS; (d) K2CO3, MeOH, H2O; (e) n-BuLi, LiBr, p-TsOH; (f) 112, KOH/CaCl2, MeOH。
3-Chloro-5-((2E,6E)-7-(4,5-dimethyl-1,3-dioxolan-2-yl)-3-methyl-2,6-octadienyl)-4,6-dihydroxy-2-methylbenzaldehyde (化合物509-11)
市販品29から方法(a)により得られる文献既知のアルデヒド95 (J. Am. Chem. Soc. 2005, 127, 7014-7024)を、方法(b)(Org. Lett. 2007, 9, 1461-1464)により炭素鎖を伸ばした30に変換した(2工程で収率55%)。
Mp. 91.5-92.3℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, CHO), 6.67 (1H, s, Ar-OH), 5.54 (1H, t, J = 7.3 Hz, CH=C), 5.23 (1H, s, dioxolan(2)-H), 5.19 (1H, t, J= 7.2 Hz, CH=C), 3.51-3.71 (2H, m, dioxolan(4,5)-H), 3.33-3.44 (2H, m, Ar-CH 2), 2.60 (3H, s, Ar-CH 3), 2.14-2.20 (2H, m, CH 2), 2.01-2.07 (2H, m, CH 2), 1.76 (3H, s, CH 3), 1.61 (3H, s, CH 3), 1.31-1.33 (3H, m, CH 3), 1.25-1.27 (3H, m, CH 3). IR (KBr) 3100-3400, 1618, 1424, 1279, 1250, 1231, 1109, 1086, 667 cm-1. HRMS (DART) calcd for C22H30ClO5 (MH+) 409.1782, found 409.1757。
28.化合物503-12-OPiv
Scheme 28
(2E,6E)-8-(3-Chloro-2,6-dihydroxy-5-hydroxymethyl-4-methylphenyl)-2,6-dimethyl-2,6-octadienyl pivalate (化合物503-12-OPiv)
前述のScheme 15で得られた234-12-OPivを、方法(a)(前述のScheme 15の合成方法(b)と同じ方法)によって処理して、目的物503-12-OPivを得た(収率40%)。
1H-NMR (400 MHz, CDCl3)δ7.54 (1H, s, ArOH), 5.72 (1H, s, ArOH), 5.34 (1H, t, J = 7.0 Hz, CH2CH=C), 5.23 (1H, t, J = 7.0 Hz, ArCH2CH=C), 4.86 (2H, s, ArCH 2OH), 4.32 (2H, s, CH 2OPiv), 3.41 (2H, d, J = 7.0 Hz, ArCH 2), 2.74 (1H, br s, ArCH2OH), 2.31 (3H, s, ArCH 3), 2.12-2.18 (2H, m, CH 2), 2.03-2.08 (2H, m, CH 2), 1.79 (3H, s, CH 3), 1.57 (3H, s, CH 3), 1.19 (9H, s, C(CH 3)3); IR (KBr) 3300-3500, 1715, 1614, 1456, 1285, 1231, 1159, 1096 cm-1. HRMS (DART) calcd for C23H32ClO5 (M-H) 423.1938, found 423.1912。
24.化合物289-12-OPiv,290-12-Opiv
Scheme 29
yl chloride, pyridine, CHCl3; (e) PPTS, EtOH; (f) CBr4, (octyl)3P, Et2O; (g) 112, KOH/CaCl2, MeOH; (h) H2, Pd/C, EtOAc。
(2E,6E)-8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-6-methyl-2,6-octadienyl pivalate (化合物289-12-OPiv).
