JPH0768282B2 - Cyclooligomannose and method for producing the same - Google Patents

Cyclooligomannose and method for producing the same

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Publication number
JPH0768282B2
JPH0768282B2 JP63224075A JP22407588A JPH0768282B2 JP H0768282 B2 JPH0768282 B2 JP H0768282B2 JP 63224075 A JP63224075 A JP 63224075A JP 22407588 A JP22407588 A JP 22407588A JP H0768282 B2 JPH0768282 B2 JP H0768282B2
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Japan
Prior art keywords
compound
group
added
general formula
mmol
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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JP63224075A
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Japanese (ja)
Other versions
JPH0270702A (en
Inventor
智也 小川
幸成 伊藤
真郷 森
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RIKEN Institute of Physical and Chemical Research
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RIKEN Institute of Physical and Chemical Research
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Priority to JP63224075A priority Critical patent/JPH0768282B2/en
Publication of JPH0270702A publication Critical patent/JPH0270702A/en
Publication of JPH0768282B2 publication Critical patent/JPH0768282B2/en
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Expired - Lifetime legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

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  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Description

【発明の詳細な説明】 〔技術分野〕 本発明は、マンノースがα‐1,4結合したシクロオリゴ
マンノースおよびその製造法に関する。
TECHNICAL FIELD The present invention relates to a cyclooligomannose in which mannose is α-1,4-bonded and a method for producing the same.

〔発明の背景〕[Background of the Invention]

シクロデキストリン(CD)は、D−グルコースが6個以
上α‐1,4結合した環状オリゴ糖である。天然には、
α,β,γ‐CDの他に9および10個のグルコースからな
るδおよびε‐CD等も知られている。しかし、マンノー
スが、α‐1,4−結合した環状オリゴ糖は、未だ、その
存在が知られていない。これらの化合物の合成は、物理
化学的性質及び生物化学的性質等の点で、CDと比して非
常に興味深い。又、合成においても、その立体選択性及
び環化反応の効率に興味が持たれる。
Cyclodextrin (CD) is a cyclic oligosaccharide having 6 or more α-1,4 linked D-glucoses. In nature,
Besides α, β, γ-CD, δ and ε-CD consisting of 9 and 10 glucoses are also known. However, the existence of α-1,4-linked cyclic oligosaccharides with mannose has not been known yet. The syntheses of these compounds are very interesting compared to CD in terms of physicochemical properties and biochemical properties. Also in the synthesis, the stereoselectivity and the efficiency of the cyclization reaction are of interest.

〔発明の目的〕[Object of the Invention]

本発明の目的はマンノースが5個以上、α‐1,4−結合
した環状オリゴ糖及び、その誘導体ならびにその製造法
を提供することである。
An object of the present invention is to provide a cyclic oligosaccharide having 5 or more mannose and α-1,4-linked, a derivative thereof and a method for producing the same.

本発明は、次式で表わされるシクロマンノヘキサオース
を提供するものである。
The present invention provides cyclomannohexaose represented by the following formula.

(式中Rはベンジル基または水素原子を示す。) 本発明はまた、5〜8個のマンノースがα‐1,4結合し
たシクロオリゴマンノースを製造する方法を提供するも
のである。すなわち、一般式(16A): (式中、R1は−C(NH)−CCl3、R2はトルオイル基、R3
はベンジル基またはメトキシベンジル基、R4はモノクロ
ロアセチル基、mは1〜7の整数を示す。)で表わされ
る化合物(16A)と、一般式(18A): (式中、Xは−SCH3、フッ素原子、またはアリルオキシ
基を示し、R2、R3は前記定義のとおりであり、nは1〜
7の整数を示す。ただし、m+nは5〜8である。)で
表わされる化合物(18A)を縮合して、一般式(19A): で表わされる化合物(19A)(X、R2、R3、R4は前記定
義のとおりである)を得、脱モノクロロアセチル化して
化合物(20A)(一般式(19A)においてR4が水素原子)
とした後、エトキシエチルエーテル化して化合物(21
A)(一般式(19A)においてR4がエトキシエチル基)を
得、これを脱トルオイル化して化合物(22A)(一般式
(19A)においてR2が水素原子、R4がエトキシエチル
基)を得、これをベンジル化もしくはメトキシベンジル
化して化合物(23A)(一般式(19A)においてR2がベン
ジル基またはメトキシベンジル基、R4がエトキシエチル
基)を得、次いで脱エトキシエチル化して化合物(24
A)(一般式(19A)においてR2がベンジル基またはメト
キシベンジル基、R4が水素原子)を得、これをグリコシ
ル化触媒存在下に環化して一般式(25A): (式中R3はベンジル基またはメトキシベンジル基を示
す。) で表わされる化合物(25A)を得、これを脱保護するこ
とを特徴とする一般式(26A)で表わされるシクロオリ
ゴマンノースの製造法を提供するものである。
(In the formula, R represents a benzyl group or a hydrogen atom.) The present invention also provides a method for producing a cyclooligomannose in which 5 to 8 mannoses are linked with α-1,4. That is, the general formula (16A): (In the formula, R 1 is —C (NH) —CCl 3 , R 2 is a toluoyl group, R 3
Is a benzyl group or a methoxybenzyl group, R 4 is a monochloroacetyl group, and m is an integer of 1 to 7. ) And a compound represented by the general formula (18A): (In the formula, X represents —SCH 3 , a fluorine atom, or an allyloxy group, R 2 and R 3 are as defined above, and n is 1 to 1).
Indicates an integer of 7. However, m + n is 5-8. ) Is condensed with a compound (18A) represented by the general formula (19A): A compound (19A) represented by (X, R 2 , R 3 and R 4 are as defined above) is obtained, and demonochloroacetylated to give compound (20A) (in the general formula (19A), R 4 is a hydrogen atom). )
Then, the compound (21
A) (R 4 in the general formula (19A) is an ethoxyethyl group) is obtained, and this is detoluoylated to give a compound (22A) (in the general formula (19A), R 2 is a hydrogen atom and R 4 is an ethoxyethyl group). Then, this is benzylated or methoxybenzylated to obtain a compound (23A) (in the general formula (19A), R 2 is a benzyl group or a methoxybenzyl group, and R 4 is an ethoxyethyl group), and then deethoxyethylated to give a compound ( twenty four
A) (in the general formula (19A), R 2 is a benzyl group or a methoxybenzyl group, and R 4 is a hydrogen atom), and cyclized in the presence of a glycosylation catalyst, the general formula (25A): (Wherein R 3 represents a benzyl group or a methoxybenzyl group), and the compound (25A) is deprotected, and the cyclooligomannose represented by the general formula (26A) is characterized by being deprotected. Is provided.

以下、本発明を3糖性供与体(16)と3糖性受容体(1
8)を用いて、6個のマンノースがα‐1,4結合したシク
ロマンノヘキサオース(26)を製造する場合について説
明するが、本発明はこれに限定されるものではなく、た
とえば、2糖性供与体と5糖性受容体からシクロマンノ
ヘプタオースを4糖性供与体と4糖性受容体からシクロ
マンノオクタオースをそれぞれ合成しうることはいうま
でもない。
Hereinafter, the present invention will be described with reference to a trisaccharide donor (16) and a trisaccharide acceptor (1
The case of producing cyclomannohexaose (26) in which 6 mannoses are α-1,4-bonded will be described using 8), but the present invention is not limited to this and, for example, 2 It goes without saying that cyclomannoheptaose can be synthesized from a sugar donor and a pentasaccharide acceptor, and cyclomannooctaose can be synthesized from a tetrasaccharide donor and a tetrasaccharide acceptor, respectively.

まず出発化合物である化合物(16)と(18)はたとえば
次のように合成することができる。
First, compounds (16) and (18) as starting compounds can be synthesized, for example, as follows.

まず、TfOH(トリフルオロメタンスルホン酸)、TMSOTf
(トリメチルシリルトリフルオロメタンスルホネー
ト)、SnCl4等の触媒存在下、1,2−ジクロロエタン、CH
2Cl2、CHCl3、CCl4等の溶媒中、p−メトキシフェノー
ル又は とイミデートまたはアセテートを−30℃〜40℃で0.5〜2
4時間反応させて化合物(1)を得る。
First, TfOH (trifluoromethanesulfonic acid), TMSOTf
(Trimethylsilyltrifluoromethanesulfonate), 1,2-dichloroethane, CH in the presence of a catalyst such as SnCl 4
In a solvent such as 2 Cl 2 , CHCl 3 , CCl 4 , p-methoxyphenol or And imidate or acetate at -30 to 40 ℃ for 0.5 to 2
Compound (1) is obtained by reacting for 4 hours.

化合物(1)を、NaOMe-MeOH、K2CO3-MeOH、トリエチル
アミン−MeOH、KOH-MeOH等により0〜50℃で0.5〜24時
間処理して脱アセチル化し、化合物(2)を得る。
Compound (1) is deacetylated by treatment with NaOMe-MeOH, K 2 CO 3 -MeOH, triethylamine-MeOH, KOH-MeOH and the like at 0 to 50 ° C for 0.5 to 24 hours to obtain compound (2).

化合物(2)をトルエン、ベンゼン、キシレン等の溶媒
中(n-Bu3Sn)2O存在下、次いでBnBr/n-Bu4NBr存在下、80
〜150℃で4〜24時間処理して化合物(4)を得る。こ
の際、化合物(5)も副生する。
Compound (2) in a solvent such as toluene, benzene or xylene in the presence of (n-Bu 3 Sn) 2 O, then in the presence of BnBr / n-Bu 4 NBr, 80
The compound (4) is obtained by treating at ~ 150 ° C for 4 to 24 hours. At this time, the compound (5) is also produced as a by-product.

化合物(4)を、ピリジン、1,2−ジクロロエタン、CH2
Cl2、CHCl3等の溶媒中塩基又は脱水剤の存在下、p−ト
ルオイルクロライド、または無水p−メチル安臭香酸
と、−30〜20℃で0.5〜12時間反応させて化合物(7)
を得る。この際、化合物(8)も副生する。
Compound (4) was added to pyridine, 1,2-dichloroethane, CH 2
The compound (7) was reacted with p-toluoyl chloride or p-methylbenzoic anhydride in a solvent such as Cl 2 or CHCl 3 in the presence of a base or a dehydrating agent at −30 to 20 ° C. for 0.5 to 12 hours. )
To get At this time, the compound (8) is also produced as a by-product.

化合物(7)を、DMF、THF等の溶媒中、NaHCO3、ピリジ
ン等の塩基存在下、無水モノクロロ酸またはモノクロロ
アセチルクロライドと、0〜80℃で1〜12時間反応させ
て化合物(9)を得る。
Compound (7) is reacted with monochloroacetic anhydride or monochloroacetyl chloride in a solvent such as DMF and THF in the presence of a base such as NaHCO 3 and pyridine at 0 to 80 ° C. for 1 to 12 hours to give compound (9). obtain.

化合物(9)をCH3CN-H2O、THF-H2O中、硝酸セリウムア
ンモニウム等の酸化剤で0〜50℃で0.5〜8時間処理
し、メトキシフェニル基を脱離して化合物(10)を得
る。
The compound (9) is treated with an oxidizing agent such as cerium ammonium nitrate in CH 3 CN-H 2 O or THF-H 2 O at 0 to 50 ° C for 0.5 to 8 hours to remove the methoxyphenyl group to remove the compound (10 ) Get.

化合物(10)をCH2Cl2、THF、トルエン、CHCl3、1,2−
ジクロロエタン、CCl4等の溶媒中、DBU(ジアザビシク
ロウンデカン)、NaH、LiH、K2CO3、DABCO(1,4−ジア
ザビシクロ[2,2,2]オクタン)等の存在下トリクロロ
アセトニトリルと−20〜40℃で0.5〜6時間処理して化
合物(11)を得る。
Compound (10) was converted into CH 2 Cl 2 , THF, toluene, CHCl 3 , 1,2-
In a solvent such as dichloroethane or CCl 4 in the presence of DBU (diazabicycloundecane), NaH, LiH, K 2 CO 3 , DABCO (1,4-diazabicyclo [2,2,2] octane), trichloroacetonitrile and − Compound (11) is obtained by treating at 20-40 ° C for 0.5-6 hours.

化合物(7)と(11)を、モレキュラーシーヴス(MS)
AW300、MS4A、Drierite等の乾燥剤及びTMSOTAf、BF3・OE
t2、p-TsOH、PPTS(ピリジニウムp−トルエンスルホネ
ート)等の酸触媒存在下、1,2−ジクロロエタン、CH2Cl
2、CHCl3、THF、ベンゼン、トルエン、ニトロメタン等
の溶媒中、−20〜40℃で10分〜15時間反応させて、2糖
(12)を得る。
Compounds (7) and (11) with Molecular Sieves (MS)
Desiccant such as AW300, MS4A, Drierite and TMSOTAf, BF 3 · OE
In the presence of an acid catalyst such as t 2 , p-TsOH, PPTS (pyridinium p-toluenesulfonate), 1,2-dichloroethane, CH 2 Cl
2 , in a solvent such as CHCl 3 , THF, benzene, toluene, and nitromethane at -20 to 40 ° C for 10 minutes to 15 hours to obtain a disaccharide (12).

化合物(12)を、チオ尿素、ヒドラジンジチオカーボネ
ート(HDTC)、NaOMe、NaOEt等存在下、EtOH、MeOH、DM
F、THF等の溶媒中、10〜100℃で2分〜10時間反応させ
化合物(13)を得る。
Compound (12) in the presence of thiourea, hydrazine dithiocarbonate (HDTC), NaOMe, NaOEt, EtOH, MeOH, DM
The compound (13) is obtained by reacting in a solvent such as F or THF at 10 to 100 ° C. for 2 minutes to 10 hours.

化合物(11)と(13)を、化合物(7)と(11)の反応
と同様に反応させて3糖化合物(14)を得る。
Compounds (11) and (13) are reacted in the same manner as compounds (7) and (11) to obtain trisaccharide compound (14).

化合物(14)を、化合物(9)から(10)を製造する方
法と同様に処理して化合物(15)を得る。
Compound (14) is treated in the same manner as in the production of compounds (9) to (10) to obtain compound (15).

