JP6380997B2 - トリアリールメタン化合物の製造方法 - Google Patents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
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- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/32—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen
- C07C1/321—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen the hetero-atom being a non-metal atom
- C07C1/322—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen the hetero-atom being a non-metal atom the hetero-atom being a sulfur atom
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- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
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- C07C315/00—Preparation of sulfones; Preparation of sulfoxides
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Description
で示されるトリアリールメタン化合物の製造方法であって、
(III)一般式(2):
で示されるジアリールメチルアリールスルホン化合物と、
一般式(3):
で示されるアリールボロン酸又はそのエステル化合物とを、パラジウム触媒及び含窒素複素環式カルベン配位子の存在下で反応させる工程
を備える、製造方法。
(II)一般式(4):
Ar1−CH2−SO2−Ar (4)
[式中、Ar1及びArは前記に同じである。]
で示されるアリールメチルアリールスルホン化合物と、
一般式(7):
Ar2−X1 (7)
[式中、Ar2は前記に同じ;X1はハロゲン原子である。]
で示されるハロゲン化アレーン化合物とを、パラジウム触媒及びホスフィン配位子の存在下で反応させる工程
を備える、項1〜5のいずれかに記載の製造方法。
(I)一般式(5):
CH3−SO2−Ar (5)
[式中、Arは前記に同じである。]
で示されるメチルアリールスルホン化合物と、
一般式(6):
Ar1−X2 (6)
[式中、Ar1は前記に同じ;X2はハロゲン原子である。]
で示されるハロゲン化アレーン化合物とを、パラジウム触媒及びホスフィン配位子の存在下で反応させる工程
を備える、項6又は7に記載の製造方法。
で示されるジアリールメチルアリールスルホン化合物。
本工程では、
(I)一般式(5):
CH3−SO2−Ar (5)
[式中、Arは置換又は無置換の芳香族基である。]
で示されるメチルアリールスルホン化合物と、
一般式(6):
Ar1−X2 (6)
[式中、Ar1は前記に同じ;X2はハロゲン原子である。]
で示されるハロゲン化アレーン化合物とを、パラジウム触媒及びホスフィン配位子の存在下で反応させる工程
により、アリールメチルアリールスルホン化合物を合成する。
本工程では、
(II)一般式(4):
Ar1−CH2−SO2−Ar (4)
[式中、Ar1及びArは前記に同じである。]
で示されるアリールメチルアリールスルホン化合物と、
一般式(7):
Ar2−X1 (7)
[式中、Ar2は前記に同じ;X1はハロゲン原子である。]
で示されるハロゲン化アレーン化合物とを、パラジウム触媒及びホスフィン配位子の存在下で反応させる工程
により、ジアリールメチルアリールスルホン化合物を合成する。
本工程では、
(III)一般式(2):
で示されるジアリールメチルアリールスルホン化合物と、
一般式(3):
で示されるアリールボロン酸又はそのエステル化合物とを、パラジウム触媒及び含窒素複素環式カルベン配位子の存在下で反応させる工程
により、目的化合物であるトリアリールメタン化合物を合成する。
等が挙げられる。
本発明において原料として用いられる一般式(2)で示されるジアリールメチルアリールスルホン化合物のうち、Ar1及びAr2の少なくとも一方がベンジルオキシ基で置換された芳香族基である化合物、すなわち、一般式(2a):
で示されるジアリールメチルアリールスルホン化合物は、文献未記載の新規化合物である。
(1)メチルフェニルスルホン化合物のアリール化(アリールメチルフェニルスルホン化合物の合成)
1H NMR (600 MHz, CDCl3) δ 4.31 (s, 2H), 7.07 (d, J = 7.8 Hz, 2H), 7.25 (t, J = 7.8 Hz, 2H), 7.31 (t, J = 7.8 Hz, 1H), 7.44 (t, J = 7.8 Hz, 2H), 7.59 (t, J = 7.8 Hz, 1H), 7.63 (d, J = 7.8Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 62.8, 128.0, 128.5, 128.6, 128.7, 128.8, 130.7, 133.6, 137.8.
HRMS (FAB) m/z calcd for C13H12O2SNa [M+Na]+: 254.0450, found 254.0462。
4−メチルフェニルメチルフェニルスルホン(4-Methylphenylmethyl phenyl sulfone (2b))
Purification by PTLC (EtOAc/hexane/CH2Cl2 = 1:9:3).
57.7 mg, 78% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 2.32 (s, 3H), 4.27 (s, 2H), 6.96 (d, J = 7.8Hz, 2H), 7.06 (d, J = 7.8 Hz, 2H), 7.45 (t, J = 7.8 Hz, 2H), 7.60 (t, J = 7.8 Hz, 1H), 7.64 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 21.2, 62.6, 124.9, 128.6, 128.8, 129.3, 130.7, 133.6, 138.0, 138.7.
HRMS (FAB) m/z calcd for C14H14O2SNa [M+Na]+: 269.0607, found 269.0615。
4−メトキシフェニルメチルフェニルスルホン(4-Methoxyphenylmethyl phenyl sulfone(2c))
Purification by preparative recycling HPLC.
58.4 mg, 74% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 3.28 (s, 3H), 4.25 (s, 2H), 6.78 (d, J = 8.4 Hz, 2H), 6.99 (d, J = 8.4 Hz, 2H), 7.45 (t, J = 7.2 Hz, 2H), 7.60 (t, J = 7.2 Hz, 1H), 7.64 (d, J = 7.2 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 55.2, 62.1, 114.0, 119.9, 128.6, 128.8, 131.9, 133.6, 137.9, 159.9.