文献既知のTHPエーテル83(Tetrahedron Lett., 2001, 42, 2205-2208)(5.56 g, 21.2 mmol)をCH2Cl2(115 ml)に溶かし、ピリジン(5.1 ml, 63.6 mmol)を加えて-80℃に冷却した。この溶液中にオゾンをバブルさせながら5時間激しく攪拌した。反応器中をアルゴン置換してからPh3P (16.603g, 63.6mmol, 3.0eq.)を加え、室温に戻しながら12時間攪拌した。後処理して得られた残渣をシリカゲルカラムクロマトグラフィー(hexane:EtOAc=10:1)により精製し、アルデヒド84 (1.96 g, 収率44%)を得た。
1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.46 (1H, s, Ar-OH), 5.69 (1H. dt, J = 6.0, 15.4 Hz, CH=C), 5.22 (1H. dt, J = 5.8, 15.4 Hz, CH=C), 5.22 (1H, t, J = 7.0 Hz, ArCH2CH=C), 4.46 (2H, d, J = 5.9 Hz, CH2OPiv), 3.39 (2H, d, J = 7.3 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.18-2.12 (2H, m, CH 2), 2.07-2.03 (2H, m, CH 2), 1.78 (3H, s, CH 3), 1.56 (3H, s, CH 3), 1.19 {9H, s, C(CH 3)3}. IR (KBr) 3273, 2974, 2932, 1728, 1618, 1479, 1452, 1424, 1281, 1229, 1159, 1107, 963, 905, 783, 714, 592, 538 cm-1。
8-(3-Chloro-5-formyl-2,6-dihydroxy-4-methylphenyl)-6-methyloctyl pivalate (化合物290-12-OPiv).
方法(h)(前述のScheme 15の合成方法 (g)と同じ方法)によって289-12-OPivを還元して目的物290-12-OPivを得た(収率63%)。
1H-NMR (400 MHz, CDCl3)δ12.65 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.38 (1H, s, Ar-OH), 4.05 (2H, t, J = 6.6 Hz, CH 2OPiv), 2.67-2.63 (2H, m, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 1.64-1.61 (2H, m, CH 2), 1.55-1.30 (7H, m, CHCH3 & CH 2CH 2), 1.23-1.17 (2H, m, CH 2), 1.19 {9H, s, C(CH 3)3}, 0.95 {3H, d, J = 6.6 Hz, CH(CH 3)CH2}.IR (KBr) 3380, 2932, 2868, 1717, 1630, 1460, 142, 1375, 1327, 1290, 1248, 1163, 1126, 802, 709, 629, 592 cm-1. HRMS (EI) calcd. for C22H33ClO5(m/z) 412.2017, found 412.2041。
25.化合物231-9-Ome
Scheme 30
前述のScheme 6で合成した化合物216(コレトクロリンB, 74 mg, 0.23 mmol)のメタノール(5 ml)溶液に、濃硫酸(23 mg, 0.23 mmol)を加えた。30℃で15時間撹拌した後、飽和重曹水で中和し、酢酸エチルによる抽出、後処理を行い粗生成物 (109 mg)を得た。分取TLC(hexane:EtOAc = 3/1)で精製し、目的物231-9-OMe (39 mg, 収率48%)を得た。
1H-NMR (400 MHz, CDCl3)δ1.11 (s, 6H, C(OCH3)(CH 3)2),1.34-1.43 (m, 4H, -CH=C(CH3)CH2CH 2CH 2-), 1.78 (s, 3H, -CH=C(CH 3)-), 1.91-2.00 (m, 2H, -CH=C(CH3)CH 2-), 2.60 (s, 3H, Ar-CH 3), 3.14 (s, 3H, C(OCH 3)(CH3)2), 3.40 (d, J = 7.0 Hz, 2H, Ar-CH 2CH=C(CH3)-), 5.22 (t, J = 7.0 Hz, 1H, ArCH2CH=C(CH3)-), 6.39 (br s, 1H, Ar-OH), 10.14 (s, 1H, Ar-CHO), 12.69 (s, 1H, Ar-OH )。
26.化合物236-13-OTHP, 236-9-OH, 236-12-OTHF, 236-12-OMOM, 274-9, 281-12
Scheme 31
3-Chloro-5-[(2E,6E)-3,7-dimethyl-8-(tetrahydropyran-2-yloxy)-2,6-octadienyl]-4,6-dihydroxy-2-methylbenzaldehyde (化合物236-13-OTHP).