化合物(15)を、化合物(10)から(11)を製造する方
法と同様に処理して化合物(16)を得る。
Compound (15) is treated in the same manner as in the method of producing (11) from compound (10) to obtain compound (16).

化合物(16)を、MSAW300、MS4A等の乾燥剤及びBF3・OEt
2、TMSOTf、p-TsOH、PPTS等の酸触媒存在下、1,2−ジク
ロロエタン、CH2Cl2、CHCl3、CCl4、THF、ベンゼン、ニ
トロメタン等の溶媒中、n-Bu3SnSMeと、−20℃〜40℃で
10分〜20時間反応させて、化合物(17)を得る。
Compound (16) was added to a desiccant such as MSAW300, MS4A and BF 3 · OEt
2, TMSOTf, and p-TsOH, acid catalyst the presence of such PPTS, 1,2-dichloroethane, CH 2 Cl 2, CHCl 3 , CCl 4, THF, benzene, in a solvent nitromethane, n-Bu 3 SnSMe, -20 ℃ to 40 ℃
Compound (17) is obtained by reacting for 10 minutes to 20 hours.

化合物(17)を、化合物(12)から(13)を製造する方
法を同様に処理して化合物(18)を得る。
Compound (17) is treated in the same manner as in the method of producing (13) from compound (12) to obtain compound (18).

かくして得られた化合物(16)と(18)から、次のよう
にして本発明の目的化合物を得ることができる。
From the compounds (16) and (18) thus obtained, the target compound of the present invention can be obtained as follows.

まず、化合物(16)と(18)を、化合物(7)と(11)
から化合物(12)を製造する方法と同様に処理して化合
物(19)を得る。
First, the compounds (16) and (18) are replaced with the compounds (7) and (11).
Compound (19) is obtained by treating in the same manner as in the production of compound (12) from.

化合物(19)を、化合物(12)から(13)を製造する方
法と同様に処理して化合物(20)を得る。
Compound (19) is treated in the same manner as in the production of compounds (12) to (13) to give compound (20).

化合物(20)を、1,2−ジクロロエタン、CH2Cl2、CHC
l3、CCl4等の溶媒中、PPTS、p-TsOH等の存在下、−20℃
〜50℃で0.5〜10時間、エチルビニルエーテルと反応さ
せて化合物(21)を得る。
Compound (20) was added to 1,2-dichloroethane, CH 2 Cl 2 and CHC.
l 3, in a solvent such as CCl 4, PPTS, the presence of such p-TsOH, -20 ℃
The compound (21) is obtained by reacting with ethyl vinyl ether at -50 ° C for 0.5-10 hours.

化合物(21)を、化合物(1)と同様に脱アセチル化し
て化合物(22)を得る。
The compound (21) is deacetylated in the same manner as the compound (1) to obtain the compound (22).

化合物(22)を、NaH、KH/n-Bu4NI、Ag2O/KI、n-Bu4NHS
O4/NaOH等の存在下、DMF、THF、ジオキサン、アセトニ
トリル、トルエン、ベンゼン、キシレン等の溶媒中、Bn
BrまたはBnClと、0〜90℃で0.5〜12時間反応させてベ
ンジル化し、化合物(23)を得る。
Compound (22) was added to NaH, KH / n-Bu 4 NI, Ag 2 O / KI, n-Bu 4 NHS
In the presence of O 4 / NaOH, etc., in a solvent such as DMF, THF, dioxane, acetonitrile, toluene, benzene, xylene, Bn
Compound (23) is obtained by reacting with Br or BnCl at 0 to 90 ° C. for 0.5 to 12 hours for benzylation.

化合物(23)を、CHCl3、MeOH等の溶媒中、アンバーリ
スト15等を加え、0℃〜60℃で、0.5〜24時間処理して
エトキシエチル基を脱離し、化合物(24)を得る。
Amberlyst 15 and the like are added to the compound (23) in a solvent such as CHCl 3 and MeOH and treated at 0 ° C. to 60 ° C. for 0.5 to 24 hours to eliminate the ethoxyethyl group to obtain a compound (24).

化合物(24)をPhSeOTf、MeOTf、AgOTf-CuBr2‐Bu4NBr,
DMTST等の存在下、MS4A等の乾燥剤と共に1,2−ジクロロ
エタン、CH2Cl2、CHCl3、CCl4、ニトロメタン、トルエ
ン等の溶媒中、−20℃〜50℃で0.5〜18時間処理して環
化し、化合物(25)を得る。
Compound (24) was added to PhSeOTf, MeOTf, AgOTf-CuBr 2 -Bu 4 NBr,
In the presence of DMTST, etc., it is treated with a drying agent such as MS4A in a solvent such as 1,2-dichloroethane, CH 2 Cl 2 , CHCl 3 , CCl 4 , nitromethane, toluene at -20 ° C to 50 ° C for 0.5 to 18 hours. Cyclize to give compound (25).

化合物(25)を、10%Pd-C、5%Pd-C、Pd(OH)2、PtO2
等の存在下、H2、HCOOH、シクロヘキセノン等を、0〜5
0℃で1〜48時間反応させて脱ベンジル化し、化合物(2
6)を得る。
Compound (25) was added to 10% Pd-C, 5% Pd-C, Pd (OH) 2 , PtO 2
Etc. in the presence of H 2 , HCOOH, cyclohexenone, etc.
Debenzylation is carried out by reacting at 0 ° C for 1 to 48 hours to give compound (2
6) get

上記反応工程の一例を以下のスキームに示す。An example of the above reaction step is shown in the following scheme.

以下本発明を参考例、実施例により更に具体的に説明す
る。その内容は次のとおりである。
Hereinafter, the present invention will be described more specifically with reference to examples and examples. The contents are as follows.

出発化合物 生成物 参考例1 イミデート → (1) 2 アセテート → (1) 3 (1) → (2) 4 (2) → (4),(5) 5 (4) → (7),(8) 6 (7) → (9) 7 (9) → (10) 8 (10) → (11) 9 (7)+(10) → (12) 10 (12) → (13) 11 (13) → (14) 12 (14) → (15) 13 (15) → (16) 14 (16) → (17) 15 (17) → (18) 実施例1 (16)+(18) → (19) 2 (19) → (20) 3 (20) → (21) 4 (21) → (22) 5 (22) → (23) 6 (23) → (24) 7 (24) → (25) 8 (25) → (26) 参考例1 170℃、18hr、真空乾燥したMSAW300 1000mgをアルゴン
置換し、P−メトキシフェノール240mg(19.3mmol)/
乾燥1,2−ジクロロエタン2.0mlを加え、−22℃(CCl4
ドライアイス)に冷却後、イミデート476mg/乾燥1,2−
ジクロロエタン4.5ml溶液を加え、次にBF3OEt2 27.4m
g、24μl(0.193mmol)をマイクロシリンジで滴下し約
1hr冷却攪拌した。反応終了後Et3N 100μlを加え、更
にAcOEtにて希釈後セライトロ過後、NaHCO3aq、飽和食
塩水で洗い、有機層を無水硫酸マグネシウムにて乾燥し
た。ロ過、減圧濃縮し、フラッシュクロマトグラフィー
(トルエン/AcOEt/=4/1)で分離精製し化合物(1)を
420mg得た。
Starting compound Product Reference example 1 Imidate → (1) 2 Acetate → (1) 3 (1) → (2) 4 (2) → (4), (5) 5 (4) → (7), (8) 6 (7) → (9) 7 (9) → (10) 8 (10) → (11) 9 (7) + (10) → (12) 10 (12) → (13) 11 (13) → ( 14) 12 (14) → (15) 13 (15) → (16) 14 (16) → (17) 15 (17) → (18) Example 1 (16) + (18) → (19) 2 ( 19) → (20) 3 (20) → (21) 4 (21) → (22) 5 (22) → (23) 6 (23) → (24) 7 (24) → (25) 8 (25) → (26) Reference Example 1 170 ° C., 18 hours, vacuum-dried MSAW300 1000 mg was replaced with argon, and P-methoxyphenol 240 mg (19.3 mmol) /
Dry 1,2-dichloroethane 2.0ml added, -22 ℃ (CCl 4 -
Imidate 476 mg / dry 1,2-
Add 4.5 ml dichloroethane solution, then BF 3 OEt 2 27.4 m
g, 24 μl (0.193 mmol) with a micro syringe
The mixture was cooled and stirred for 1 hr. After the reaction was completed, 100 μl of Et 3 N was added, further diluted with AcOEt, filtered through Celite, washed with NaHCO 3 aq and saturated brine, and the organic layer was dried over anhydrous magnesium sulfate. After filtration and concentration under reduced pressure, separation and purification by flash chromatography (toluene / AcOEt / = 4/1) gave compound (1)
I got 420 mg.

〔化合物(1)の性質〕 TLC,Rf=0.26(トルエン/AcOEt=4/1) ▲〔α〕D25▼:+69.57(C=3.01 CHCl3) 元素分析 (C21H26O11): 計算値;C:55.51 H:5.77 測定値;C:55.61 H:5.791 HNMR;7.020(2H d J=9.2 6.826(2H d J=9.2 5.547(1H dd J=3.7,10.1,H-3)、5.437(1H dd J=1.
8,3.4,H-2)、 5.408(1H d J=1.8 H-1)、5.354(1H dd J=10.1,10.
1 H-3)、4.278(1H dd J=5.5 12.2 H-6)、 4.142(1H ddd J=2.4 5.5 10.1 H-5)、 4.093(1H dd J=2.4 12.2 H-6′)、3.769(3H s 2.189,2.057,2.044,2.032(12H s 参考例2 アセテート505mg(1.294mmol)、P−メトキシフェノー
ル317mg(2.55mmol)を測り取り系内をアルゴン置換
し、乾燥ジクロロエタン4mlを加え、0℃に冷却した。
マイクロシリンジにてTfOH 32mg 19μl(0.213mmol)
を導入し、6hr、室温にて攪拌した。反応終了後、冷却
下、NaHCO3aq 0.5mlを加え中和、さらに酢酸エチル120m
lにて希釈し、NaHCO3aq飽和食塩水で洗い、有機層を無
水硫酸マグネシウムにて乾燥した。ロ過減圧濃縮後フラ
ッシュクロマトグラフィー(n−ヘキサン/AcOEt=10/
7)にて、分離精製し、化合物(1)を535mg得た。(収
率91%) 〔化合物(1)の性質〕 TLC,Rf=0.26(トルエン/AcOEt=4/1) ▲〔α〕D25▼:+69.57°(C=3.01 CHCl3) 参考例3 化合物(1)300mg(0.66mmol)をアルゴン置換下メタ
ノール15mlに溶解し、1N NaOMe 3ml(3mmol)を加え、
室温で、18hr攪拌後、アンバーリスト15.1gを加え中和
し、ロ過、減圧濃縮後、フラッシュクロマトグラフィー
(CH2Cl2/MeOH=6/1)で分離精製し、化合物(2)162m
g(95%)を得た。
[Properties of compound (1)] TLC, Rf = 0.26 (toluene / AcOEt = 4/1) ▲ [α] D 25 ▼: +69.57 (C = 3.01 CHCl 3 ) Elemental analysis (C 21 H 26 O 11 ) : Calcd; C: 55.51 H: 5.77 Measured; C: 55.61 H: 5.79 1 HNMR; 7.020 (2H d J = 9.2 6.826 (2H d J = 9.2 5.547 (1H dd J = 3.7, 10.1, H-3), 5.437 (1H dd J = 1.
8,3.4, H-2), 5.408 (1H d J = 1.8 H-1), 5.354 (1H dd J = 10.1, 10.
1 H-3), 4.278 (1H dd J = 5.5 12.2 H-6), 4.142 (1H ddd J = 2.4 5.5 10.1 H-5), 4.093 (1H dd J = 2.4 12.2 H-6 '), 3.769 (3H s 2.189,2.057,2.044,2.032 (12H s Reference Example 2 Acetate 505 mg (1.294 mmol) and P-methoxyphenol 317 mg (2.55 mmol) were measured, the system was replaced with argon, 4 ml of dry dichloroethane was added, and the mixture was cooled to 0 ° C.
TfOH 32mg 19μl (0.213mmol) with a microsyringe
Was introduced and stirred at room temperature for 6 hours. After completion of the reaction, under cooling, 0.5 ml of NaHCO 3 aq was added to neutralize, and 120 m of ethyl acetate was added.
It was diluted with l, washed with NaHCO 3 aq saturated saline, and the organic layer was dried over anhydrous magnesium sulfate. After flash concentration under reduced pressure, flash chromatography (n-hexane / AcOEt = 10 /
Separation and purification in 7) yielded 535 mg of compound (1). (Yield 91%) [Properties of compound (1)] TLC, Rf = 0.26 (toluene / AcOEt = 4/1) ▲ [α] D 25 ▼: + 69.57 ° (C = 3.01 CHCl 3 ) Reference Example 3 300 mg (0.66 mmol) of the compound (1) was dissolved in 15 ml of methanol under argon substitution, and 3 ml (3 mmol) of 1N NaOMe was added,
After stirring for 18 hours at room temperature, 15.1 g of Amberlyst was added to neutralize, filtered, concentrated under reduced pressure, separated and purified by flash chromatography (CH 2 Cl 2 / MeOH = 6/1), and compound (2) 162 m
g (95%) was obtained.