HRMS (FAB) m/z calcd for C14H14O3SNa [M+Na]+: 285.0556, found 285.0563。
4−ベンジルオキシフェニルメチルフェニルスルホン(4-Benzyloxyphenylmethyl phenyl sulfone(2d))
Purification by preparative recycling HPLC.
71.1 mg, 70% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 4.24 (s, 2H), 5.04 (s, 2H), 6.85 (d, J = 8.4 Hz, 2H), 6.99 (d, J = 8.4 Hz, 2H), 7.33 (t, J = 7.2 Hz, 1H), 7.37-7.45 (m, 6H), 7.59 (t, J = 7.2 Hz, 1H), 7.63 (d, J = 7.2 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 62.2, 70.0, 115.0, 120.2, 127.4, 128.1, 128.6, 128.6, 128.8, 132.0, 133.6, 136.6, 137.9, 159.2.
HRMS (FAB) m/z calcd for C20H18O3SNa [M+Na]+: 361.0874, found 361.0881。
4−フルオロフェニルメチルフェニルスルホン(4-Fluorophenylmethyl phenyl sulfone(2e))
Purlfication by preparative recycling HPLC.
61.2 mg, 82% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 4.28 (s, 2H), 6.95 (d, J = 8.4 Hz, 2H), 7.05-7.08 (m, 2H), 7.47 (t, J = 8.4 Hz, 2H), 7.60-7.65 (m, 3H).
13C NMR (150 MHz, CDCl3) δ 61.9, 115.6 (d, J = 23.1 Hz), 123.9, 128.5, 128.9, 132.5 (d, J = 8.7 Hz), 133.8, 137.6, 163.0 (d, J = 249 Hz).
HRMS (FAB) m/z calcd for C13H12O2FSNa [M+Na]+: 273.0356, found 273.0354。
(4−トリフルオロメチル)フェニルメチルフェニルスルホン((4-Trifluoromethyl)phenylmethyl phenyl sulfone(2f))
Purlficatlon by PTLC (EtOAc/hexane/CH2Cl2 = 1:9:3).
50.2 mg, 56% isolated yleld; white solid.
1H NMR (600 MHz, DMSO) δ 4.84 (s, 2H), 7.39 (d, J = 8.4 Hz, 2H), 7.61 (t, J = 7.8 Hz, 2H), 7.68 (d, J = 8.4 Hz, 2H), 7.72-7.75 (m, 3H).
13C NMR (150 MHz, DMSO) δ 60.0, 124.1 (q, J = 273 Hz), 125.1 (q, J = 8.7 Hz), 128.0, 128.8 (q, J = 31.7Hz), 129.2, 131.8, 133.5, 134.0, 138.2.
HRMS (FAB) m/z calcd for C14H11O2F3SNa [M+Na]+: 323.0324, found 323.0339。
1−ナフチルメチルフェニルスルホン(1-Naphthylmethyl phenyl sulfone(2g))
Purification by PTLC (EtOAc/hexane/CH2Cl2 = 1:9:3).
66.8mg, 79% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 4.82 (s, 2H), 7.20 (d, J = 7.8 Hz, 1H), 7.33-7.36 (m, 3H), 7.40 (t, J = 7.8 Hz, 1H), 7.44 (t, J = 7.8 Hz, 1H), 7.51 (t, J = 7.8 Hz, 1H), 7.59 (d, J = 7.8 Hz, 2H), 7.80-7.83 (m, 3H).
13C NMR (150 MHz, CDCl3) δ 59.8, 123,5, 124.5, 125.0, 125.9, 126.6, 128.6, 128.8, 129.7, 130.6, 132.0, 133.6, 133.7, 137.9.
HRMS (FAB) m/z calcd for C17H14O2SNa [M+Na]+: 305.0607, found 305.0609。
3−チエニルメチルフェニルスルホン(3-Thienylmethyl phenyl sulfone(2h))
Reaction time was 24h. Purification by PTLC (EtOAc/hexane/CH2Cl2= 1:9:3). 24.3 mg, 34% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 4.37 (s, 2H), 6.90 (d, J = 4.8 Hz, 1H), 7.03 (s, 1H), 7.24 (d, J = 4.8 Hz, 1H), 7.46 (t, J = 7.8 Hz, 2H), 7.61 (t, J = 7.8 Hz, 1H), 7.65 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 57.5, 126.1, 126.7, 127.9, 128.4, 128.9, 128.9, 133.7, 137.8.
HRMS (FAB) m/z calcd for C11H16O2S2Na [M+Na]+: 261.0014, found 261.0019。
1H NMR (600 MHz, CDCl3) δ 5.29 (s, 1H), 7.25-7.39 (m, 8H), 7.49-7.53 (m, 5H), 7.62 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 76.4, 128.58, 128.61, 128.7, 129.0, 129.9, 132.9, 133.4, 138.2.
HRMS (FAB) m/z calcd for C19H16O2SNa [M+Na]+: 331.0763, found 331.0767。
(4−メトキシフェニル)フェニルメチルフェニルスルホン((4-Methoxyphenyl)phenylmethyl phenyl sulfone(4ac))
Purification by PTLC (EtOAc/hexane/CH2Cl2 = 1:9:3).
68.6 mg, 68% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 3.76 (s, 3H), 5.25 (s, 1H), 6.83 (d, J = 8.4 Hz, 2H), 7.29-7.30 (m, 3H), 7.35 (t, J = 7.8 Hz, 2H), 7.44 (d, J = 8.4 Hz, 2H), 7.49-7.52 (m, 3H), 7.62 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 55.2, 75.8, 114.0, 124.7, 128.5, 128.57, 128.62, 128.9, 129.8, 131.2, 133.2, 133.4, 138.2, 159.8.