文献既知(J. Braz. Chem. Soc. 2003, 14, 975-981)のアルコール30を、通常の方法(a)(前述のScheme 2の(a)と同じ方法)でアルコールを保護した化合物87に変換した(収率96%)。この化合物87(1.32 g, 4.46 mmol)のMeOH(8 ml)溶液にH2O(10 ml)とK2CO3(1.24 g, 8.92 mmol)を加え, 16時間撹拌した。エーテル抽出による後処理を行って得られた粗生成物を、カラムクロマトグラフィー(n-hexane/EtOAc=1/1)により精製し、アルコール90 (664 mg, 収率60%)を得た。
Mp 44-45℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.66 (1H, s, Ar-OH), 5.37 (1H, t, J = 6.8 Hz, CH2CH=C), 5.22 (1H, t, J = 7.1 Hz, CH2CH=C), 4.61 (1H, t, J = 3.5 Hz, THP(2)-H), 4.05 (1H, d, J= 11.9 Hz, C(CH3)CH 2O), 3.83-3.90 (1H, m, THP(6)-H), 3.83 (1H, d, J = 11.9 Hz, C(CH3)CH 2O), 3.48-3.54 (1H, m, THP(6)-H), 3.37-3.41 (2H, m, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.0-2.2 (4H, m, C(CH3)CH 2CH 2CH=C), 1.6-1.9 (12H, m + s (δ1.77, CH 3) + s (δ1.62, CH 3), THP(3,4,5)-H 2). IR (KBr) 3200-3500, 1613, 1424, 1281, 1250, 1233, 1111 cm-1. Calcd for C23H31ClO5: C, 65.32; H, 7.39; Cl, 8.38%. Found: C, 65.18; H, 7.36; Cl, 8.41%。
3-Chloro-4,6-dihydroxy-5-[(2E,6E)-8-hydroxy-3,7-dimethyl-2,6-octadienyl]-2-methylbenzaldehyde (化合物236-9-OH).
上記で得られた236-13-OTHPを、方法(g)(前述のScheme 2の(d)と同じ方法)で脱THP化を行い、目的物236-9-OHを得た(収率90%)。
Mp 99.0-99.7℃. H-NMR (400 MHz, CDCl3)δ12.72 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 5.34 (1H, t, J = 6.6 Hz, CH2CH=C), 5.22 (1H, t, J = 6.9 Hz, CH2CH=C), 3.97 (2H, d, J = 6.9 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.0-2.2 (4H, m, C(CH3)CH 2CH 2CH=C), 1.78 (3H, s, CH 3), 1.64 (3H,, s, CH3). HRMS (DART) calcd for C18H22ClO3 (M-OH) 321.1257, found 321.1235。
3-Chloro-5-[(2E,6E)-3,7-dimethyl-8-(tetrahydrofuran-2-yloxy)-2,6-octadienyl]-4,6-dihydroxy-2-methylbenzaldehyde (化合物236-12-OTHF).
上記のアルコール30を、通常の方法(b)(前述のScheme 2の(a)と同じ方法。ただしジヒドロピラン(DHP)をジヒドロフラン(DHF)に替えた方法)でアルコールのTHF化を行い、化合物88を得た(収率97%)。続いて上記の方法(d)により同様のアルコール 91 (収率60%)に変換した。次に、方法(e),(f)(前述のScheme 15の合成方法(e),(f)と同じ方法)によって目的物236-12-OTHFを得た(2工程で収率13%)。
Mp 35-36℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.71 (1H, s, Ar-OH), 5.36 (1H, t, J = 7.0 Hz, CH2CH=C), 5.22 (1H, t, J = 7.0 Hz, CH2CH=C), 5.11 (1H, dd, J = 2.6, 4.0 Hz, THF(2)-H), 3.98 (1H, d, J = 11.7 Hz, C(CH3)CH 2O), 3.85-3.94 (2H, m, THF(5)-H 2), 3.81 (1H, d, J = 11.7 Hz, C(CH3)CH 2O), 3.34-3.44 (2H, m, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 1.8-2.2 (8H, m, C(CH3)CH 2CH 2CH=C and THF(3,4)-H 2), 1.77 (s, CH 3), 1.60 (s, CH 3). IR (KBr) 3150-3350, 1613, 1422, 1283, 1250, 1234, 1109, 1024 cm-1. HRMS (DART) calcd for C22H30ClO5 (MH+) 409.1782, found: 409.1758。
3-Chloro-5-[(2E,6E)-3,7-dimethyl-8-(methoxymethoxy)-2,6-octadienyl]-4,6-dihydroxy-2-methylbenzaldehyde (化合物236-12-OMOM).