〔化合物(2)の性質〕 TLC,Rf=0.26(CHCl3/MeOH=7/1) m.p.=152〜153℃(白色結晶) 〔α〕D:+112.94°(C=1.26、MeOH) 元素分析 (C13H18O7): 計算値;C:54.38 H:6.36 測定値;C:54.45 H:6.351 H NMR;(CDCl3)7.035 2H J=9.5 6.831(2H d J=9.2 5.339(1H d J=1.8 H-1)、3.994(1H dd J=1.8,3.4
H-2)、 3.887(1H dd J=3.4,9.5 H-3)、3.778(1H,dd J=2.8
11.9 H-6)、3.74(3H s 3.71〜3.74(2H m H-4)、3.653(1H ddd J=2.8,5.2,
9.5 H-5) 参考例4 化合物(2)95mg(0.33mmol)をトルエン15mlに溶解し
(nBu3Su)2O 496mg(0.833mmol)を加え、140℃、4hrで
共沸脱水した。トルエン除去後、トルエン5mlを加えBnB
r 847mg、589μl(4.95mmol)更にn-Bu4NBr 5.3mg(0.
017mmol)を加え120℃、19hr加熱攪拌した。反応終了後
テトラリンを加え減圧蒸留にて過剰のBnBr、トルエンを
留去した。AcOEtで希釈し、KFaqを加えて1hr攪拌し、セ
ライトロ過後、水、NaHCO3aq、飽和食塩水で洗い有機層
を無水硫酸マグネシウムにて乾燥後ロ過、減圧濃縮し、
フラッシュクロマトグラフィー(トルエン/AcOEt=5/
2)で分離精製し、化合物(4)を108mg(70.0%)、化
合物(5)を26.5mg(14.4%)得た。
[Properties of Compound (2)] TLC, Rf = 0.26 (CHCl 3 / MeOH = 7/1) mp = 152 to 153 ° C. (white crystals) [α] D: + 112.94 ° (C = 1.26, MeOH) Element Analysis (C 13 H 18 O 7 ): Calculated; C: 54.38 H: 6.36 Found; C: 54.45 H: 6.35 1 H NMR; (CDCl 3 ) 7.035 2H J = 9.5 6.831 (2H d J = 9.2 5.339 (1H d J = 1.8 H-1), 3.994 (1H dd J = 1.8,3.4
H-2), 3.887 (1H dd J = 3.4,9.5 H-3), 3.778 (1H, dd J = 2.8
11.9 H-6), 3.74 (3H s 3.71 to 3.74 (2H m H-4), 3.653 (1H ddd J = 2.8,5.2,
9.5 H-5) Reference Example 4 Compound (2) 95 mg (0.33 mmol) was dissolved in toluene 15 ml, (nBu 3 Su) 2 O 496 mg (0.833 mmol) was added, and azeotropic dehydration was carried out at 140 ° C. for 4 hours. After removing toluene, add 5 ml of toluene and add BnB.
r 847 mg, 589 μl (4.95 mmol) and n-Bu 4 NBr 5.3 mg (0.
017 mmol) was added and the mixture was heated with stirring at 120 ° C. for 19 hours. After completion of the reaction, tetralin was added and the excess BnBr and toluene were distilled off by vacuum distillation. Dilute with AcOEt, add KFaq and stir for 1 hr, filter through Celite, wash with water, NaHCO 3 aq, saturated brine, dry organic layer over anhydrous magnesium sulfate, filter and concentrate under reduced pressure.
Flash chromatography (toluene / AcOEt = 5 /
The compound (4) was separated and purified to obtain 108 mg (70.0%) of the compound (4) and 26.5 mg (14.4%) of the compound (5).

〔化合物(4)の性質〕 TLC,Rf=0.27(トルエン/AcOEt=5/2) ▲〔α〕D22▼:+73.9°(C=1.94、CHCHl3) 元素分析(C27H30O7):測定値;C:69.51 H:6.48 計算値;C:69.68 H:6.63 (4)1 HNMR;6.75〜7.42(14H m アロマティック)、 5.467(1H d J=1.5 H-1)、4.763(1H d J=11.6 Bn×
1/2)、4.719(1H d J=11.6 Bn×1/2)、4.550(1H d
J=11.9,Bn×1/2)、4.490(1H d J=11.9 Bn×1/2)、 4.163(1H dd J=1.5,3.4 H-2)、4.013(1H dd J=9.5
9.5 H-4)、3.900(1H ddd J=4.3,4.9,9.2H-5)、3.8
79(1H dd J=3.4 9.2 H-3)、3.745(3H 3.738(1H dd J=4.9,10.4 H-6)、3.709(1H dd J=4.
3,10.4 H-6′) (4)のアセチル体1 HNMR;6.75〜7.34(14H m アロマティック)、 5.523(1H dd J=1.8,3.4,H-2)、5.410(1H d J=1.8
H-1)、5.331(1H dd J=9.8,10.1,H-4)、4.707(1H d
J=12.2,Bn×1/2)、4.513(1H d J=11.6 Bn×1/
2)、 4.505(1H d J=12.4 Bn×1/2)、4.454(1H d J=12.4
Bn×1/2)、4.059(1H dd J=3.4,9.8,H-3)、4.0〜4.
05(1H m H-5)、3.757(3H s 3.579(1H dd J=4.9,10.7 H-6)、3.549(1H dd J=3.
4,10.7 H-6′)、2.156,1.926, (6H S 〔化合物(5)の性質〕 TLC,Rf=0.65(トルエン/AcOEt=5/2) ▲〔α〕D23▼:+24.7°(C:0.83 CHCl3) 元素分析(C34H36O7): 計算値;C:73.36 H:6.52 測定値;C:73.34 H:6.61 (5)1 HNMR;6.77〜7.4(19H m アロマティック)、 5.457(1H d J=1.8,H-1)、4.732(1H d J=11.6 Bn×
1/2)、4.703(1H d J=11.6 Bn×1/2)、4.666(1H d
J=11.6,Bn×1/2)、4.608(1H d J=11.6 Bn×1/2)、 4.578(1H d J=11.9 Bn×1/2)、4.508(1H d J=11.9
Bn×1/2)、4.163(1H dd J=9.5,9.8,H-4)、3.956
(1H dd J=1.8,3.1 H-2)、3.916(1H dd J=3.1,9.5,
H-3)、3.87〜3.93(1H m H-5)、3.74〜3.78(1H m H-
6′)、3.748(3H 3.751(1H dd J=2.4,10.1 H-6)、2.590(1H S OH-4) (5)のアセチル体1 HNMR;6.75〜7.4(19H m アロマティック)、 5.458(1H dd J=9.8,9.8,H-4)、5.422(1H d J=2.1
H-1)、4.797(1H d J=12.5 Bn×1/2)、4.728(1H d
J=12.5 Bn×1/2)、4.645(1H d J=11.9 Bn×1/2)、 4.559(1H d J=12.2 Bn×1/2)、4.491(1H d J=11.6
Bn×1/2)、4.458(1H d J=11.6 Bn×1/2)、 4.013(1H dd J=3.1,9.5 H-3)、3.97〜4.04(1H m H-
5)、3.954(1H dd J=2.1,3.1,H-2)、3.75(3H 3.615(1H dd J=6.1 11.0 H-6)、 3.568(1H dd J=3.1,10.0,H-6′)、 1.929(3H s 参考例5 化合物(4)115mg(0.246mmol)をアルゴン置換下で乾
燥ピリジンに溶解し、容器を−23℃(ドライアイス−CC
l4)に冷却し、P−トルオイルクロライド85μl(0.64
mmol)を加え、4hr攪拌した。反応終了後、メタノール
0.4mlを加え、AcOEt 120mlで希釈し、H2O 30ml、NaHCO3
aq 40ml、飽和食塩水40mlで洗い、有機層をMgSO4(無
水)にて、乾燥し、ロ過、減圧濃縮し、フラッシュクロ
マトグラフィー(n−ヘキサン/AcOEt=5/1)にて分離
精製し、化合物(7)118.5mg(80.2%)、化合物
(8)18mg(10.4%)を得た。
[Properties of compound (4)] TLC, Rf = 0.27 (toluene / AcOEt = 5/2) ▲ [α] D 22 ▼: + 73.9 ° (C = 1.94, CHCHl 3 ) Elemental analysis (C 27 H 30 O 7 ): measured value; C: 69.51 H: 6.48 calculated value; C: 69.68 H: 6.63 (4) 1 HNMR; 6.75 to 7.42 (14 H m aromatic), 5.467 (1 H d J = 1.5 H-1), 4.763 (1H d J = 11.6 Bn x
1/2), 4.719 (1H d J = 11.6 Bn x 1/2), 4.550 (1H d
J = 11.9, Bn × 1/2), 4.490 (1H d J = 11.9 Bn × 1/2), 4.163 (1H dd J = 1.5,3.4 H-2), 4.013 (1H dd J = 9.5)
9.5 H-4), 3.900 (1H ddd J = 4.3,4.9,9.2H-5), 3.8
79 (1H dd J = 3.4 9.2 H-3), 3.745 (3H 3.738 (1H dd J = 4.9, 10.4 H-6), 3.709 (1H dd J = 4.
3,10.4 H-6 ′) (4) acetyl 1 HNMR; 6.75 to 7.34 ( 14 H m aromatic), 5.523 (1 H dd J = 1.8,3.4, H-2), 5.410 (1 H d J = 1.8)
H-1), 5.331 (1H dd J = 9.8, 10.1, H-4), 4.707 (1H d
J = 12.2, Bn × 1/2), 4.513 (1H d J = 11.6 Bn × 1 /
2), 4.505 (1H d J = 12.4 Bn x 1/2), 4.454 (1H d J = 12.4)
Bn × 1/2), 4.059 (1H dd J = 3.4,9.8, H-3), 4.0 to 4.
05 (1H m H-5), 3.757 (3H s 3.579 (1H dd J = 4.9, 10.7 H-6), 3.549 (1H dd J = 3.
4,10.7 H-6 ′), 2.156,1.926, (6H S [Properties of compound (5)] TLC, Rf = 0.65 (toluene / AcOEt = 5/2) ▲ [α] D 23 ▼: + 24.7 ° (C: 0.83 CHCl 3 ) Elemental analysis (C 34 H 36 O 7 ): Calculated value; C: 73.36 H: 6.52 measured value; C: 73.34 H: 6.61 (5) 1 HNMR; 6.77 to 7.4 (19 H m aromatic), 5.457 (1 H d J = 1.8, H-1), 4.732 (1H d J = 11.6 Bn x
1/2), 4.703 (1H d J = 11.6 Bn x 1/2), 4.666 (1H d
J = 11.6, Bn × 1/2), 4.608 (1H d J = 11.6 Bn × 1/2), 4.578 (1H d J = 11.9 Bn × 1/2), 4.508 (1H d J = 11.9)
Bn x 1/2), 4.163 (1H dd J = 9.5,9.8, H-4), 3.956
(1H dd J = 1.8,3.1 H-2), 3.916 (1H dd J = 3.1,9.5,
H-3), 3.87 to 3.93 (1H m H-5), 3.74 to 3.78 (1H m H-
6 '), 3.748 (3H 3.751 (1H dd J = 2.4,10.1 H-6), 2.590 (1H S OH-4) (5) acetyl 1 HNMR; 6.75 to 7.4 (19H m aromatic), 5.458 (1H dd J = 9.8,9.8) , H-4), 5.422 (1H d J = 2.1
H-1), 4.797 (1H d J = 12.5 Bn x 1/2), 4.728 (1H d
J = 12.5 Bn × 1/2), 4.645 (1H d J = 11.9 Bn × 1/2), 4.559 (1H d J = 12.2 Bn × 1/2), 4.491 (1H d J = 11.6)
Bn x 1/2), 4.458 (1H d J = 11.6 Bn x 1/2), 4.013 (1H dd J = 3.1,9.5 H-3), 3.97 to 4.04 (1H m H-
5), 3.954 (1H dd J = 2.1,3.1, H-2), 3.75 (3H 3.615 (1H dd J = 6.1 11.0 H-6), 3.568 (1H dd J = 3.1, 10.0, H-6 '), 1.929 (3H s Reference Example 5 115 mg (0.246 mmol) of the compound (4) was dissolved in dry pyridine under substitution with argon, and the container was cooled to -23 ° C (dry ice-CC).
It is cooled to l 4 ) and 85 μl of P-toluoyl chloride (0.64
mmol) was added and stirred for 4 hours. After completion of the reaction, methanol
0.4 ml was added, diluted with AcOEt 120 ml, H 2 O 30 ml, NaHCO 3
It was washed with 40 ml of aq and 40 ml of saturated saline, and the organic layer was dried over MgSO 4 (anhydrous), filtered, concentrated under reduced pressure, and separated and purified by flash chromatography (n-hexane / AcOEt = 5/1). , Compound (7) 118.5 mg (80.2%) and Compound (8) 18 mg (10.4%) were obtained.

〔化合物(7)の性質〕 TLC,Rf=0.37(ヘキサン/AcOEt=3/1) ▲〔α〕D23▼:+10.5°(C=0.8 CHCl3) 元素分析(C35H36O8):計算値;C:71.90 H:6.14 測定値;C:71.98 H:6.211 HNMR(CDCl3);6.77〜7.95(18H m アロマティック、5.
747(1H dd J=1.8,3.1,H-2)、5.565(1H d J=1.8 H-
1)、4.850(1H d J=11.0 Bn×1/2)、 4.649(1H d J=11.9 Bn×1/2)、4.568(1H d J=11.0
Bn×1/2)、4.545(1H d J=11.9 Bn×1/2)、 4.292(1H dd J=9.5,9.8 H-4)、4.094(1H dd J=3.
1,9.5,H-3)、4.020(1H m H-5)、 3.857(1H dd J=4.9 11.0 H-6)、3.802(1H dd J=3.
1,10.7 H-6)、3.758(3H s 2.556(1H d J=2.1 OH-4)、2.404(3H 〔化合物(8)の性質〕 化合物8 TLC,Rf=0.83(トルエン/AcOEt=6/1) ▲〔α〕D22▼:−18.6°(C=0.74、CHCl3) 元素分析 計算値(C43H42O9;C:73.49 H:6.02 ;C:73.54 H:6.13 参考例6 化合物(7)557mg(0.953mmol)をアルゴン置換下乾燥
DMF 4.0mlに溶解した容器に、無水モノクロロ酢酸489mg
(2.86mmol)を乾燥DMF 5mlに溶解し加え、さらに炭酸
水素ナトリウム48mg(0.572mmol)を加え室温で約4hr攪
拌した。反応終了後、溶液をiCl-H2O 50ml中に加え攪拌
し約250mlのAcOEtにて抽出し、NaHCO3aqで洗い有機層を
無水硫酸マグネシウムにて乾燥し、ロ過減圧濃縮後フラ
ッシュクロマトグラフィー(n−ヘキサン/AcOEt=3/
1)にて分離精製し、化合物(9)(506mg)を得た。
[Properties of compound (7)] TLC, Rf = 0.37 (hexane / AcOEt = 3/1) ▲ [α] D 23 ▼: + 10.5 ° (C = 0.8 CHCl 3 ) Elemental analysis (C 35 H 36 O 8 ): Calculated value; C: 71.90 H: 6.14 measured value; C: 71.98 H: 6.21 1 HNMR (CDCl 3 ); 6.77 ~ 7.95 (18H m aromatic, 5.
747 (1H dd J = 1.8,3.1, H-2), 5.565 (1H d J = 1.8 H-
1), 4.850 (1H d J = 11.0 Bn x 1/2), 4.649 (1H d J = 11.9 Bn x 1/2), 4.568 (1H d J = 11.0)
Bn × 1/2), 4.545 (1H d J = 11.9 Bn × 1/2), 4.292 (1H dd J = 9.5,9.8 H-4), 4.094 (1H dd J = 3.
1,9.5, H-3), 4.020 (1H m H-5), 3.857 (1H dd J = 4.9 11.0 H-6), 3.802 (1H dd J = 3.
1,10.7 H-6), 3.758 (3H s 2.556 (1H d J = 2.1 OH-4), 2.404 (3H [Properties of Compound (8)] Compound 8 TLC, Rf = 0.83 (toluene / AcOEt = 6/1) ▲ [α] D 22 ▼: -18.6 ° (C = 0.74, CHCl 3 ) Elemental analysis calculated value (C 43 H 42 O 9 ; C: 73.49 H: 6.02; C: 73.54 H: 6.13 Reference Example 6 557 mg (0.953 mmol) of compound (7) was dried under argon substitution.
In a container dissolved in 4.0 ml of DMF, 489 mg of anhydrous monochloroacetic acid
(2.86 mmol) was dissolved in 5 ml of dry DMF, 48 mg (0.572 mmol) of sodium hydrogen carbonate was further added, and the mixture was stirred at room temperature for about 4 hr. After the reaction was completed, the solution was added to 50 ml of iCl-H 2 O, stirred and extracted with about 250 ml of AcOEt, washed with NaHCO 3 aq, the organic layer was dried over anhydrous magnesium sulfate, and concentrated by filtration under reduced pressure and flash chromatography. (N-hexane / AcOEt = 3 /
Separation and purification in 1) yielded compound (9) (506 mg).