HRMS (FAB) m/z calcd for C20H18O3SNa [M+Na]+: 361.0869, found 361.0872。
(4−フルオロフェニル)フェニルメチルフェニルスルホン((4-Fluorophenyl)phenylmethyl phenyl sulfone(4ae))
Purification by preparative recycling HPLC.
45.0 mg, 46% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.28 (s, 1H), 7.01 (t, J = 8.4 Hz, 2H), 7.30-7.32 (m, 3H), 7.38 (t, J = 7.8 Hz, 2H), 7.49-7.54 (m, 5H), 7.62 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 75.6, 115.7 (d, J = 21.6 Hz), 128.7, 128.7, 128.8, 129.0, 129.8, 131.8 (d, J = 7.2 Hz), 132.8, 133.6, 138.0, 162.9 (d, J = 251 Hz).
HRMS (FAB) m/z calcd for C19H15O2FSNa [M+Na]+: 349.0669, found 349.0679。
(4−メチルフェニル)フェニルメチルフェニルスルホン((4-Methylphenyl)phenylmethyl phenyl sulfone(4ba))
Purification by PTLC (EtOAc/hexane/CH2Cl2 = 1:9:3).
79.9 mg, 83% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 2.31 (s, 3H), 5.26 (s, 1H), 7.12 (d, J = 7.8 Hz, 2H), 7.29-7.30 (m, 3H), 7.36 (t, J = 7.2 Hz, 2H), 7.42 (d, J = 7.8 Hz, 2H), 7.49-7.52 (m, 3H), 7.62 (d, J = 7.2 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 21.1, 76.2, 128.5, 128.56, 128.61, 129.0, 129.4, 129.8, 129.9, 133.1, 133.4, 138.3, 138.6.
HRMS (FAB) m/z calcd for C20H18O2SNa [M+Na]+: 345.0920, found 345.0934。
ジ−(4−メトキシフェニル)メチルフェニルスルホン(Di-(4-methoxyphenyl)methyl phenyl sulfone(4cc))
Purification by preparative recycling HPLC.
83.2 mg, 75% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 3.76 (s, 6H), 5.21 (s, 1H), 6.83 (d, J = 8.4 Hz, 4H), 7.36 (t, J = 7.2 Hz, 2H), 7.43 (d, J = 8.4 Hz, 4H), 7.50 (t, J = 7.2 Hz, 1H), 7.62 (d, J = 7.2 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 55.2, 75.1, 114.0, 125.0, 128.6, 128.9, 131.1, 133.3, 138.4, 159.7.
HRMS (FAB) m/z calcd for C21H20O4SNa [M+Na]+: 391.0975, found 391.0981。
(4−ベンジルオキシフェニル)(3−メトキシフェニル)メチルフェニルスルホン((4-Benzyloxyphenyl)(4-methoxyphenyl)methyl phenyl sulfone(4dc))
Purification by preparative recycling HPLC.
87.3 mg, 66% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 3.76 (s, 3H), 5.03 (s, 2H) 5.20 (s, 1H), 6.83 (d, J = 9.0 Hz, 2H), 6.90 (d, J = 9.0 Hz, 2H), 7.30-7.43 (m, 11H), 7.49 (t, J = 7.8 Hz, 1H), 7.61 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 55.2, 69.9, 75.2, 114.0, 114.9, 124.9, 125.2, 127.4, 128.0, 128.6, 128.9, 131.10, 131.13, 133.3, 136.6, 138.3, 158.9, 159.7.
HRMS (FAB) m/z calcd for C27H24O4SNa [M+Na]+: 467.1293, found 467.1300。
(4−フルオロフェニル)(4−メチルフェニル)メチルフェニルスルホン((4-Fluorophenyl)(4-methylphenyl)methyl phenyl sulfone(4eb))
Purification by PTLC (EtOAc/hexane/CH2Cl2 = 1:9:3).
79.4 mg, 78% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 2.32 (s, 3H), 5.24 (s, 1H), 6.98-7.01 (m, 2H), 7.13 (d, J = 7.2 Hz, 2H), 7.37-7.39 (m, 4H), 7.48-7.54 (m, 3H), 7.62 (d, J = 7.2 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 21.1, 75.3, 115.7 (d, J = 21.6 Hz), 128.7, 128.9, 129.0, 129.5, 129.6, 129.7, 131.7 (d, J = 8.7 Hz), 133.6, 138.1, 138.8, 162.8 (d, J = 238 Hz).
HRMS (FAB) m/z calcd for C20H17O2SFNa [M+Na]+: 363.0825, found 363.0839。
フェニル(4−トリフルオロメチルフェニル)メチルフェニルスルホン(Phenyl(4-trifluoromethylphenyl)methyl phenyl sulfone(4fa))
Reaction was conducted at 60℃. Purification by PTLC (EtOAc/hexane/CH2Cl2= 1:9.3).
97.4 mg, 86% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.36 (s, 1H), 7.29-7.32 (m, 3H), 7.37 (t, J = 7.2 Hz, 2H), 7.47-7.48 (m, 2H), 7.53 (t, J = 7.2 Hz, 1H), 7.59 (d, J = 7.8 Hz, 2H), 7.63 (d, J = 7.8 Hz, 2H), 7.71 (d, J = 7.2 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 75.9, 123.8 (q, J = 274 Hz), 125.6 (br.d, J = 4.2 Hz), 128.8, 128.9, 128.96, 128.99, 129.8, 130.3, 130.8 (q, J = 33 Hz), 132.2, 133.8, 136.9, 137.8.