上記のアルコール30を、通常の方法(c)(J. Am. Chem. Soc. 1977, 99, 1275-1276)でメトキシメチル化を行い、化合物89を得た(収率71%)。続いて上記の方法(d)によりアルコール 92 (収率80%)に変換した。次に、92を方法(e),(f)(前述のScheme 15の合成方法(e),(f)と同じ方法)によって処理して、目的物236-12-OMOMを得た(2工程で収率12%)。
Mp 49-50℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.65 (1H, s, Ar-OH), 5.37 (1H, t, J = 6.4 Hz, CH2CH=C), 5.24 (1H, t, J = 6.4 Hz, CH2CH=C), 4.59 (2H, s, OCH 2O), 3.89 (2H, s, C(CH3)CH 2O), 3.39 (2H, d, J = 6.4 Hz, Ar-CH 2), 3.38 (3H, s, OCH 3), 2.61 (3H, s, Ar-CH 3), 2.11-2.17 (2H, m, C(CH3)CH 2CH 2CH=C), 2.01-2.06 (2H, m, C(CH3)CH 2CH 2CH=C), 1.77 (s, CH 3), 1.63 (s, CH 3). IR (KBr) 3200-3400, 1631, 1422, 1288, 1254, 1022, 903 cm-1. Calcd for C20H27ClO5: C, 62.74; H, 7.11; Cl, 9.26%. Found: C, 62.64; H, 7.09; Cl, 9.22%。
3-Chloro-5-[(2E,6E)-3,7-dimethyl-8-oxo-2,6-octadienyl]-4,6-dihydroxy-2-methylbenzaldehyde (化合物274-9).
文献既知のアルデヒド31(Tetrahedron 1974, 30, 715-718)を、上記の方法(d)で脱アセチル化して化合物93を得た(収率90%)。次に、93を方法(e),(f)(前述のScheme 15の合成方法(e),(f)と同じ方法)によって処理して、目的物274-9を得た(2工程で収率27%)。
Mp 111.2-111.4℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.15 (1H, s, Ar-CHO), 9.31 (1H, s, C(CH3)-CHO), 6.41 (1H, t, J = 7.4 Hz, CH2CH=C), 6.35 (1H, s, Ar-OH), 5.26 (1H, t, J = 6.8 Hz, CH2CH=C), 3.40 (2H, d, J = 7.4 Hz, Ar-CH 2), 2.61 (3H, s, Ar-CH 3), 2.4-2.5 (2H, m, C(CH3)CH2CH 2CH=C), 2.1-2.2 (2H, m, C(CH3)CH 2CH2CH=C), 1.81 (3H, s, CH 3), 1.70 (3H, s, CH 3). MS (EI) m/z 338 (5, M+2), 336 (13, M+)。
3-Chloro-5-[(2E,6E)-3,7-dimethyl-9-(3,3-dimethyloxiran-2-yl)-2,6-nonadienyl]-4,6-dihydroxy-2-methylbenzaldehyde (化合物281-12).
文献既知のアルコ−ル94(Org. Lett. 2006, 8, 5649-5652)を用いて、方法(e),(f)(前述のScheme 15の合成方法(e),(f)と同じ方法)によって処理して、目的物281-12を得た(2工程で収率4%)。
Mp 36-37℃. 1H-NMR (400 MHz, CDCl3)δ12.70 (1H, s, Ar-OH), 10.14 (1H, s, Ar-CHO), 6.57 (1H, s, Ar-OH), 5.21 (1H, t, J = 7.1 Hz, CH2CH=C), 5.11 (1H, t, J = 6.2 Hz, CH2CH=C), 3.39 (2H, d, J = 7.1 Hz, Ar-CH 2), 2.69 (1H, t, J = 6.2 Hz, oxiran(2)-H), 2.61 (3H, s, Ar-CH 3), 1.96-2.12 (6H, m, C(CH3)CH 2CH 2CH=C(CH3)CH 2), 1.78 (s, CH3), 1.56-1.64 (5H, m + s (δ 1.59), nonadienyl(9)-H 2and CH 3), 1.30 (s, CH 3), 1.25 (s, CH 3). IR (KBr) 3300-3500, 1614, 1418, 1281, 1250, 1233, 1109 cm-1。
[実施例1] DHOD阻害活性の測定
本発明の化合物を用いて、200nMおよび1000nMの濃度でDHOD阻害活性を測定した。
[実施例2] 抗癌作用
従来の抗癌剤は細胞分裂の過程に直接作用するが、腫瘍細胞への特異性は低く、正常細胞に対する傷害性が強いため、重篤な副作用発現が大きな問題となっていた。その後、腫瘍細胞の増殖、浸潤、転移に関する分子を標的にして、腫瘍細胞の増殖を抑制し、腫瘍細胞の進行を抑制するだけでなく、腫瘍の転移も抑制することのできる分子標的薬が登場した。