収率(91%) 〔化合物(9)の性質〕 TLC,Rf=0.38(n−ヘキサン/AcOEt=3/1) ▲〔α〕D22▼:−3.0°(C:0.47 CHCl3) 元素分析 計算値 C:67.22 H:5.64 測定値 C:67.48 H:5.891 HNMR;(CDCl3);6.78〜7.96(18H m アロマティッ
ク)、5.733(1H dd J=1.8,3.1 H-2)、 5.610(1H dd J=9.8,10.1 H-4)、5.559(1H d J=1.8
H-1)、4.747(1H d J=12.2 Bn×1/2)、 4.549(1H d J=11.6 Bn×1/2)、4.520(1H d J=12.2
Bn×1/2)、4.461(1H d J=11.3 Bn×1/2)、 4.200(1H dd J=3.4 9.8 H-3)、4.103(1H ddd J=3.
7,4.3,10.1,H-5)、3.804(1H d J=14.7 3.771(1H d J=14.7 3.760(3H s 3.645(1H dd J=3.4 10.7 H-6)、3.611(1H dd J=4.
6,10.7 H-6′)、2.402(3H 参考例7 化合物(9)150mg(0.23mmol)をアセトニトリル1.2m
l、H2O 0.3mlに溶解し0℃(水−氷)にて冷却し、硝酸
第2セリウムアンモニウム(CAN)378mg(0.69mmol)を
加え3hr攪拌した。反応終了後、AoOEt 100mlで希釈し、
水40ml NaHCO3aq 40ml飽和食塩水30mlで洗い、有機層を
無水硫酸マグネシウムで乾燥し、ロ過、減圧濃縮し、フ
ラッシュクロマトグラフィー(n−ヘキサン/AcOEt=4/
1)で分離精製し、化合物(10)を得た。収率75% 〔化合物(10)の性質〕 TLC,Rf=0.22(n−ヘキサン=AcOEt=3/1) 元素分析(C30H31O8Cl): 計算値;C:64.92 H:5.63 Cl:6.39 測定値;C:65.32 H:5.70 参考例8 化合物(10)282mg(0.508mmol)をアルゴン雰囲気下乾
燥ジクロロエタン2.5mlに溶解し、−23℃(CCl4−ドラ
イアイス)に冷却し、トリクロロアセトニトリル734m
g、509μl(5.08mmol)、DBU7.6μl(0.051mmol)を
加え2.5hr攪拌した。反応終了後フラッシュクロマトグ
ラフィー(n−ヘキサン/AcOEt=5/1)にて分離精製し
シラップ状の(11)を290mg得た。
Yield (91%) [Property of compound (9)] TLC, Rf = 0.38 (n-hexane / AcOEt = 3/1) ▲ [α] D 22 ▼: -3.0 ° (C: 0.47 CHCl 3 ) Elemental analysis Calculated value C: 67.22 H: 5.64 Measured value C: 67.48 H: 5.89 1 HNMR; (CDCl 3 ); 6.78 to 7.96 (18 H m aromatic), 5.733 (1H dd J = 1.8,3.1 H-2), 5.610 ( 1H dd J = 9.8,10.1 H-4), 5.559 (1H d J = 1.8
H-1), 4.747 (1H d J = 12.2 Bn x 1/2), 4.549 (1H d J = 11.6 Bn x 1/2), 4.520 (1H d J = 12.2
Bn x 1/2), 4.461 (1H d J = 11.3 Bn x 1/2), 4.200 (1H dd J = 3.4 9.8 H-3), 4.103 (1H ddd J = 3.
7,4.3,10.1, H-5), 3.804 (1H d J = 14.7 3.771 (1H d J = 14.7 3.760 (3H s 3.645 (1H dd J = 3.4 10.7 H-6), 3.611 (1H dd J = 4.
6,10.7 H-6 '), 2.402 (3H Reference Example 7 Compound (9) 150 mg (0.23 mmol) was added to acetonitrile 1.2 m.
1, dissolved in 0.3 ml of H 2 O, cooled at 0 ° C. (water-ice), added 378 mg (0.69 mmol) of ceric ammonium nitrate (CAN) and stirred for 3 hours. After the reaction was completed, dilute with 100 ml of AoOEt,
Water 40 ml NaHCO 3 aq 40 ml Saturated saline solution 30 ml was washed, the organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure, and flash chromatography (n-hexane / AcOEt = 4 /
The compound (10) was obtained by separation and purification in 1). Yield 75% [Property of compound (10)] TLC, Rf = 0.22 (n-hexane = AcOEt = 3/1) Elemental analysis (C 30 H 31 O 8 Cl): Calculated value; C: 64.92 H: 5.63 Cl : 6.39 measured value; C: 65.32 H: 5.70 Reference Example 8 282 mg (0.508 mmol) of compound (10) was dissolved in 2.5 ml of dry dichloroethane under an argon atmosphere, cooled to -23 ° C (CCl 4 -dry ice), and trichloromethane was added. Acetonitrile 734m
g, 509 μl (5.08 mmol) and DBU 7.6 μl (0.051 mmol) were added and stirred for 2.5 hours. After completion of the reaction, separation and purification were carried out by flash chromatography (n-hexane / AcOEt = 5/1) to obtain 290 mg of syrup-like (11).