HRMS (FAB) m/z calcd for C20H15O2F3SNa [M+Na]+: 399.0637, found 399.0647。
ジ(4−トリフルオロメチルフェニル)メチルフェニルスルホン(Di-(4-trifluoromethylphenyl)methyl phenyl sulfone(4ff))
Purification by PTLC (EtOAc/hexane/CH2Cl2 = 1:9:3).
62.4 mg, 47% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.44 (s, 1H), 7.40 (t, J = 7.8 Hz, 2H), 7.55-7.60 (m, 5H), 7.63-7.66 (m, 6H).
13C NMR (150 MHz, CDCl3) δ 75.2, 123.7 (q, J = 274 Hz), 125.8 (br.d, J = 4.4 Hz), 128.9, 129.0, 130.2, 131.1 (q, J = 31.7 Hz), 134.2, 136.2, 137.4.
HRMS (FAB) m/z calcd for C21H14O2SF6Na [M+Na]+: 467.0516, found 467.0509。
(1−ナフチル)フェニルメチルフェニルスルホン((1-Naphthyl)phenylmethyl phenyl sulfone(4ga))
Reaction time was 12h. Purification by PTLC (EtOAc/hexane/CH2Cl2= 1:9:3).
85.4 mg, 79% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 6.22 (s, 1H), 7.26-7.27 (m, 3H), 7.30 (t, J = 7.8 Hz, 2H), 7.31-7.41 (m, 2H), 7.45 (dt, J = 7.2, 1.2 Hz, 1H), 7.49-7.50 (m, 2H), 7.57 (t, J = 7.8 Hz, 1H), 7.64 (dd, J = 8.4, 1.2 Hz, 2H), 7.79-7.83 (m, 3H), 8.48 (d, J = 7.2 Hz, 1H).
13C NMR (150 MHz, CDCl3) δ 70.7, 121.9, 125.3, 125.6, 126.7, 127.3, 128.55, 128.61, 128.64, 128.95, 129.03, 129.1, 129.2, 130.3, 131.4, 133.0, 133.5, 133.9, 138.4.
HRMS (FAB) m/z calcd for C23H18O2SNa [M+Na]+: 381.0920, found 381.0916。
フェニル(3−チエニル)メチルフェニルスルホン(Phenyl(3-thienyl)methyl phenyl sulfone(4ha))
Purification by PTLC (EtOAc/hexane/CH2Cl2 = 1:9:3).
39.5 mg, 42% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.44 (s, 1H), 7.29-7.31 (m, 5H), 7.36 (t, J = 7.8 Hz, 2H), 7.41 (s, 1H), 7.44-7.45 (m, 2H), 7.51 (t, J = 7.8 Hz, 1H), 7.59 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 72.3, 126.0, 126.1, 128.55, 128.57, 128.60, 128.8, 128.9, 130.1, 132.42, 132.44, 133.5, 137.8.
HRMS (FAB) m/z calcd for C17H14O2S2Na [M+Na]+: 337.0327, found 337.0329。
ジ(3−チエニル)メチルフェニルスルホン(Di-(3-thienyl)methyl phenyl sulfone(4hh))
3 equivalents of Ar2I were used. Reaction was conducted at 120℃. Purification by PTLC (EtOAc/hexane/CH2Cl2 = 1:9:3).
28.9 mg, 30% isolated yield; pale yellow solid.
1H NMR (600 MHz, CDCl3) δ 5.59 (s, 1H), 7.25-7.26 (m, 2H), 7.30-7.31 (m, 4H), 7.38 (dt, J = 7.2, 1.2 Hz, 2H), 7.53 (dt, J = 7.2, 1.2 Hz, 1H), 7.58 (dd, J = 7.2, 1.2 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 67.8, 126.1, 126.4, 128.5, 128.6, 128.9, 132.3, 133.5, 137.6.
HRMS (FAB) m/z calcd for C15H12O2S3Na [M+Na]+: 342.9892, found 342.9899。
1H NMR (600 MHz, CDCl3) δ 2.32 (s, 3H), 5.51 (s, 1H), 7.00 (d, J = 7.8 Hz, 2H), 7.09 (d, J = 7.8 Hz, 2H), 7.11 (d, J = 7.8 Hz, 4H), 7.20 (t, J = 7.8 Hz, 2H), 7.27 (t, J = 7.8 Hz, 4H).
13C NMR (150 MHz, CDCl3) δ 21.0, 56.4, 126.2, 128.2, 129.0, 129.3, 129.4, 135.8, 140.9, 144.1.
HRMS (DART) m/z calcd for C20H17 [M-H]+: 257.1330, found 257.1333。
トリフェニルメタン(Triphenylmethane(6aaa))
Purification by PTLC (hexane).
66.0 mg, 90% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.54 (s, 1H), 7.11 (d, J = 7.8 Hz, 6H), 7.19 (t, J = 7.8 Hz, 3H), 7.26 (t, J = 7.8 Hz, 6H).
13C NMR (150 MHz, CDCl3) δ 56.8, 126.3, 128.3, 129.4, 143.9.
HRMS (DART) m/z calcd for C19H15 [M-H]+: 243.1174, found243.1168。
(4−メトキシフェニル)ジフェニルメタン((4-Methoxyphenyl)diphenylmethane(6aac))
Purification by preparative recycling HPLC.
75.6 mg, 92% isolated yield; colorless oil.
1H NMR (600 MHz, CDCl3) δ 3.75 (s, 3H), 5.49 (s, 1H), 6.81 (d, J = 8.4 Hz, 2H), 7.02 (d, J = 8.4 Hz, 2H), 7.10 (d, J = 7.2 Hz, 4H), 7.19 (t, J = 7.2 Hz, 2H), 7.26 (t, J = 7.2 Hz, 4H).