現在まで癌を克服するために様々な研究が重ねられてきた結果、早期癌の治療成績は飛躍的に向上した。しかし、進行性がんに対する治療は依然として困難で、癌は日本人の死因1位の座を示している。その理由は、進行性の固形癌は不完全な欠陥構築による還流不全のために、低酸素・低栄養などの内部環境を持つ部分(低酸素領域)が広く存在しているからである。すなわち、臨床に用いられている多くの抗癌剤は、低酸素および低栄養条件下では、その抗癌作用は明らかに減少することが判明している(Lue J. et.al.; Cancer Sci., 95, 6;547-552, 2004) 。このような領域では薬剤の到達が困難であること、細胞死を回避する形質を獲得していること、また、細胞分裂が不活発であることから、従来の化学療法に抵抗性を示すといわれている。
[処方例]
(a)錠剤1(1錠剤中の量)
本発明化合物 100mg
乳糖 182.75mg
クロスカルメロースナトリウム 12mg
トウモロコシデンプンペースト(5%w/vペースト) 2.25mg
ステアリン酸マグネシウム 3mg
(b)錠剤2(1錠剤中の量)
本発明化合物 50mg
乳糖 223.75mg
クロスカルメロースナトリウム 6mg
トウモロコシデンプン 15mg
ポリビニルピロリドン 2.25mg
ステアリン酸マグネシウム 3mg
(c)錠剤3(1錠剤中の量)
本発明化合物 1mg
乳糖 93.25mg
クロスカルメロースナトリウム 4mg
トウモロコシデンプンペースト(5%w/vペースト) 0.75mg
ステアリン酸マグネシウム 1mg
(d)カプセル剤(1カプセル中の量
本発明化合物 10mg
乳糖 488.5mg
ステアリン酸マグネシウム 1.5mg
(e)注射液1(1ml中の量)
本発明化合物 1%w/v
リン酸ナトリウム 3.6%w/v
0.1M水酸化ナトリウム水溶液 15%v/v
注射用水 これで100%にする
(f)注射液2(1ml中の量)
本発明化合物 0.1%w/v
リン酸ナトリウム 2.26%w/v
クエン酸 0.38%w/v
ポリエチレングリコール400 3.5%w/v
注射用水 これで100%にする。
Claims (22)
- 有効成分として式(I)
(式中、
Xは、ハロゲン原子を表し、
R1は、水素原子を表し、
R2は、炭素数1−7のアルキル基を表し、
R3は、−CHOを表し、
R4は、−CH2−CH=C(CH3)−R0(式中R0は、末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数1−12のアルキル基、末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数2−12のアルケニル基、または末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数2−12のアルキニル基を表す)を表す)
で示される化合物、それらの光学異性体、およびそれらの医薬上許容される塩のうち1種または2種以上、および医薬上許容される担体を含むジヒドロオロト酸脱水素酵素阻害剤。 - Xは、塩素原子を表し、
R2は、メチル基を表し、
R4は、−CH2−CH=C(CH3)−R0(式中R0は、末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数1−12のアルキル基、または末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数2−12のアルケニル基を表す)を表し、置換基を有する場合、当該置換基は、−O−CO−C(CH3)3、−O−CO−CH(CH3)2、−C(CH3)2−O−CH3、−O−(2−フリル)、−OH、−CH(OCH3)−CH2−CO−C(CH3)3、−CHO、−CO−O−CH3、−CO−CH3、−O−CO−CH3、−CO−C(CH3)3からなる群より選択される、
請求項1記載のジヒドロオロト酸脱水素酵素阻害剤。 - 式(I)で示される化合物が、
07−11−116−4
200−12−OCOiPr
231−9−OMe
234−12−OPiv
236−12−OTHF
236−9−OH
264−11−OPiv
264−8
271−12
274−9
275−10−COOMe
276−9
277−11−OAc
277−9−OH
280−12
281−12
287−12−OCOiPr
287−12−OPiv
CC−B
からなる群より選択される、
請求項1記載のジヒドロオロト酸脱水素酵素阻害剤。 - グリセロールを含む、請求項1ないし3のいずれか1項記載のジヒドロオロト酸脱水素酵素阻害剤。
- 免疫抑制剤として使用する、請求項1ないし4のいずれか1項記載のジヒドロオロト酸脱水素酵素阻害剤。
- リウマチ治療剤として使用する、請求項1ないし4のいずれか1項記載のジヒドロオロト酸脱水素酵素阻害剤。
- 抗癌剤として使用する、請求項1ないし4のいずれか1項記載のジヒドロオロト酸脱水素酵素阻害剤。
- 臓器移植における拒絶反応治療薬として使用する、請求項1ないし4のいずれか1項記載のジヒドロオロト酸脱水素酵素阻害剤。
- 糖尿病治療薬として使用する、請求項1ないし4のいずれか1項記載のジヒドロオロト酸脱水素酵素阻害剤。