〔化合物(11)の性質〕 TLC,Rf=0.56(n−ヘキサン/AcOEt=5/1) ▲〔α〕D23▼:−20.1(C=1.88 CDCl3) 元素分析(C33H31O8NCl4); 計算値;C;54.95 H;4.47 N;2.00 測定値;C;54.77 H;4.43 N;1.961 HNMR(CDCl3);8.754(1H S-NH)、7.953(2H d J=8.2 7.19〜7.35(12H mアロマティック、6.414(1H,d J=2.
1 H-1)、5.705(1H dd J=2.1,3.1,H-2)、 5.652(1H dd J=9.8 10.1,H-4)、4.701(1H d J=12.
2 Bn×1/2)、4.572(1H d J=11.6 Bn×1/2)、 4.489(1H d J=11.3 Bn×1/2)、 4.487(1H d J=12.9 Bn×1/2)、 10.1 4.061(1H ddd J=3.7,4.0,9.8 H-5)、 3.799(2H 3.671(1H dd J=3.7,11.0 H-6)、3.634(1H dd J=4.
0,11.0 H-6′)、 2.406(3H 参考例9 190℃ 18hr真空乾燥したMS4A1500mgをアルゴン置換し、
化合物(7)134.5(0.230mmol)/乾燥1,2−ジクロロ
エタン4.0mlを加え、−22℃(CCl4−ドライアイス)に
冷却後、供与体(11)133.6mg(0.191mmol)/乾燥1,2
−ジクロロエタン4.0mlを加え攪拌した。次にTSOTf7.3
μl(0.038mmol)/1,2−ジクロロエタン0.5ml滴下30分
後、Et3Nを加え、AcOEtにて希釈後セライトロ過、NaHCO
3aq、飽和食塩水にて洗い、有機層を無水硫酸マグネシ
ウムにて乾燥更にロ過、減圧濃縮し、フラッシュクロマ
トグラフィー(n−ヘキサン/AcOEt=5/1)にて、分離
精製し、化合物(12)を186mg得た。収率(87%) 〔化合物(12)の性質〕 TLC.Rf=0.56(n−ヘキサン/AcOEt=3/1) ▲〔α〕D23▼=−3.19(C=1.35 CHCHl3) 元素分析(C65H65O15Cl) 計算値;C:69.60 H:5.84 測定値;C:69.70 H:5.821 HNMR(CDCl3);6.82〜7.92(32H mアロマティック)、
5.737(1H dd J=1.8,3.1 H-2a又はH-2b)、 5.715(1H dd J=1.8,3.1 H-2a又はH-2b)、 5.632(1H d J=1.8 H-1a又はH-1b)、5.558(1H d J=
1.8H-1a又はH-1b)、5.480(1H dd J=9.8 10.1H-4
b)、4.769(1H d J=11.0 Bn×1/2)、 4.711(1H d J=12.2 Bn×1/2)、4.628(1H d J=11.0
Bn×1/2)、4.587(1H d J=11.6 Bn×1/2)、 4.506(1H d J=11.9 Bn×1/2)、4.483(1H d J=11.9
Bn×1/2)、4.383(1H d J=12.2 Bn×1/2)、 4.415(1H dd J=9.5,10.4 H-4a)、4.305(1H d J=1
1.6 Bn×1/2)、4.296(1H dd J=3.1,9.5H-3b)、 4.02〜4.046(1H m H-5a又はH-5b)、3.909(1H dd J=
3.1 9.5 H-3a)、3.872(1H dd J=4.6 11.6 H-6a)、 3.786(1H dd J=1.8,11.9 H-6c)、 3.774(3H 3.734(1H d J=14.3 3.765(1H d J=12.2 3.453(1H dd J=3.4 10.7)3.422(1H dd J=4.0,10.7
H-6′b)、2.381(6H s 参考例10 化合物(12)853mg(0.760mmol)をEtOH45mlに溶解し、
チオ尿素203mg(2.66mmol)を加え、90℃ 8hr攪拌し
た。反応終了後AcOEt400mlで希釈し、水NaHCO3aq、飽和
食塩水で洗い有機層を無水硫酸マグネシウムにて乾燥し
た。ロ過、減圧濃縮し、フラッシュクロマトグラフィー
(n−ヘキサン/AcOEt=5/2)にて分離精製し化合物(1
3)を778.6mg得た。収率(0.8%) 〔化合物(13)の性質〕 TLC,Rf=0.23(n−ヘキサン/AcOEt=3/1) ▲〔α〕D18▼=−11.70°(C:1.94 CHCl3) 元素分析(C63H64O14) 計算値;C:72.37 H:6.18 測定値;C:72.33 H:6.141 HNMR(CDCl3);6.81〜7.92(32H mアロマティック)、
5.745(1H dd J=1.8,3.1 H-2a又は2b)、 5.726(1H dd J=1.8,3.1 H-2a又は2b)、 5.628(1H d J=1.8,H-1a又は1b)、5.554(1H d J=1.
8,H-1a又は1b)、4.481(1H d J=11.3 Bn×1/2)、 4.775(1H d J=11.0 Bn×1/2)、4.625(1H d J=10.
7,Bn×1/2)、4.581(1H d J=10.7 Bn×1/2)、4.579
(1H d J=11.9 Bn×1/2)、4.519(1H d J=11.9 Bn×
1/2)、4.429(1H dd J=8.9,9.5 H-4a)、 4.424(2H d J=10.7 Bn×1)、4.299(1H dd J=3.1,
9.2,H-3b)、4.110(1H dd J=9.5,10.4 H-4b)、4.025
〜4.050(1H m H-5a又は5b)、 3.903(1H dd J=4.6 11.3 H-6a)、3.800(1H dd J=
3.4 9.8 H-3a)、3.769(3H 3.720(1H dd J=4.0 10.4 H-6b)、3.612(1H dd J=
2.1,10.4,H-6b)、3.77〜3.86(2H m H-5a又は5b、 H-6a′)、2.486(1H s OH-4b)、2.381(3H s 2.378(3H 参考例11 190℃、18hr真空乾燥したMS4A800mgをアルゴン置換し、
化合物(13)96mg(91μmmol)/乾燥1,2−ジクロロエ
タン3.0mlを加え、−22℃(CCl4−ドライアイス)に冷
却後供与体(11)70mg/乾燥1,2−ジクロロエタン3.0ml
を加え攪拌した。次にTMSOTf4μl(20μmmol)滴下、3
0分後、Et3Nを加え、AcOEtにて希釈後、セライトロ過Na
HCO3aq、飽和食塩水にて洗い、有機層を無水硫酸マグネ
シウムにて乾燥、更にロ過、減圧濃縮し、フラッシュク
ロマトグラフィー(n−ヘキサン/AcOEt=3/1)にて分
離精製し、化合物(14)を121.4mg得た。収率(84%) 〔化合物(14)の性質〕 TLC,Rf=0.29(n−ヘキサン/AcOEt=3/1) ▲〔α〕D19▼=−26.4°(C:1.135 CHCl3) 元素分析 (C93H93O21Cl): 計算値;C:70.60 H:5.92 測定値;C:70.12 H:5.881 HNMR(CDCl3);7.82〜7.92、6.83〜7.35(46H m アロマ
ティック)、5.753(2H m H−2a〜c×2)、 5.680(1H dd J=1.8,3.1 H−2a〜c×1)、5.582
(2H d J=1.8H−1a〜c×2)、5.563(1H d J=1.5
H−1a〜c×1)、5.468(1H dd J=9.8,10.1 H-4
c)、4.780(1H d J=10.7 Bn×1/2)、4.769(1H d J
=10.4 Bn×1/2)、 4.713(1H d J=12.2 Bn×1/2)、4.663(1H d J=10.7
Bn×1/2)、4.620(1H d J=11.6 Bn×1/2)、4.559
(1H d J=11.9 Bn×1/2)、4.528(1H d J=11.6 Bn×
1/2)、4.474(1H d J=10.7 Bn×1/2)、4.433(1H d
J=11.6 Bn×1/2)、4.407(1H dd J=9.8,10.1 H−4
a〜b×1)、4.398(1H d J=10.7 Bn×1/2)、4.375
(1H d J=12.2 Bn×1/2 、4.338(1H dd J=9.5,9.5H
−4a〜b×1)、4.316(1Hdd J=3.1,9.2 H-3c)、 4.219(1H d J=11.6 Bn×1/2)、4.05〜4.08(1H m H5
a〜c×1)、4.022(1H dd J=3.1,9.5 H-3a又は
b)、 3.893(1H dd J=3.1,9.8 H-3a又はb)、 3.851(2H d J=9.8 H-6a又はb×1)、3.785(3H 3.715(2H 3.690(1H dd J=4.0 11.6 H-6a又はb)、3.577(1H d
J=9.7 H-6a又はb)、3.378(1H dd J=3.7,10.7 H-6
c)、3.343(1H dd J=3.7,10.7 H-6′c) 参考例12 化合物(14)155mg(98μmol)をアセトニトリル1.6m
l、H2O 0.4mlに懸濁し0℃(水−氷)に冷却し、硝酸第
2セリウムアンモニウム(CAN)161mg(0.294mmol)を
加え、2時間攪拌した。反応終了後、AcOEt 80mlで希釈
し、水40ml、NaHCO3aq 30ml、飽和食塩水30mlで洗い、
有機層を無水硫酸マグネシウムで乾燥し、ロ過、減圧濃
縮し、フラッシュクロマトグラフィー(トルエン/AcOEt
=8/1)で分離精製し、化合物(15)を103.2mgを得た。
収率(72%) 〔化合物(15)の性質〕 TLC,Rf=0.31(n−ヘキサン/AcOEt=2/1) 参考例13 化合物(15)110mg(98μmol)をアルゴン雰囲気下乾燥
ジクロロエタン1.6mlに溶解し、−23℃(CCl4−ドライ
アイス)に冷却し、CCl3CN 75μl(0.745mmol)、DBU
1.1mg(7.5μmol)を加え約2.5hr攪拌した。反応終了
後、フラッシュクロマトグラフィー(n−ヘキサン/AcO
Et=3/1)にて、分離精製しシラップ状の(16)を112mg
を得た。収率(92%) 〔化合物(16)の性質〕 TLC,Rf=0.32(n−ヘキサン/AcOEt=3/1) ▲〔α〕D19▼=−21.21°(C:0.06 CHCl31 HNMR(DCDl3);8.768(1H s 7.40〜7.90(42H m アロマティック)、6.420(1H d J
=2.1 H-1a)、5.745(2H bs H−2a〜c×2)、 5.688(1H dd J=2.1,2.8 H-2a)、5.571(2H d J=1.8
H-1b,H-1c)、5.484(1H dd J=9.8,10.1 H-4c)、4.7
70(1H d J=10.7 Bn×1/2)、4.737(1H d J=11.0 Bn
×1/2)、4.715(1H d J=11.0 Bn×1/2)、4.663(1H
d J=11.90 Bn×1/2)、 4.620(1H d J=11.3 Bn×1/2)、4.557(1H d J=11.6
Bn×1/2)、4.551(1H d J=11.9 Bn×1/2)、 4.497(1H d J=10.7 Bn×1/2)、4.467(1H dd J=9.
8,9.8 H-4a又はb)、4.430(1H d J=11.6 Bn×1/
2)、4.383(1H d J=12.2 Bn×1/2)、4.379(1H d J
=12.8 Bn×1/2)、4.365(1H dd J=10.1,9.2 H-4a又
はb)、4.206(1H d J=11.6 Bn×1/2)、 4.159(1H dd J=3.1,9.5 H-3c)、 4.04〜4.06(1H m H−5a〜c×1)、4.159(1H dd J
=3.1,9.5H-3a又はb)、3.8〜3.94(5H 3.723(2H 3.670(1H dd J=3.1 11.0H−6a〜c×1)、 3.541(1H bd J=9.8 H-6′a〜b×1)、 3.376(m dd J=3.7,10.7,H-6c)、 3.338(1H dd J=3.7 10.7,H-6′c)、2.377(3H s 2.369(3H s 2.353(3H s 参考例14 170℃、17hr真空乾燥したMSAW300 950mgをアルゴン置換
し、化合物(16)74mg(46μmol)、n-Bu3Su SMe 23mg
(68μmol)を1,2−ジクロロエタン2.5mlに溶解し加
え、−22℃(CCl4−ドライアイス)に冷却後、BF3OEt2
8.4μl(0.068mmol)を滴下し約2hr冷却攪拌した。反
応終了後、Et3N 50μlを加え、更に酢酸エチルにて希
釈後KFaqを加え攪拌しセライトロ過後NaHCO3aq、飽和食
塩水で洗い、有機層を無水硫酸マグネシウムにて乾燥し
た。ロ過減圧濃縮し、フラッシュクロマト(トルエン/
酢酸エチル=18/1で分離精製し、化合物(17)を60mg得
た。収率(87%)。
[Properties of Compound (11)] TLC, Rf = 0.56 (n-hexane / AcOEt = 5/1) ▲ [α] D 23 ▼: -20.1 (C = 1.88 CDCl 3 ) Elemental analysis (C 33 H 31 O 8 NCl 4 ); Calcd; C; 54.95 H; 4.47 N; 2.00 Measured; C; 54.77 H; 4.43 N; 1.96 1 H NMR (CDCl 3 ); 8.754 (1H S-NH), 7.953 (2H d J = 8.2 7.19 ~ 7.35 (12H m aromatic, 6.414 (1H, d J = 2.
1 H-1), 5.705 (1H dd J = 2.1,3.1, H-2), 5.652 (1H dd J = 9.8 10.1, H-4), 4.701 (1H d J = 12.
2 Bn x 1/2), 4.572 (1H d J = 11.6 Bn x 1/2), 4.489 (1H d J = 11.3 Bn x 1/2), 4.487 (1H d J = 12.9 Bn x 1/2), 10.1 4.061 (1H ddd J = 3.7,4.0,9.8 H-5), 3.799 (2H 3.671 (1H dd J = 3.7,11.0 H-6), 3.634 (1H dd J = 4.
0,11.0 H-6 ′), 2.406 (3H Reference Example 9 190 ° C. 18 hr Vacuum-dried MS4A 1500 mg was replaced with argon,
Compound (7) 134.5 (0.230 mmol) / dry 1,2-dichloroethane 4.0 ml was added, and after cooling to -22 ° C. (CCl 4 -dry ice), donor (11) 133.6 mg (0.191 mmol) / dry 1, 2
-4.0 ml of dichloroethane was added and stirred. Next TSOTf7.3
μl (0.038 mmol) / 1,2-dichloroethane 0.5 ml After 30 minutes of dropwise addition, Et 3 N was added and diluted with AcOEt, then filtered through Celite and NaHCO 3.
The organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure, and then separated and purified by flash chromatography (n-hexane / AcOEt = 5/1) to obtain a compound ( 12) was obtained. Yield (87%) [Properties of compound (12)] TLC.Rf = 0.56 (n-hexane / AcOEt = 3/1) ▲ [α] D 23 ▼ = -3.19 (C = 1.35 CHCHl 3 ) Elemental analysis ( C 65 H 65 O 15 Cl) calculated; C: 69.60 H: 5.84 measurements; C: 69.70 H: 5.82 1 HNMR (CDCl 3); 6.82~7.92 (32H m aromatic),
5.737 (1H dd J = 1.8,3.1 H-2a or H-2b), 5.715 (1H dd J = 1.8,3.1 H-2a or H-2b), 5.632 (1H d J = 1.8 H-1a or H-1b) ), 5.558 (1H d J =
1.8H-1a or H-1b), 5.480 (1H dd J = 9.8 10.1H-4
b), 4.769 (1H d J = 11.0 Bn x 1/2), 4.711 (1H d J = 12.2 Bn x 1/2), 4.628 (1H d J = 11.0)
Bn x 1/2), 4.587 (1H d J = 11.6 Bn x 1/2), 4.506 (1H d J = 11.9 Bn x 1/2), 4.483 (1H d J = 11.9
Bn x 1/2), 4.383 (1H d J = 12.2 Bn x 1/2), 4.415 (1H dd J = 9.5, 10.4 H-4a), 4.305 (1H d J = 1
1.6 Bn x 1/2), 4.296 (1H dd J = 3.1, 9.5H-3b), 4.02 to 4.046 (1H m H-5a or H-5b), 3.909 (1H dd J =
3.1 9.5 H-3a), 3.872 (1H dd J = 4.6 11.6 H-6a), 3.786 (1H dd J = 1.8,11.9 H-6c), 3.774 (3H 3.734 (1H d J = 14.3 3.765 (1H d J = 12.2 3.453 (1H dd J = 3.4 10.7) 3.422 (1H dd J = 4.0,10.7
H-6'b), 2.381 (6H s Reference Example 10 853 mg (0.760 mmol) of compound (12) was dissolved in 45 ml of EtOH,
203 mg (2.66 mmol) of thiourea was added, and the mixture was stirred at 90 ° C for 8 hr. After the reaction was completed, it was diluted with 400 ml of AcOEt, washed with water NaHCO 3 aq and saturated saline, and the organic layer was dried over anhydrous magnesium sulfate. Filter, concentrate under reduced pressure, separate and purify by flash chromatography (n-hexane / AcOEt = 5/2) to give compound (1
3) was obtained in an amount of 778.6 mg. Yield (0.8%) [Property of compound (13)] TLC, Rf = 0.23 (n-hexane / AcOEt = 3/1) ▲ [α] D 18 ▼ = -11.70 ° (C: 1.94 CHCl 3 ) Elemental analysis (C 63 H 64 O 14 ) calculated value; C: 72.37 H: 6.18 measured value; C: 72.33 H: 6.14 1 HNMR (CDCl 3 ); 6.81 to 7.92 (32 H m aromatic),
5.745 (1H dd J = 1.8,3.1 H-2a or 2b), 5.726 (1H dd J = 1.8,3.1 H-2a or 2b), 5.628 (1H d J = 1.8, H-1a or 1b), 5.554 (1H d J = 1.
8, H-1a or 1b), 4.481 (1H d J = 11.3 Bn x 1/2), 4.775 (1H d J = 11.0 Bn x 1/2), 4.625 (1H d J = 10.
7, Bn x 1/2), 4.581 (1H d J = 10.7 Bn x 1/2), 4.579
(1H d J = 11.9 Bn x 1/2), 4.519 (1H d J = 11.9 Bn x
1/2), 4.429 (1H dd J = 8.9, 9.5 H-4a), 4.424 (2H d J = 10.7 Bn x 1), 4.299 (1H dd J = 3.1,
9.2, H-3b), 4.110 (1H dd J = 9.5, 10.4 H-4b), 4.025
~ 4.050 (1H m H-5a or 5b), 3.903 (1H dd J = 4.6 11.3 H-6a), 3.800 (1H dd J =
3.4 9.8 H-3a), 3.769 (3H 3.720 (1H dd J = 4.0 10.4 H-6b), 3.612 (1H dd J =
2.1,10.4, H-6b), 3.77 to 3.86 (2H m H-5a or 5b, H-6a '), 2.486 (1H s OH-4b), 2.381 (3H s) 2.378 (3H Reference Example 11 190 ℃, 18 hours vacuum dried MS4A 800mg was replaced with argon,
Compound (13) 96 mg (91 μmmol) / dry 1,2-dichloroethane 3.0 ml was added, and after cooling to -22 ° C. (CCl 4 -dry ice), donor (11) 70 mg / dry 1,2-dichloroethane 3.0 ml.
Was added and stirred. Next, add 4μl (20μmmol) of TMSOTf, 3
After 0 minutes, add Et 3 N and dilute with AcOEt, then add Celite filtration Na.
The organic layer was washed with HCO 3 aq and saturated saline, dried over anhydrous magnesium sulfate, filtered, concentrated under reduced pressure, and separated and purified by flash chromatography (n-hexane / AcOEt = 3/1) to obtain the compound. 121.4 mg of (14) was obtained. Yield (84%) [Property of compound (14)] TLC, Rf = 0.29 (n-hexane / AcOEt = 3/1) ▲ [α] D 19 ▼ = -26.4 ° (C: 1.135 CHCl 3 ) Elemental analysis (C 93 H 93 O 21 Cl): Calculated value; C: 70.60 H: 5.92 Measured value; C: 70.12 H: 5.88 1 HNMR (CDCl 3 ); 7.82-7.92, 6.83-7.35 (46 H m aromatic), 5.753 (2H m H-2 a to c × 2), 5.680 (1H dd J = 1.8,3.1 H-2 a to c × 1), 5.582
(2H d J = 1.8H-1 a to c × 2), 5.563 (1H d J = 1.5
H-1 a to c x 1), 5.468 (1H dd J = 9.8, 10.1 H-4
c), 4.780 (1H d J = 10.7 Bn x 1/2), 4.769 (1H d J
= 10.4 Bn x 1/2), 4.713 (1H d J = 12.2 Bn x 1/2), 4.663 (1H d J = 10.7)
Bn x 1/2), 4.620 (1H d J = 11.6 Bn x 1/2), 4.559
(1H d J = 11.9 Bn x 1/2), 4.528 (1H d J = 11.6 Bn x
1/2), 4.474 (1H d J = 10.7 Bn x 1/2), 4.433 (1H d
J = 11.6 Bn x 1/2), 4.407 (1H dd J = 9.8, 10.1 H-4
a to b x 1), 4.398 (1H d J = 10.7 Bn x 1/2), 4.375
(1H d J = 12.2 Bn × 1/2, 4.338 (1H dd J = 9.5,9.5H
-4 a to b x 1), 4.316 (1Hdd J = 3.1, 9.2 H-3c), 4.219 (1H d J = 11.6 Bn x 1/2), 4.05 to 4.08 (1H m H5
a to c × 1), 4.022 (1H dd J = 3.1,9.5 H-3a or b), 3.893 (1H dd J = 3.1,9.8 H-3a or b), 3.851 (2H d J = 9.8 H-6a or b × 1), 3.785 (3H 3.715 (2H 3.690 (1H dd J = 4.0 11.6 H-6a or b), 3.577 (1H d
J = 9.7 H-6a or b), 3.378 (1H dd J = 3.7,10.7 H-6
c), 3.343 (1H dd J = 3.7,10.7 H-6′c) Reference Example 12 Compound (14) 155 mg (98 μmol) in acetonitrile 1.6 m
l, suspended in 0.4 ml of H 2 O, cooled to 0 ° C. (water-ice), added with 161 mg (0.294 mmol) of ceric ammonium nitrate (CAN), and stirred for 2 hours. After completion of the reaction, diluted with AcOEt 80 ml, washed with water 40 ml, NaHCO 3 aq 30 ml, saturated saline solution 30 ml,
The organic layer was dried over anhydrous magnesium sulfate, filtered, concentrated under reduced pressure, and flash chromatographed (toluene / AcOEt).
= 8/1) and purified by separation to obtain 103.2 mg of the compound (15).
Yield (72%) [Properties of compound (15)] TLC, Rf = 0.31 (n-hexane / AcOEt = 2/1) Reference Example 13 110 mg (98 μmol) of compound (15) was added to 1.6 ml of dry dichloroethane under an argon atmosphere. Dissolve and cool to -23 ° C (CCl 4 -dry ice), CCl 3 CN 75 μl (0.745 mmol), DBU
1.1 mg (7.5 μmol) was added and stirred for about 2.5 hours. After completion of the reaction, flash chromatography (n-hexane / AcO)
112 mg of syrup-like (16) separated and purified with Et = 3/1)
Got Yield (92%) [Property of compound (16)] TLC, Rf = 0.32 (n-hexane / AcOEt = 3/1) ▲ [α] D 19 ▼ = -21.21 ° (C: 0.06 CHCl 3 ) 1 HNMR (DCDl 3 ); 8.768 (1H s 7.40 ~ 7.90 (42H m aromatic), 6.420 (1H d J
= 2.1 H-1a), 5.745 (2H bs H-2 a to c × 2), 5.688 (1H dd J = 2.1,2.8 H-2a), 5.571 (2H d J = 1.8)
H-1b, H-1c), 5.484 (1H dd J = 9.8,10.1 H-4c), 4.7
70 (1H d J = 10.7 Bn x 1/2), 4.737 (1H d J = 11.0 Bn
X 1/2), 4.715 (1H d J = 11.0 Bn x 1/2), 4.663 (1H
d J = 11.90 Bn x 1/2), 4.620 (1H d J = 11.3 Bn x 1/2), 4.557 (1H d J = 11.6
Bn x 1/2), 4.551 (1H d J = 11.9 Bn x 1/2), 4.497 (1H d J = 10.7 Bn x 1/2), 4.467 (1H dd J = 9.
8,9.8 H-4a or b), 4.430 (1H d J = 11.6 Bn × 1 /
2), 4.383 (1H d J = 12.2 Bn x 1/2), 4.379 (1H d J
= 12.8 Bn × 1/2), 4.365 (1H dd J = 10.1,9.2 H-4a or b), 4.206 (1H d J = 11.6 Bn × 1/2), 4.159 (1H dd J = 3.1,9.5 H- 3c), 4.04 to 4.06 (1H m H-5 a to c x 1), 4.159 (1H dd J
= 3.1, 9.5H-3a or b), 3.8 to 3.94 (5H 3.723 (2H 3.670 (1H dd J = 3.1 11.0H-6 a to c x 1), 3.541 (1H bd J = 9.8 H-6 'a to b x 1), 3.376 (m dd J = 3.7, 10.7, H-6c) , 3.338 (1H dd J = 3.7 10.7, H-6'c), 2.377 (3H s 2.369 (3H s 2.353 (3H s Reference Example 14 170 ° C., 17 hours vacuum dried MSAW300 950 mg was replaced with argon, Compound (16) 74 mg (46 μmol), n-Bu 3 Su SMe 23 mg
(68 μmol) was dissolved in 2.5 ml of 1,2-dichloroethane, added, cooled to −22 ° C. (CCl 4 -dry ice), and then BF 3 OEt 2
8.4 μl (0.068 mmol) was added dropwise, and the mixture was stirred with cooling for about 2 hours. After the reaction was completed, 50 μl of Et 3 N was added, further diluted with ethyl acetate, KFaq was added, and the mixture was stirred, filtered through Celite, washed with NaHCO 3 aq and saturated brine, and the organic layer was dried over anhydrous magnesium sulfate. B) Concentrate under reduced pressure and flash chromatography (toluene /
Separation and purification with ethyl acetate = 18/1 gave 60 mg of compound (17). Yield (87%).