13C NMR (150MHz, CDCl3) δ 55.2, 56.0, 113.6, 126.2, 128.2, 129.3, 130.3, 136.1, 144.2, 158.0.
HRMS (DART) m/z calcd for C20H17O [M-H]+: 273.1279, found273.1277。
[4−(N,N−ジメチルアミノ)フェニル]ジフェニルメタン([4-(N,N-Dimethylamino)phenyl]diphenylmethane(6aai))
Purification by PTLC (hexane:EtOAc = 20:1).
76.0mg, 88% isolated yield; pale yellow solid.
1H NMR (600 MHz, CDCl3) δ 2.89 (s, 6H), 5.45 (s, 1H), 6.65 (d, J = 9.0 Hz, 2H), 6.97 (d, J = 9.0 Hz, 2H), 7.12 (d, J = 7.8 Hz, 4H), 7.17 (t, J = 7.8 Hz, 2H), 7.25 (t, J = 7.8 Hz, 4H).
13C NMR (150 MHz, CDCl3) δ 40.6, 55.9, 112.5, 126.0, 128.1, 129.4, 130.0, 131.9, 144.7, 149.0.
HRMS (DART) m/z calcd for C21H20N [M-H]+: 286.1596, found 286.1592。
(4−フルオロフェニル)ジフェニルメタン((4-Fluorophenyl)diphenylmethane(6aae))
Purification by PTLC (hexane).
69.9 mg, 89% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.52 (s, 1H), 6.95 (t, J = 8.4 Hz, 2H), 7.04-7.07 (m, 2H), 7.08 (d, J = 7.2 Hz, 4H), 7.21 (t, J = 7,2 Hz, 2H), 7.27 (t, J = 7.2 Hz, 4H).
13C NMR (150 MHz, CDCl3) δ 56.0, 115.1 (d, J = 21.6 Hz), 126.4, 128.4, 129.3, 130.8 (d, J = 8.7 Hz), 139.6 (d, J = 2.9 Hz), 143.7, 161.4 (d, J = 245 Hz).
HRMS (DART) m/z calcd for C19H14F [M-H]+: 261.1080, found 261.1081。
ジフェニル[4−(トリフルオロメチル)フェニル]メタン(Diphenyl[4-(trifluoromethyl)phenyl]methane(6aaf))
Reaction was conducted at 150℃. Purification by PTLC (hexane).
77.3 mg, 83% isolated yield; colorless oil.
1H NMR (600 MHz, CDCl3) δ 5.59 (s, 1H), 7.09 (d, J = 7.2 Hz, 4H), 7.19-7.30 (m, 8H), 7.52 (d, J = 7.2 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 56.6, 124.3 (q, J = 272 Hz), 125.2 (br.d, J = 3.2 Hz), 126.7, 128.5, 128.6 (q, J = 31.7 Hz), 129.4, 129.8, 142.9, 148.0.
HRMS (DART) m/z calcd for C20H14F3 [M-H]+: 311.1048, found 311.1046。
ジフェニル[4−(トリメチルシリル)フェニル]メタン(Diphenyl[4-(trimethylsilyl)phenyl]methane(6aaj))
Purification by PTLC (hexane).
76.1 mg, 80% isolated yield; colorless oil.
1H NMR (600 MHz, CDCl3) δ 0.24 (s, 9H), 5.52 (s, 1H), 7.09-7.12 (m, 6H), 7.18 (t, J = 7.2 Hz, 2H), 7.26 (t, J = 7.2 Hz, 4H), 7.43 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ -1.1, 56.9, 126.3, 128.3, 128.8, 129.5, 133.4, 138.0, 143.8, 144.4.
HRMS (DART) m/z calcd for C22H23Si [M-H]+: 315.1569, found315.1572。
(4−アセチルフェニル)ジフェニルメタン((4-Acetylphenyl)diphenylmethane(6aak))
Purification by PTLC (hexane:EtOAc = 5:1).
70.2 mg, 82% isolated yield; colorless oil.
1H NMR (600 MHz, CDCl3) δ 2.56 (s, 3H), 5.59 (s, 1H), 7.09 (d, J = 7.8 Hz, 4H), 7.21-7.23 (m, 4H), 7.29 (t, J = 7.8 Hz, 4H), 7.87 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 26.5, 56.7, 126.6, 128.4, 128.4, 129.3, 129.6, 135.3, 142.9, 149.5, 197.7.
HRMS (DART) m/z calcd for C21H17O [M-H]+: 285.1279, found 285.1280。
(2−メチルフェニル)ジフェニルメタン((2-Methylphenyl)diphenylmethane(6aal))
PEPPSI-IPr (10%) was used as a catalyst. Reaction was conducted at 150℃. Purification by PTLC (hexane).
46.1 mg, 60% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 2.21 (s, 3H), 5.67 (s, 1H), 6.81 (d, J = 7.8 Hz, 1H), 7,05 (d, J = 7.8 Hz, 4H), 7.08-7.16 (m, 3H), 7.20 (t, J = 7.2 Hz, 2H), 7.26 (t, J = 7.2 Hz, 4H).
13C NMR (150 MHz, CDCl3) δ 19.9, 53.5, 125.7, 126.2, 126.4, 128.3, 129.4, 129.6, 130.4, 136.6, 142.3, 143.4.
HRMS (DART) m/z calcd for C20H17 [M-H]+: 257.1330, found 257.1327。
ジフェニル(3−チエニル)メタン(Diphenyl(3-thienyl)methane(6aah))
Reaction was conducted at 150℃. Purification by PTLC (hexane).