- 抗ウイルス薬として使用する、請求項1ないし4のいずれか1項記載のジヒドロオロト酸脱水素酵素阻害剤。
- 抗H.ピロリ薬として使用する、請求項1ないし4のいずれか1項記載のジヒドロオロト酸脱水素酵素阻害剤。
- 有効成分として式(I)
(式中、
Xは、ハロゲン原子を表し、
R1は、水素原子を表し、
R2は、炭素数1−7のアルキル基を表し、
R3は、−CHOを表し、
R4は、−CH2−CH=C(CH3)−R0(式中R0は、末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数1−12のアルキル基、末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数2−12のアルケニル基、または末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数2−12のアルキニル基を表す)を表す)
で示される化合物、それらの光学異性体、およびそれらの医薬上許容される塩のうち1種または2種以上を含むジヒドロオロト酸脱水素酵素阻害剤並びにその使用説明書を含むキット。 - Xは、塩素原子を表し、
R2は、メチル基を表し、
R4は、−CH2−CH=C(CH3)−R0(式中R0は、末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数1−12のアルキル基、または末端の炭素上および/若しくは非末端の炭素上に置換基を有していてもよい炭素数2−12のアルケニル基を表す)を表し、置換基を有する場合、当該置換基は、−O−CO−C(CH3)3、−O−CO−CH(CH3)2、−C(CH3)2−O−CH3、−O−(2−フリル)、−OH、−CH(OCH3)−CH2−CO−C(CH3)3、−CHO、−CO−O−CH3、−CO−CH3、−O−CO−CH3、−CO−C(CH3)3からなる群より選択される、
請求項12記載のキット。 - 式(I)で示される化合物が、
07−11−116−4
200−12−OCOiPr
231−9−OMe
234−12−OPiv
236−12−OTHF
236−9−OH
264−11−OPiv
264−8
271−12
274−9
275−10−COOMe
276−9
277−11−OAc
277−9−OH
280−12
281−12
287−12−OCOiPr
287−12−OPiv
CC−B
からなる群より選択される、
請求項12記載のキット。 - グリセロールを含む、請求項12ないし14のいずれか1項記載のキット。
- 免疫抑制剤として使用する、請求項12ないし15のいずれか1項記載のキット。
- リウマチ治療剤として使用する、請求項12ないし15のいずれか1項記載のキット。
- 抗癌剤として使用する、請求項12ないし15のいずれか1項記載のキット。
- 臓器移植における拒絶反応治療薬として使用する、請求項12ないし15のいずれか1項記載のキット。
- 糖尿病治療薬として使用する、請求項12ないし15のいずれか1項記載のキット。
- 抗ウイルス薬として使用する、請求項12ないし15のいずれか1項記載のキット。
- 抗H.ピロリ薬として使用する、請求項12ないし15のいずれか1項記載のキット。
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WO2003063849A1 (fr) * | 2002-01-31 | 2003-08-07 | Arigen, Inc. | Composition pharmaceutique destinee au diagnostic, a la prevention ou au traitement d'un syndrome multifactoriel |
JP2005126343A (ja) * | 2003-10-22 | 2005-05-19 | Inst Of Research & Innovation | 免疫抑制用薬剤組成物 |
JP2006213644A (ja) * | 2005-02-03 | 2006-08-17 | Nrl Pharma Inc | Ap−1活性阻害剤 |
WO2012060387A1 (ja) * | 2010-11-01 | 2012-05-10 | アリジェン製薬株式会社 | 新規ジヒドロキシベンゼン誘導体およびそれらを有効成分とする抗原虫剤 |
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JPS5625310B2 (ja) | 1972-03-07 | 1981-06-11 | ||
JPS5625310A (en) * | 1979-08-02 | 1981-03-11 | Tokyo Shibaura Electric Co | Package type generator facility |
EP0933633A1 (en) * | 1997-12-11 | 1999-08-04 | Hoechst Marion Roussel Deutschland GmbH | Process for obtaining L-dihydroorotic acid and use thereof |
EA019749B1 (ru) * | 2007-06-29 | 2014-06-30 | Джилид Сайэнс, Инк. | Противовирусные соединения |