〔化合物(17)の性質〕 TLC,Rf=0.44 (トルエン/酢酸エチル=15/1) 〔α〕D:−18.2° 元素分析 計算値;C:69.38 H:5.96 測定値;C:69.48 H:6.071 HNMR(CDCl3);7.82〜7.90、7.03〜7.35(42H m アロマ
ティック)、5.712(1H dd J=1.5,3.3,H−2a〜c×
1)、5.692(1H dd J=1.5,3.4,H−2a〜c×1)、 5.662(1H dd J=18.3,3.1H−2a〜c×1)、5.564
(1H d J=1.5 H−1a〜c)、5.514(1H dd J=1.8,H
-1b又はc)、5.476(1H dd J=9.8,10.1 H-4c)、 5.326(1H d J=1.5 H-1a)、4.761(1H d J=10.9 Bn
×1/2)、4.732(1H d J=12.2 Bn×1/2)、 4.685(1H J=11.0 Bn×1/2)、4.639(1H d J=11.9 B
n×1/2)、4.577(1H d J=10.7 Bn×1/2)、4.569(1H
d J=10.6 Bn×1/2)、4.555(1H d J=11.6 Bn×1/
2)、4.476(1H d J=10.4 Bn×1/2)、4.436(1H d J
=11.6 Bn×1/2)、4.396(2H d J=11.0 Bn×1)、4.
335(1H dd J=9.5,9.8 H-4a又はb)、 4.324(1H dd J=9.5,9.2 Ha又はb)、4.220(1H d J
=11.6 Bn×1/2)、4.22〜4.24(1H m H−5a〜c×
1)、 4.015(1H dd J=3.3、9.5H−3a〜c×1)、3.907
(1H dd J=3.4,9.5 H−3a〜c×1)、3.727 (2H s 3.665(1H dd J=3.7,11.3 H−6a〜b)、3.545(1H
d J=11.3 H-6a又はb)、 3.385(1H dd J=3.7 10.7 H-6c)、3.350(1H dd J=
3.7 10.7 H-6′c)、2.372(6H 2.353(3H s 2.216(3H s -SCH 3×1) 参考例15 化合物(17)47.6mg(32μmol)をエタノール4.5mlに溶
解しチオ尿素8.4mg(111μmol)を加え、87℃、3hr、室
温で1hr攪拌した。反応終了後、酢酸エチル100mlで希釈
し、水NaHCO3aq、ブラインで洗い有機層を無水硫酸マグ
ネシウム乾燥した。ロ過減圧濃縮し、フラッシュクロマ
トグラフィー(n−ヘキサン/酢酸エチル=3/1)に
て、分離精製し、化合物(18)を40.7mg得た。
[Properties of compound (17)] TLC, Rf = 0.44 (toluene / ethyl acetate = 15/1) [α] D: -18.2 ° Elemental analysis calculated value; C: 69.38 H: 5.96 Measured value; C: 69.48 H: 6.07 1 HNMR (CDCl 3 ); 7.82 to 7.90, 7.03 to 7.35 (42H m aromatic), 5.712 (1H dd J = 1.5,3.3, H-2 a to c ×
1), 5.692 (1H dd J = 1.5,3.4, H-2 a to c x 1), 5.662 (1H dd J = 18.3, 3.1H-2 a to c x 1), 5.564
(1H d J = 1.5 H-1 a to c ), 5.514 (1H dd J = 1.8, H
-1b or c), 5.476 (1H dd J = 9.8, 10.1 H-4c), 5.326 (1H d J = 1.5 H-1a), 4.761 (1H d J = 10.9 Bn)
X 1/2), 4.732 (1H d J = 12.2 Bn x 1/2), 4.685 (1H J = 11.0 Bn x 1/2), 4.639 (1H d J = 11.9 B
n x 1/2), 4.577 (1H d J = 10.7 Bn x 1/2), 4.569 (1H
d J = 10.6 Bn x 1/2), 4.555 (1H d J = 11.6 Bn x 1 /
2), 4.476 (1H d J = 10.4 Bn x 1/2), 4.436 (1H d J
= 11.6 Bn x 1/2), 4.396 (2H d J = 11.0 Bn x 1), 4.
335 (1H dd J = 9.5,9.8 H-4a or b), 4.324 (1H dd J = 9.5,9.2 Ha or b), 4.220 (1H d J
= 11.6 Bn x 1/2), 4.22 to 4.24 (1H m H-5 a to c x
1), 4.015 (1H dd J = 3.3,9.5H-3 a~c × 1), 3.907
(1H dd J = 3.4,9.5 H-3 a to c × 1), 3.727 (2H s 3.665 (1H dd J = 3.7, 11.3 H-6 a to b ), 3.545 (1H
d J = 11.3 H-6a or b), 3.385 (1H dd J = 3.7 10.7 H-6c), 3.350 (1H dd J =
3.7 10.7 H-6'c), 2.372 (6H 2.353 (3H s 2.216 (3H s -SC H 3 × 1) Reference Example 15 Compound (17) 47.6 mg (32 μmol) was dissolved in ethanol 4.5 ml, thiourea 8.4 mg (111 μmol) was added, and the mixture was stirred at 87 ° C. for 3 hr and room temperature for 1 hr. . After completion of the reaction, the mixture was diluted with 100 ml of ethyl acetate, washed with water NaHCO 3 aq and brine, and the organic layer was dried over anhydrous magnesium sulfate. (2) The solution was concentrated under reduced pressure under reduced pressure and separated and purified by flash chromatography (n-hexane / ethyl acetate = 3/1) to obtain 40.7 mg of compound (18).