52.6 mg, 71% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.50 (s, 1H), 6.72-6.73 (m, 1H), 6.87 (d, J = 4.8 Hz, 1H), 7.15 (d, J = 7.8 Hz, 4H), 7.21 (t, J = 7.8 Hz, 2H), 7.25 (dd, J = 4.8, 3.0 Hz, 1H), 7.29 (d, J = 7.8 Hz, 4H).
13C NMR (150 MHz, CDCl3) δ 52.6, 122.7, 125.5, 126.4, 128.3, 128.7, 129.0, 143.8, 144.9.
HRMS (DART) m/z calcd for C17H13S [M-H]+: 249.0738, found 249.0733。
(3−フリル)ジフェニルメタン((3-Furyl)diphenylmethane(6aam))
Reaction was conducted at 150℃. Purification by PTLC (hexane).
36.7 mg, 52% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.26 (s, 1H), 6.22 (s, 1H), 6.94 (s, 1H), 7.19-7.21 (m, 6H), 7.27-7.29 (m, 4H), 7.38 (s, 1H).
13C NMR (150 MHz, CDCl3) δ 48.1, 111.4, 126.5, 128.3, 128.4, 128.7, 141.0, 143.1, 143.5.
HRMS (DART) m/z calcd for C17H13O [M-H]+: 233.0966, found 233.0966。
ジフェニル(3−ピリジル)メタン(Diphenyl(3-pyridyl)methane(6aan))
Reaction was conducted at 150℃. Purification by PTLC (CH2Cl2, then hexane: EtOAc = 5:1).
33.3 mg, 45% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.56 (s, 1H), 7.11 (d, J = 7.2 Hz, 4H), 7.20-7.25 (m, 3H), 7.30 (t, J = 7.2 Hz, 4H), 7.40 (d, J = 7.8 Hz, 1H), 8.44-8.47 (m, 2H).
13C NMR (150 MHz, CDCl3) δ 54.3, 123.2, 126.7, 128.5, 129.3, 136.6, 139.3, 142.7, 147.7, 150.8.
HRMS (DART) m/z calcd for C18H16N [M+H]+: 246.1283, found 246.1281。
(4−メトキシフェニル)(4−メチルフェニル)フェニルメタン((4-Methoxyphenyl)(4-methylphenyl)phenylmethane(6acb))
Purification by PTLC (hexane).
75.7 mg, 87% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 2.30 (s, 3H), 3.75 (s, 3H), 5.45 (s, 1H), 6.81 (d, J = 8.4 Hz, 2H), 6.99 (d, J = 7.8 Hz, 2H), 7.01 (d, J = 8.4 Hz, 2H), 7.08 (d, J = 7.8 Hz, 2H), 7.10 (d, J = 7.2 Hz, 2H), 7.18 (t, J = 7.2 Hz, 1H), 7.25 (t, J = 7.2 Hz, 1H).
13C NMR (150 MHz, CDCl3) δ 21.0, 55.2, 55.6, 113.6, 126.1, 128.2, 129.0, 129.2, 129.3, 130.3, 135.7, 136.3, 141.3, 144.4, 157.9.
HRMS (DART) m/z calcd for C21H19O [M-H]+: 287.1436, found 287.1428。
(4−フルオロフェニル)(2−メチルフェニル)フェニルメタン((4-Fluorophenyl)(2-methylphenyl)phenylmethane(6ael))
Purification by PTLC (hexane).
55.4 mg, 67% isolated yield; colorless oil.
1H NMR (600 MHz, CDCl3) δ 2.92 (s, 1H), 5.64 (s, 1H), 6.78 (d, J = 7.8 Hz, 1H), 6.95 (t, J = 8.4 Hz, 2H), 6.99-7.01 (m, 2H), 7.03 (d, J = 7.2 Hz, 2H), 7.09 (t, J = 7.2 Hz, 1H), 7.12-7.16 (m, 2H), 7.20 (t, J = 7.2 Hz, 1H), 7.27 (t, J = 7.2 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 19.8, 52.7, 115.1 (d, J = 20.3 Hz), 125.8, 126.4, 126.5, 128.4, 129.3, 129.5, 130.5, 131.0 (d, J = 7.2 Hz), 136.5, 139.1 (d, J = 2.9 Hz), 142.1, 143.2, 161.4 (d, J = 245 Hz).
HRMS (DART) m/z calcd for C20H16F [M-H]+: 275.1236, found275.1244。
(4−アセチルフェニル)(4−メチルフェニル)フェニルメタン((4-Acetylphenyl)(4-methylphenyl)phenylmethane(6bak))
Purification by PTLC (hexane:EtOAc = 5:1).
75.3 mg, 84% isolated yield; colorless oil.
1H NMR (600 MHz, CDCl3) δ 2.31 (s, 3H), 2.55 (s, 3H), 5.55 (s, 1H), 6.98 (d, J = 7.8 Hz, 2H), 7.09 (d, J = 7.2 Hz, 2H), 7.10 (d, J = 7.2 Hz, 2H), 7.20-7.22 (m, 3H), 7.28 (t, J = 7.8 Hz, 2H), 7.86 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 21.0, 26.5, 56.4, 126.5, 128.35, 128.38, 129.1, 129.2, 129.3, 129.6, 135.2, 136.1, 139.9, 143.1, 149.7, 197.7.
HRMS (DART) m/z calcd for C22H19O [M-H]+: 299.1436, found 299.1429。
トリス(4−メトキシフェニル)メタン(Tris(4-methoxyphenyl)methane(6ccc))
Purification by preparative recycling HPLC.
94.7 mg, 94% isolated yield; pale yellow oil.