WO2010005123A1 (en) * | 2008-07-07 | 2010-01-14 | Mazence Inc. | Composition for enhancing biosynthesis of hyaluronic acid or glycosaminoglycan comprising orotic acid, a salt thereof, or a derivative thereof |
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2013
- 2013-05-28 WO PCT/JP2013/064806 patent/WO2013180140A1/ja active Application Filing
- 2013-05-28 KR KR1020147035337A patent/KR102051693B1/ko active IP Right Grant
- 2013-05-28 EP EP13796766.7A patent/EP2857010B1/en not_active Not-in-force
- 2013-05-28 US US14/404,252 patent/US20150166498A1/en not_active Abandoned
- 2013-05-28 CN CN201380028569.2A patent/CN104582694B/zh not_active Expired - Fee Related
- 2013-05-28 JP JP2014518687A patent/JP6139517B2/ja active Active
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US3546073A (en) * | 1968-08-13 | 1970-12-08 | American Cyanamid Co | Fusarium fermentation |
JPH07278041A (ja) * | 1994-04-12 | 1995-10-24 | Banyu Pharmaceut Co Ltd | 抗腫瘍性物質be−24811及びその製造法 |
WO2000035867A1 (fr) * | 1998-12-14 | 2000-06-22 | Nuclear Receptor Research Limited | Nouveaux ligands d'un recepteur nucleaire |
WO2000053563A1 (fr) * | 1999-03-11 | 2000-09-14 | Nuclear Receptor Research Limited | Nouveaux ligands de recepteurs nucleaires ppar |
WO2003063849A1 (fr) * | 2002-01-31 | 2003-08-07 | Arigen, Inc. | Composition pharmaceutique destinee au diagnostic, a la prevention ou au traitement d'un syndrome multifactoriel |
JP2005126343A (ja) * | 2003-10-22 | 2005-05-19 | Inst Of Research & Innovation | 免疫抑制用薬剤組成物 |
JP2006213644A (ja) * | 2005-02-03 | 2006-08-17 | Nrl Pharma Inc | Ap−1活性阻害剤 |
WO2012060387A1 (ja) * | 2010-11-01 | 2012-05-10 | アリジェン製薬株式会社 | 新規ジヒドロキシベンゼン誘導体およびそれらを有効成分とする抗原虫剤 |
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Also Published As
Publication number | Publication date |
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JP6139517B2 (ja) | 2017-05-31 |
WO2013180140A1 (ja) | 2013-12-05 |
CN104582694B (zh) | 2018-10-02 |
KR20150022831A (ko) | 2015-03-04 |
EP2857010A1 (en) | 2015-04-08 |
US20160296494A1 (en) | 2016-10-13 |
KR102051693B1 (ko) | 2019-12-03 |
US9737504B2 (en) | 2017-08-22 |
US20150166498A1 (en) | 2015-06-18 |
EP2857010B1 (en) | 2018-07-04 |
EP2857010A4 (en) | 2016-03-09 |
CN104582694A (zh) | 2015-04-29 |
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