収率(89%) 〔化合物(18)の性質〕 TLC,Rf=0.23(n−ヘキサン/酢酸エチル=3/1) ▲〔α〕D17▼=−25.54 (C=0.415 CHCl3) 元素分析 計算値: C:71.41 H:6.20 測定値: C:71.52 H:6.171 HNMR(CDCl3);7.82〜7.900、7.03〜7.36(42H,m アロ
マティック)、5.713(1H dd J=1.5,3.1 H−2a〜c
×1)、5.693(1H dd J=1.5,3.1 H−2a〜c×
1)、 5.654(1H dd J=1.8 3.1 H−2a〜c×1)、5.545
(1H d J=1.5 H-1a又はc)、5.510(1H d J=1.8 H-1
b又はc)、5.324(1H d J=1.5 H-1a)、4.861(1H dJ
=11.3 Bn×1/2)、4.762(1H d J=10.7 Bn×1/2)、 4.682(1H d J=1.0 Bn×1/2)、4.624(1H d J=11.9
Bn×1/2)、4.575(1H d J=11.4 Bn×1/2)、 4.570(1H d J=12.2 Bn×1/2)、4.546(1H d J=11.9
Bn×1/2)、4.537(1H d J=11.9 Bn×1/2)、 4.476(1H d J=10.4 Bn×1/2)、4.436(1H d J=11.0
Bn×1/2)、4.420(1H d J=11.6 Bn×1/2)、 4.357(1H d J=11.9 Bn×1/2)、4.336(1H dd J=9.
2,8.2 H-2a又はb)4.318(1H dd J=9.2,8.2 -4a又は
b)、4.223〜4.242(1H m H−5a〜c×1)、 4.102(1H dd J=9.8,9.5 H-4c)、4.019(1H dd J=3.
1,8.9 H−3a〜c×1)、4.013(1H dd J=3.1,8.9 H
−3a〜c×1)、3.915(1H dd J=4.9 11.3 H−6
a〜c×1/2)、3.854(1H dd J=9.5 H-6a 〜c)、 3.801(1H dd J=3.1,9.8 H−3a〜c×1)、 3.722(1H dd J=3.7,11.0 H−6a〜c×1/2)、 3.669(1H dd J=4.0 10.7 H-6′a〜c×1/2)、 3.582(1H dd J=9.5 H-6′a〜c×1/2)、3.518(1H
dd J=3.4 10.7 H-6′a〜c×1/2)、2.516(1H bs OH
-4c)、2.374(6H 2.349(3H 2.208(3H s -SCH 3×1) 実施例1 190℃、18hr、真空乾燥したMS4A 600mgをアルゴン置換
し、化合物(18)30mg(21μmol)/乾燥1,2−ジクロロ
エタン2.5mlを加え、−22℃(CCl4−ドライアイス)に
冷却後供与体(16)33mg(20μmol)/乾燥1,2−ジクロ
ロエタン2.0mlを加え攪拌した。次にTMSOTf 0.8μl
(4μmol)〔0.26M/CH2Cl2溶液;15.4μl〕滴下30分後
Et3Nを加え、酢酸エチルにて希釈後、セライトロ過し、
更にNaHCO3aq、飽和食塩水で洗い、有機層を無水硫酸マ
グネシウムにて、乾燥後、ロ過減圧濃縮しフラッシュク
ロマトグラフィー(ヘキサン/酢酸エチル=3/1)で分
離精製し、化合物(19)を50mg得た。収率(87%) 〔化合物(19)の性質〕 TLC,Rf=0.42(H/EA=2/1) ▲〔α〕D18▼:−42.64°(C:0.91 CHCl31 HNMR(CDCl3);6.968〜7.897(84H m アロマティッ
ク)、5.779(2H bs H−2a〜f×2)、 5.762(1H dd J=1.8,3.1 H−2a〜f×1)、 5.739(1H dd J=1.5,3.1 H−2a〜f×1)、5.692
(2H bs H−2a〜f×2)、5.587(2H bs H−1
b〜f×2)、 5.565(2H bs H−1b〜f×2)、5.548(1H d J=1.8
H−1b〜f×1)、5.476(1H dd J=9.8,9.8 H-
4f)、 5.336(1H d J=1.5 H-1a)、3.687(2H s 2.363(6H 2.355(3H s 2.339(3H s 2.335(3H s 2.329(3H s 2.222(3H s S-CH 3×1) 実施例2 化合物(19)606mg(0.210mmol)をエタノール45mlに溶
解し、チオ尿素55.9mg(0.734mmol)を加え、85℃、7h
r、室温で12hr攪拌した。反応終了後、酢酸エチル300ml
で希釈し、水80ml、NaHCO3aq飽和食塩水で洗い、有機層
を無水硫酸マグネシウムにて乾燥した。ロ過、減圧濃縮
しフラッシュクロマトグラフィー(n−ヘキサン/酢酸
エチル=5/2)にて分離精製し、化合物(20)479mgを得
た。収率(81%)。原料回収50mg、回収率(89%) 〔化合物(20)の性質〕 TLC,Rf=0.34(ヘキサン/酢酸エチル=2/1) ▲〔α〕D18▼:−52.60°(C=0.905 CHCl31 HNMR(CDCl3);5.770(2H bs H−2a〜f×2)、 5.756(1H bs H−2a〜f×1)、5.737(1H bs H−2
a〜f1)、5.668〜5.705(2H m H−2a〜f×2)、 5.572(1H bs H−1b〜f×1)、5.562(2H bs H−1
b〜f×2)、 5.546(2H bs H−1b〜f×2)、5.331(1H d J=1.5
H-1a)、 2.367(3H s 2.361(3H s 2.354(6H s 2.331(6H bs 2.220(3H s S-CH3×1) 実施例3 化合物(20)1.41mg(50μmol)を乾燥1,2−ジクロロエ
タン3.0mlに溶解し、ビニルエチルエーテル18.2mg、24.
1μl(0.25mmol)PPTS 12.6mg(50μmol)を加え、室
温で4hr攪拌した。反応終了後、酢酸エチル100mlで希釈
し、NaHCO3aqで洗い、有機層を亡硝にて、乾燥後、ロ
過、減圧濃縮し、フラッシュクロマトグラフィー(n−
ヘキサン/酢酸エチル=2/1.5% Et3N)で精製し、化
合物(21)を142.0mg得た。収率(98%) 〔化合物(21)の性質〕 TLC,Rf=0.39(n−ヘキサン/酢酸エチル=2/1) 元素分析 計算値: C:72.07 H:6.29 測定値: C:71.57 H:6.021 HNMR 実施例4 化合物(21)142mg(49μmol)をMeOH 7.0mlに溶解し、
0.5N NaOMe 2.0ml(1.0mmol)を加え、室温で19hr攪拌
後さらに50℃2hr加熱攪拌後、酢酸エチル150mlに希釈
し、飽和食塩水80ml×2で洗い、有機層を亡硝で乾燥し
た。ロ過、減圧濃縮後フラッシュクロマトグラフィー
(酢酸エチル/n−ヘキサン=10/2.5:Et3N 5%)にて分
離精製し、化合物(22)を948mg得た。収率(89%) 〔化合物(22)の性質〕 TLC,Rf=0.51(酢酸エチル/n−ヘキサ=10/3) 元素分析 計算値: C:69.95 H:6.76 測定値: C:69.78 H:6.801 HNMR(CDCl3);7.140〜7.37(60H m アロマティッ
ク)、5.298(1H d J=2.1 H−1b〜f×1)、 5.284(1H d J=2.1 H−1b〜f×1)、5.269(3H,d
J=1.8 H−1b〜f×3)、5.244(1H d J=1.5 H-1
a)、 4.873(3/5 HqJ=5.2 4.739(2/5 HqJ=5.2 3.49〜3.59(3/5H m 3.299〜3.39(2/5H m CH3-CH2 2.612(1H bs OH−2a〜f×1)、2.280(1H bs OH−
a〜f×1)、2.258(1H bs OH−2a〜f×4)、 2.151(3H s S-CH3×1)、2.151(9/5H d J=5.2 1.150(6/5H d J=5.2 1.079(9/5 H t J=7.0 CH3 CH2O 1.042(6/5 H t J=7.0 CH3 CH2O 実施例5 化合物(22)31.4mg(14.4mmol)をアルゴン置換し、乾
燥DMF 3.0mlに溶解し更に、0℃(H2O−氷)に冷却し、
ベンジルブロマイド15.5μl(0.13mmol)を加え、次に
NaH(58%)5.4mg(0.13mmol)を加え、0℃1.5hr、室
温にて3hr攪拌した。メタノール200μlで過剰のNaHを
分解し、酢酸エチル120mlで希釈し、H2O、NaHCO3aq、飽
和食塩水で洗い、有機層を亡硝にて乾燥した。ロ過後減
圧濃縮し、フラッシュクロマトグラフィー(ヘキサン/
酢酸エチル=3/1、5% Et3N)で精製し化合物(23)
を33.7mg得た。収率(86%) 〔化合物(23)の性質〕 TLC 元素分析 計算値: C:73.87 H:6.68 測定値: C:74.19 H:7.141 HNMR 実施例6 化合物(23)33mg(12.2μmol)をCHCl3 1.5ml、MeOH
1.5mlに溶解し、Amberlyst 15 380mgを加え室温で2.5hr
攪拌した。反応終了後、ロ過し、減圧濃縮後、フラッシ
ュクロマトグラフィー(ヘキサン/酢酸エチル=2/1)
にて精製し化合物(24)を31.9mg得た。収率(99%) 〔化合物(24)の性質〕 TLC,Rf=0.27(n−ヘキサン/酢酸エチル=2/1) ▲〔α〕D17▼=−2.1° (C=0.8 CHCl3) 元素分析(C163H172O30S): 計算値;C:74.06 H:6.56 測定値;C:73.57 H:6.601 HNMR(CDCl3);7.05〜7.38(90H m アロマティック)、
5.333(2H bs H−1a〜f×2)、 5.292(4H bs H−1a〜f×4)、2.172(3H s -SC
H3 )、 2.534(1H s OH-4f) 実施例7 190℃、17hr、真空乾燥したMS 4A 550mgアルゴン置換
し、PhSeCl 6.5mg(34μmol)乾燥1,2−ジクロロエタン
3.0mlを加え、攪拌し、0℃(氷−H2O)に冷却後、AgOT
f 7.8mg(30μmol)を導入し、約15分撹拌した。次に反
応容器を−22℃(CCl4−ドライアイス)に冷却し、化合
物(24)32mg(12.1μmol/乾燥1,2−ジクロロエタン6.5
ml溶液を、N2気流下約40分かけて滴下し、−22℃で5hr
撹拌し、さらに室温で16hr撹拌した。次に、酢酸エチル
130mlで希釈し、セライトロ過後、飽和NaHCO3水溶液、
飽和食塩水で洗い、有機層を無水MgSO4にて乾燥し、ロ
過後、減圧濃縮し、フラッシュクロマトグラフィー(n
−ヘキサン/酢酸エチル=5/2)で精製し、化合物(2
5)を、20.0mg(64%)の収率で得た。
Yield (89%) [Properties of compound (18)] TLC, Rf = 0.23 (n-hexane / ethyl acetate = 3/1) ▲ [α] D 17 ▼ = -25.54 (C = 0.415 CHCl 3 ) Elemental analysis Calculated: C: 71.41 H: 6.20 Measured: C: 71.52 H: 6.17 1 HNMR (CDCl 3 ); 7.82-7.900, 7.03-7.36 (42H, m aromatic), 5.713 (1H dd J = 1.5,3.1 H -2 a to c
× 1), 5.693 (1H dd J = 1.5,3.1 H-2 a to c ×
1), 5.654 (1H dd J = 1.8 3.1 H-2 a to c x 1), 5.545
(1H d J = 1.5 H-1a or c), 5.510 (1H d J = 1.8 H-1
b or c), 5.324 (1H d J = 1.5 H-1a), 4.861 (1H dJ
= 11.3 Bn x 1/2), 4.762 (1H d J = 10.7 Bn x 1/2), 4.682 (1H d J = 1.0 Bn x 1/2), 4.624 (1H d J = 11.9)
Bn x 1/2), 4.575 (1H d J = 11.4 Bn x 1/2), 4.570 (1H d J = 12.2 Bn x 1/2), 4.546 (1H d J = 11.9
Bn x 1/2), 4.537 (1H d J = 11.9 Bn x 1/2), 4.476 (1H d J = 10.4 Bn x 1/2), 4.436 (1H d J = 11.0)
Bn x 1/2), 4.420 (1H d J = 11.6 Bn x 1/2), 4.357 (1H d J = 11.9 Bn x 1/2), 4.336 (1H dd J = 9.
2,8.2 H-2a or b) 4.318 (1H dd J = 9.2,8.2 -4a or b), 4.223 to 4.242 (1H m H-5 a to c x 1), 4.102 (1H dd J = 9.8,9.5 H -4c), 4.019 (1H dd J = 3.
1,8.9 H-3 a to c x 1), 4.013 (1H dd J = 3.1,8.9 H
-3 a to c x 1), 3.915 (1H dd J = 4.9 11.3 H-6
a to c x 1/2), 3.854 (1H dd J = 9.5 H-6 a to c ), 3.801 (1H dd J = 3.1, 9.8 H-3 a to c x 1), 3.722 (1H dd J = 3.7) , 11.0 H-6 a to c x 1/2), 3.669 (1H dd J = 4.0 10.7 H-6 'a to c x 1/2), 3.582 (1H dd J = 9.5 H-6' a to c x 1/2), 3.518 (1H
dd J = 3.4 10.7 H-6 'a to c × 1/2), 2.516 (1H bs OH
-4c), 2.374 (6H 2.349 (3H 2.208 (3H s -SC H 3 × 1) Example 1 At 190 ° C., 18 hr, vacuum dried MS4A (600 mg) was replaced with argon, and compound (18) (30 mg (21 μmol) / dry 1,2-dichloroethane (2.5 ml) was added. After cooling to 22 ° C. (CCl 4 -dry ice), 33 mg (20 μmol) of donor (16) /2.0 ml of dry 1,2-dichloroethane was added and stirred. Next, TMSOTf 0.8 μl
(4 μmol) [0.26 M / CH 2 Cl 2 solution; 15.4 μl] 30 minutes after dropping
After adding Et 3 N and diluting with ethyl acetate, filter through Celite,
The organic layer was further washed with NaHCO 3 aq and saturated saline, dried over anhydrous magnesium sulfate, concentrated under reduced pressure in a vacuum, and separated and purified by flash chromatography (hexane / ethyl acetate = 3/1) to give compound (19). Was obtained. Yield (87%) [Properties of Compound (19)] TLC, Rf = 0.42 (H / EA = 2/1) ▲ [α] D 18 ▼: -42.64 ° (C : 0.91 CHCl 3) 1 HNMR (CDCl 3 ); 6.968 to 7.897 (84H m aromatic), 5.779 (2H bs H-2 a to f × 2), 5.762 (1H dd J = 1.8, 3.1 H-2 a to f × 1), 5.739 (1H dd) J = 1.5,3.1 H-2 a to f × 1), 5.692
(2H bs H-2 a to f x 2), 5.587 (2H bs H-1
b to f x 2), 5.565 (2H bs H-1 b to f x 2), 5.548 (1H d J = 1.8)
H-1 b to f × 1), 5.476 (1H dd J = 9.8,9.8 H-
4 f ), 5.336 (1H d J = 1.5 H-1a), 3.687 (2H s 2.363 (6H 2.355 (3H s 2.339 (3H s 2.335 (3H s 2.329 (3H s 2.222 (3H s SC H 3 × 1) Example 2 Compound (19) 606mg (0.210mmol) was dissolved in ethanol 45 ml, thiourea 55.9mg of (0.734 mmol) was added, 85 ° C., 7h
The mixture was stirred at room temperature for 12 hr. After completion of the reaction, 300 ml of ethyl acetate
Was diluted with, washed with 80 ml of water and saturated aqueous solution of NaHCO 3 aq, and the organic layer was dried over anhydrous magnesium sulfate. It was filtered, concentrated under reduced pressure, and separated and purified by flash chromatography (n-hexane / ethyl acetate = 5/2) to obtain 479 mg of compound (20). Yield (81%). Raw material recovery 50 mg, recovery rate (89%) [Property of compound (20)] TLC, Rf = 0.34 (hexane / ethyl acetate = 2/1) ▲ [α] D 18 ▼: -52.60 ° (C = 0.905 CHCl 3 ) 1 HNMR (CDCl 3 ); 5.770 (2H bs H-2 a to f × 2), 5.756 (1H bs H-2 a to f × 1), 5.737 (1H bs H-2)
a to f 1), 5.668 to 5.705 (2H m H-2 a to f x 2), 5.572 (1H bs H-1 b to f x 1), 5.562 (2H bs H-1)
b to f x 2), 5.546 (2H bs H-1 b to f x 2), 5.331 (1H d J = 1.5)
H-1a), 2.367 (3H s 2.361 (3H s 2.354 (6H s 2.331 (6H bs 2.220 (3H s S-CH 3 × 1) Example 3 1.41 mg (50 μmol) of compound (20) was dissolved in 3.0 ml of dry 1,2-dichloroethane, and 18.2 mg of vinyl ethyl ether, 24.
12.6 mg (50 μmol) of 1 μl (0.25 mmol) PPTS was added, and the mixture was stirred at room temperature for 4 hr. After the reaction was completed, the mixture was diluted with 100 ml of ethyl acetate, washed with NaHCO 3 aq, the organic layer was dried over sodium sulfate, filtered and concentrated under reduced pressure, and flash chromatography (n-
Purification with hexane / ethyl acetate = 2 / 1.5% Et 3 N) gave 142.0 mg of compound (21). Yield (98%) [Property of compound (21)] TLC, Rf = 0.39 (n-hexane / ethyl acetate = 2/1) Elemental analysis Calculated value: C: 72.07 H: 6.29 Measured value: C: 71.57 H: 6.02 1 HNMR Example 4 142 mg (49 μmol) of the compound (21) was dissolved in 7.0 ml of MeOH,
0.5N NaOMe (2.0 ml, 1.0 mmol) was added, and the mixture was stirred at room temperature for 19 hr, further heated and stirred at 50 ° C. for 2 hr, diluted with ethyl acetate (150 ml), washed with saturated brine (80 ml × 2), and the organic layer was dried over dead sunlight. After filtration and concentration under reduced pressure, the residue was separated and purified by flash chromatography (ethyl acetate / n-hexane = 10 / 2.5: Et 3 N 5%) to obtain 948 mg of compound (22). Yield (89%) [Property of compound (22)] TLC, Rf = 0.51 (ethyl acetate / n-hexa = 10/3) Elemental analysis Calculated value: C: 69.95 H: 6.76 Measured value: C: 69.78 H: 6.80 1 H NMR (CDCl 3 ); 7.140 to 7.37 (60 H m aromatic), 5.298 (1 H d J = 2.1 H-1 b to f × 1), 5.284 (1 H d J = 2.1 H-1 b to f × 1) ), 5.269 (3H, d
J = 1.8 H-1 b to f × 3), 5.244 (1H d J = 1.5 H-1
a), 4.873 (3/5 HqJ = 5.2 4.739 (2/5 HqJ = 5.2 3.49 ~ 3.59 (3 / 5H m 3.299 to 3.39 (2 / 5H m CH 3 -CH 2 2.612 (1H bs OH-2 a to f x 1), 2.280 (1H bs OH-
2a to f x 1), 2.258 (1H bs OH-2 a to f x 4), 2.151 (3Hs S-CH 3 x 1), 2.151 (9 / 5H d J = 5.2) 1.150 (6 / 5H d J = 5.2 1.079 (9/5 H t J = 7.0 C H 3 CH 2 O 1.042 (6/5 H t J = 7.0 C H 3 CH 2 O Example 5 31.4 mg (14.4 mmol) of compound (22) was purged with argon, dissolved in 3.0 ml of dry DMF, and further cooled to 0 ° C. (H 2 O-ice),
Add 15.5 μl (0.13 mmol) of benzyl bromide, then
5.4 mg (0.13 mmol) of NaH (58%) was added, and the mixture was stirred at 0 ° C for 1.5 hr and at room temperature for 3 hr. Excess NaH was decomposed with 200 μl of methanol, diluted with 120 ml of ethyl acetate, washed with H 2 O, NaHCO 3 aq, and saturated saline solution, and the organic layer was dried with dead glass. After filtration, concentrate under reduced pressure and flash chromatography (hexane /
Purified with ethyl acetate = 3/1, 5% Et 3 N) to obtain compound (23)
Was obtained in an amount of 33.7 mg. Yield (86%) [Property of compound (23)] TLC Elemental analysis Calculated value: C: 73.87 H: 6.68 Measured value: C: 74.19 H: 7.14 1 HNMR Example 6 Compound (23) 33 mg (12.2 μmol) CHCl 3 1.5 ml, MeOH
Dissolve in 1.5 ml, add 380 mg of Amberlyst 15 and 2.5 hr at room temperature
It was stirred. After the reaction was completed, the mixture was filtered, concentrated under reduced pressure, and flash chromatographed (hexane / ethyl acetate = 2/1).
The compound (24) was obtained by purification in. Yield (99%) [Property of compound (24)] TLC, Rf = 0.27 (n-hexane / ethyl acetate = 2/1) ▲ [α] D 17 ▼ = -2.1 ° (C = 0.8 CHCl 3 ) Element Analysis (C 163 H 172 O 30 S): Calculated value; C: 74.06 H: 6.56 measured value; C: 73.57 H: 6.60 1 H NMR (CDCl 3 ); 7.05 to 7.38 (90 H m aromatic),
5.333 (2H bs H-1 a to f x 2), 5.292 (4H bs H-1 a to f x 4), 2.172 (3H s -SC
H 3 ), 2.534 (1H s OH-4f) Example 7 190 ° C., 17 hr, vacuum dried MS 4A 550 mg Argon substitution, PhSeCl 6.5 mg (34 μmol) dried 1,2-dichloroethane
Add 3.0 ml, stir, and cool to 0 ° C (ice-H 2 O) before adding AgOT.
f 7.8 mg (30 μmol) was introduced, and the mixture was stirred for about 15 minutes. Then, the reaction vessel was cooled to -22 ° C (CCl 4 -dry ice), and 32 mg of compound (24) (12.1 µmol / dry 1,2-dichloroethane 6.5
ml solution was added dropwise under N 2 flow over about 40 minutes, and at −22 ° C. for 5 hours.
The mixture was stirred and further stirred at room temperature for 16 hours. Then ethyl acetate
Diluted with 130 ml, filtered through Celite, saturated NaHCO 3 aqueous solution,
The extract was washed with saturated brine, the organic layer was dried over anhydrous MgSO 4 , filtered and concentrated under reduced pressure, and flash chromatography (n
-Hexane / ethyl acetate = 5/2) was used to purify compound (2
5) was obtained in a yield of 20.0 mg (64%).