1H NMR (600 MHz, CDCl3) δ 3.76 (s, 9H), 5.39 (s, 1H), 6.81 (d, J = 7.2 Hz, 6H), 7.00 (d, J = 7.2 Hz, 6H).
13C NMR (150 MHz, CDCl3) δ 54.3, 55.1, 113.5, 130.1, 136.7, 157.8.
HEMS (DART) m/z calcd for C22H21O3 [M-H]+: 333.1491, found 333.1496。
(4−フルオロフェニル)(4−メトキシフェニル)(4−メチルフェニル)メタン((4-Fluorophenyl)(4-methoxyphenyl)(4-methylphenyl)methane(6ebc))
Purification by PTLC (hexane).
77.7 mg, 85% isolated yield; colorless oil.
1H NMR (600 MHz, CDCl3) δ 2.31 (s, 3H), 3.76 (s, 3H), 5.43 (s, 1H), 6.81 (d, J = 7.8 Hz, 2H), 6.92-7.00 (m, 6H), 7.03-7.06 (m, 2H), 7.08 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 21.0, 54.8, 55.2, 113.7, 115.0 (d, J = 20.3 Hz), 129.0, 129.1, 130.2, 130.7 (d, J = 8.6 Hz), 135.9, 136.1, 140.2 (d, J = 2.9 Hz), 141.1, 158.0, 161.3 (d, J = 246 Hz).
HRMS (DART) m/z calcd for C21H18FO [M-H]+: 305.1341, found 305.1347。
[4−(N,N−ジメチルアミノ)フェニル]フェニル(4−トリフルオロメチルフェニル)メタン([4-(N,N-Dimethylamino)phenyl]phenyl(4-trifluoromethylphenyl)methane(6fai))
Purification by preparative recycling HPLC.
62.4 mg, 59% isolated yield; pale yellow oil.
1H NMR (600 MHz, CDCl3) δ 2.91 (s, 6H), 5.49 (s, 1H), 6.67 (d, J = 8.4 Hz, 2H), 6.95 (d, J = 8.4 Hz, 2H), 7.10 (d, J = 7.8 Hz, 2H), 7.19-7.24 (m, 3H), 7.28 (t, J = 7.8 Hz, 2H), 7.51 (d, J = 7.8 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 40.5, 55.7, 112.5, 124.3 (q, J = 272 Hz), 125.1 (q, J = 4.4 Hz), 126.4, 128.3 (q, J = 31.7 Hz), 128.4, 129.3, 129.7, 129.9, 130.8, 143.7, 148.9, 149.2.
HRMS (DART) m/z calcd for C22H19F3N [M-H]+: 354.1470, found 354.1470。
トリス(4−トリフルオロメチルフェニル)メタン(Tris(4-trifluoromethylphenyl)methane(6fff))
Purification by preparative recycling HPLC.
113.6 mg, 84% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.71 (s, 1H), 7.21 (d, J = 7.2 Hz, 6H), 7.59 (d, J = 7.2 Hz, 6H).
13C NMR (150 MHz, CDCl3) δ 56.2, 124.0 (q, J = 274 Hz), 125.7 (br.d, J = 4.4 Hz), 129.5 (q, J = 33 Hz), 129.7, 146.0.
HRMS (DART) m/z calcd for C22H12F9 [M-H]+: 447.0795, found 447.0790。
(4−メチルフェニル)(1−ナフチル)フェニルメタン((4-Methylphenyl)(1-naphthyl)phenylmethane(6gab))
Purification by PTLC (hexane)
53.5 mg, 58% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 2.30 (s, 3H), 6.23 (s, 1H), 6.94 (d, J = 7.2 Hz, 1H), 6.99 (d, J = 7.8 Hz, 2H), 7.07 (d, J = 7.2 Hz, 2H), 7.10 (d, J = 7.2 Hz, 2H), 7.18-7.20 (m, 1H), 7.25 (t, J = 7.8 Hz, 2H), 7.32-7.42 (m, 3H), 7.72 (d, J = 8.4 Hz, 1H), 7.83 (d, J = 8.4 Hz, 1H), 7.98 (d, J = 8.4 Hz, 1H).
13C NMR (150 MHz, CDCl3) δ 21.0, 52.7, 124.3, 125.2, 125.4, 126.0, 126.3, 127.2, 127.5, 128.3, 128.7, 129.1, 129.5, 129.6, 131.9, 133.9, 135.8, 140.1, 140.7, 144.0.
HEMS (DART) m/z calcd for C24H19 [M-H]+: 307.1487, found 307.1483。
フェニル(3−ピリジル)(3−チエニル)メタン(Phenyl(3-pyridyl)(3-thlenyl)methane(6han))
Purification by PTLC (CH2Cl2).
53.5 mg, 58% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.52 (s, 1H), 6.74 (br.s, 1H), 6.86 (d, J = 4.8 Hz, 1H), 7.14 (d, J = 7.2 Hz, 2H), 7.21-7.25 (m, 2H), 7.30-7.32 (m, 3H), 7.44 (d, J = 7.8 Hz, 1H), 8.48 (br.s, 2H).
13C NMR (150 MHz, CDCl3) δ 50.1, 123.0, 123.3, 126.0, 126.8, 128.3, 128.6, 128.8, 136.3, 139.3, 142.5, 143.6, 147.8, 150.3.
HRMS (DART) m/z calcd for C16H14NS [M+H]+: 252.0847, found 252.0846。
トリス(3−チエニル)メタン(Tris(3-thlenyl)methane(6hhh))
Purification by PTLC (hexane).
71.2 mg, 90% isolated yield; white solid.