〔化合物(25)の性質〕 Rf=0.45(トルエン/酢酸エチル=8/1) 比較 C.D. Rf=0.74 m.p.:143〜145℃ ▲〔α〕D23▼=−6.2° (C=0.13 CHCl31 HNMR(400MHz,CDCl3,TMS) δ7.1〜7.3(90H m アロマティック)、 5.043(6H d J=1.5Ha〜f)、4.528(12H s Bn×
6)、4.490(6H d J=12.2 Bn×3)、4.405(6H,d,J
=12.2,Bn×3)、4.289(6H d J=11.6 Bn×3)、 4.202(6H d J=11.3 Bn×3)、4.071(6H dd J=9.2,
9.5 H−4a〜f)、3.979(6H dd J=4.6 11.0 H−6
a〜f)、3.861(6H dd J=1.5,3.1,H−2a〜f)、 3.40〜3.90(6H 1H H−5a〜f)、3.839(6H dd J=
3.1,9.2,H−3a〜f)、3.753(6H d J=10.1 H-6′
a〜f13 C:100.89 PPM(J=164.8) 実施例8 化合物(25)15mg(5.7μmol)に10%Pd-C34mgを加えア
ルゴン置換しメタノール3.0mlに溶解し、系内をH2置換
し、50℃で15hr攪拌した。更に10%Pd-C34mgを加え、系
内をH2置換し、50℃8hr攪拌した。反応終了後メタノー
ル50mlで希釈し、セライトロ過し、減圧濃縮し、セファ
デックスG-25にて分離精製し化合物(26)を5.4mg得
た。収率(93%) 〔化合物(26)の性質〕 TLC,Rf=0.23(n-BuOH/MeOH/H2O=2/2/1) ▲〔α〕D24▼=+26.5° (C=0.215 H2O)1 HNMR(400MHz,D2O t−ブタノール) δ4.926(6H d J=2.4 H−1a〜f)、 4.009(6H dd J=2.4,3.4 H−2a〜f)、 3.944(6H dd J=2.5,11.3 H−6a〜f)、 3.925(6H dd J=3.4,8.9 H−3a〜f)、 3.880(6H dd J=5.5,12.5,H-6′a〜f)、 3.787(6H ddd J=2.4,5.0,9.5,H−5a〜f)、 3.703(6H dd J=8.9,9.2,H−4a〜f) 〔発明の効果〕 本発明のマンノースシクロオリゴマンノースはシクロデ
キストリンと同様、種々の化合物を包接する能力にすぐ
れている。
[Properties of compound (25)] Rf = 0.45 (toluene / ethyl acetate = 8/1) Comparative CD Rf = 0.74 mp: 143-145 ° C ▲ [α] D 23 ▼ = -6.2 ° (C = 0.13 CHCl 3 ) 1 HNMR (400 MHz, CDCl 3 , TMS) δ 7.1 to 7.3 (90 H m aromatic), 5.043 (6 H d J = 1.5 H a to f ), 4.528 (12 H s Bn ×
6), 4.490 (6H d J = 12.2 Bn x 3), 4.405 (6H, d, J
= 12.2, Bn x 3), 4.289 (6H d J = 11.6 Bn x 3), 4.202 (6H d J = 11.3 Bn x 3), 4.071 (6H dd J = 9.2,
9.5 H-4 a to f ), 3.979 (6H dd J = 4.6 11.0 H-6
a~f), 3.861 (6H dd J = 1.5,3.1, H-2 a~f), 3.40~3.90 (6H 1H H-5 a~f), 3.839 (6H dd J =
3.1, 9.2, H-3 a to f ), 3.753 (6H d J = 10.1 H-6 '
a~f) 13 C: 100.89 PPM ( J = 164.8) Example 8 Compound (25) with argon added 10% Pd-C34mg to 15 mg (5.7Myumol) was dissolved in methanol 3.0 ml, the inside of the system H 2 substituents And stirred at 50 ° C. for 15 hours. Further, 34 mg of 10% Pd-C was added, the system was replaced with H 2 , and the mixture was stirred at 50 ° C. for 8 hours. After completion of the reaction, the mixture was diluted with 50 ml of methanol, filtered through Celite, concentrated under reduced pressure, and separated and purified with Sephadex G-25 to obtain 5.4 mg of compound (26). Yield (93%) [Property of compound (26)] TLC, Rf = 0.23 (n-BuOH / MeOH / H 2 O = 2/2/1) ▲ [α] D 24 ▼ = + 26.5 ° (C = 0.215 H 2 O) 1 H NMR (400 MHz, D 2 O t-butanol) δ4.926 (6H d J = 2.4 H-1 a to f ), 4.009 (6H dd J = 2.4,3.4 H-2 a to f) ), 3.944 (6H dd J = 2.5,11.3 H-6 a~f), 3.925 (6H dd J = 3.4,8.9 H-3 a~f), 3.880 (6H dd J = 5.5,12.5, H-6 ' a~f), 3.787 (6H ddd J = 2.4,5.0,9.5, H-5 a~f), 3.703 (6H dd J = 8.9,9.2, H-4 a~f) [effect of the invention of the present invention Mannose cyclooligomannose, like cyclodextrin, has an excellent ability to include various compounds.

また本発明方法によれば、5〜8個のマンノースがα‐
1,4結合したシクロオリゴマンノースを立体選択的に高
収率で製造することができる。
According to the method of the present invention, 5-8 mannoses are α-
1,4-linked cyclo-oligomannose can be produced stereoselectively in high yield.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】次式で表わされるシクロマンノヘキサオー
ス。 (式中Rはベンジル基または水素原子を示す。)
1. Cyclomannohexaose represented by the following formula. (In the formula, R represents a benzyl group or a hydrogen atom.)
【請求項2】一般式(16A): (式中、R1は−C(NH)−CCl3、R2はトルオイル基、R3
はベンジル基またはメトキシベンジル基、R4はモノクロ
ロアセチル基、mは1〜5の整数を示す。)で表わされ
る化合物(16A)と、一般式(18A): (式中、Xは−SCH3、フッ素原子、またはアリルオキシ
基を示し、R2、R3は前記定義のとおりであり、nは、1
〜5の整数を示す。ただし、m+nは6である。)で表
わされる化合物(18A)を縮合して、一般式(19A): で表わされる化合物(19A)(X、R2、R3、R4は前記定
義のとおりである)を得、脱モノクロロアセチル化して
化合物(20A)(一般式(19A)においてR4が水素原子)
とした後、エトキシエチルエーテル化して化合物(21
A)(一般式(19A)においてR4がエトキシエチル基)を
得、これを脱トルオイル化して化合物(22A)(一般式
(19A)においてR2が水素原子、R4がエトキシエチル
基)を得、これをベンジル化もしくはメトキシベンジル
化して化合物(23A)(一般式(19A)においてR2がベン
ジル基またはメトキシベンジル基、R4がエトキシエチル
エーテル基)を得、次いで脱エトキシエチル化して化合
物(24A)(一般式(19A)においてR2がベンジル基また
はメトキシベンジル基、R4が水素原子)を得、これをグ
リコシル化触媒存在下に環化して一般式(25A): (式中R3はベンジル基またはメトキシベンジル基を示
す。) で表わされる化合物(25A)を得、これを脱保護するこ
とを特徴とする一般式(26A)で表わされるシクロオリ
ゴマンノースの製造法。
2. A general formula (16A): (In the formula, R 1 is —C (NH) —CCl 3 , R 2 is a toluoyl group, R 3
Is a benzyl group or a methoxybenzyl group, R 4 is a monochloroacetyl group, and m is an integer of 1 to 5. ) And a compound represented by the general formula (18A): (In the formula, X represents —SCH 3 , a fluorine atom, or an allyloxy group, R 2 and R 3 are as defined above, and n is 1
Indicates an integer of ˜5. However, m + n is 6. ) Is condensed with a compound (18A) represented by the general formula (19A): A compound (19A) represented by (X, R 2 , R 3 and R 4 are as defined above) is obtained, and demonochloroacetylated to give compound (20A) (in the general formula (19A), R 4 is a hydrogen atom). )
Then, the compound (21
A) (R 4 in the general formula (19A) is an ethoxyethyl group) is obtained, and this is detoluoylated to give a compound (22A) (in the general formula (19A), R 2 is a hydrogen atom and R 4 is an ethoxyethyl group). Then, this is benzylated or methoxybenzylated to obtain compound (23A) (in the general formula (19A), R 2 is benzyl group or methoxybenzyl group, and R 4 is ethoxyethyl ether group), and then deethoxyethylated to give compound (24A) (in the general formula (19A), R 2 is a benzyl group or a methoxybenzyl group, and R 4 is a hydrogen atom), and cyclized in the presence of a glycosylation catalyst to give the general formula (25A): (Wherein R 3 represents a benzyl group or a methoxybenzyl group), and the compound (25A) is deprotected, and the cyclooligomannose represented by the general formula (26A) is characterized by being deprotected. .
JP63224075A 1988-09-07 1988-09-07 Cyclooligomannose and method for producing the same Expired - Lifetime JPH0768282B2 (en)

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