1H NMR (600 MHz, CDCl3) δ 5.56 (s, 1H), 6.84 (dd, J = 3.0, 1.2 Hz, 3H), 6.91 (dd, J = 4.8, 1.2 Hz, 3H), 7.23 (dd, J = 4.8, 3.0 Hz, 2H).
13C NMR (150 MHz, CDCl3) δ 43.5, 121.9, 125.5, 128.2, 144.5.
HRMS (DART) m/z calcd for C13H9S3 [M-H]+: 260.9866, found 260.9861。
1H NMR (600 MHz, CDCl3) δ 3.77 (s, 3H), 5.02 (s, 2H), 6.15 (s, 1H), 6.82 (d, J = 9.0 Hz, 2H), 6.90 (d, J = 8.4 Hz, 2H), 7.06 (d, J = 8.4 Hz, 2H), 7.16 (s, 1H), 7.31 (t, J = 7.2 Hz, 1H), 7.37 (t, J = 7.8 Hz, 2H), 7.42 (d, J = 7.2 Hz, 2H), 7.47-7.53 (m, 2H), 7.58-7.60 (m, 2H), 7.67 (d, J = 8.4 Hz, 1H), 8.03 (d, J = 7.8 Hz, 1H), 8.65 (d, J = 8.4 Hz, 1H), 8.71 (d, J = 8.4 Hz, 1H).
13C NMR (150 MHz, CDCl3) δ 51.8, 55.2, 70.0, 113.8, 114.7, 122.3, 123.0, 125.2, 126.1, 126.4, 126.5, 126.6, 127.6, 127.9, 128.4, 128.6, 128.7, 129.8, 130.57, 130.59, 130.8, 131.2, 131.5, 135.9, 136.2, 137.1, 138.8, 157.4, 158.1.
HRMS (DART) m/z calcd for C35H27O2 [M-H]+: 479.2011, found 479.2010。
1H NMR (600 MHz, CDCl3) δ 2.33 (s, 6H), 2.72 (t, J = 6.0 Hz, 2H), 3.78 (s, 3H), 4.04 (t, J = 6.0 Hz, 2H), 6.14 (s, 1H), 6.82 (d, J = 9.0 Hz, 2H), 6.84 (d, J = 9.0 Hz, 2H), 7.05 (apparent t, J = 7.8 Hz, 4H), 7.15 (s, 1H), 7.47-7.53 (m, 2H), 7.58-7.61 (m, 2H), 7.67 (d, J = 7.8 Hz, 1H), 8.04 (d, J = 8.4 Hz, 1H), 8.65 (d, J = 8.4 Hz, 1H), 8.71 (d, J = 8.4 Hz, 1H).
13C NMR (150 MHz, CDCl3) δ 45.9, 51.8, 55.2, 58.3, 65.8, 113.8, 114.4, 122.3, 123.0, 125.2, 126.0, 126.3, 126.5, 126.6, 128.4, 128.7, 129.7, 130.5, 130.6, 130.8, 131.2, 131.4, 135.9, 136.0, 138.8, 157.3, 158.0.
HRMS (FAB) m/z calcd for C35H32NO2 [M+H]+: 462.2433, found 462.2429。
Claims (10)
- 一般式(1):
[式中、Ar1、Ar2及びAr3は同じか又は異なり、それぞれ置換又は無置換の芳香族基である。]
で示されるトリアリールメタン化合物の製造方法であって、
(III)一般式(2):
[式中、Ar1及びAr2は前記に同じ;Arは置換又は無置換の芳香族基である。]
で示されるジアリールメチルアリールスルホン化合物と、
一般式(3):
[式中、Ar3は前記に同じ;R1及びR2は同じか又は異なり、それぞれ水素原子又はアルキル基;R1とR2は互いに結合し、隣接する−O−B−O−とともに環を形成してもよい。]
で示されるアリールボロン酸又はそのエステル化合物とを、パラジウム触媒及び含窒素複素環式カルベン配位子の存在下で反応させる工程
を備える、製造方法。 - 前記工程(III)が、塩基の存在下で行われる、請求項1に記載の製造方法。
- 前記塩基が金属アルコキシド、リン酸アルカリ金属塩及びアルカリ金属水酸化物よりなる群から選ばれる少なくとも1種である、請求項2に記載の製造方法。
- 前記工程(III)が、反応溶媒の存在下で行われる、請求項1〜3のいずれかに記載の製造方法。
- 前記反応溶媒がジオキサンを含有する、請求項4に記載の製造方法。
- 前記工程(III)の前に、
(II)一般式(4):
Ar1−CH2−SO2−Ar (4)
[式中、Ar1及びArは前記に同じである。]
で示されるアリールメチルアリールスルホン化合物と、
一般式(7):
Ar2−X1 (7)
[式中、Ar2は前記に同じ;X1はハロゲン原子である。]
で示されるハロゲン化アレーン化合物とを、パラジウム触媒及びホスフィン配位子の存在下で反応させる工程
を備える、請求項1〜5のいずれかに記載の製造方法。 - 前記工程(II)が、塩基の存在下で行われる、請求項6に記載の製造方法。
- 前記工程(II)の前に、
(I)一般式(5):
CH3−SO2−Ar (5)
[式中、Arは前記に同じである。]
で示されるメチルアリールスルホン化合物と、
一般式(6):
Ar1−X2 (6)
[式中、Ar1は前記に同じ;X2はハロゲン原子である。]
で示されるハロゲン化アレーン化合物とを、パラジウム触媒及びホスフィン配位子の存在下で反応させる工程
を備える、請求項6又は7に記載の製造方法。 - 前記工程(I)が、塩基の存在下で行われる、請求項8に記載の製造方法。
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