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J-GLOBAL ID：200902253455562934   Reference number：03A0493910

Synthetic studies of proanthocyanidins. Part 3: Stereoselective 3,4-cis catechin and catechin condensation by TMSOTf-catalyzed intramolecular coupling method.

プロアントシアニジン類の合成研究 3 TMSOTfを触媒とした分子内カップリング法によるカテキンとカテキンの立体選択的な3,4-cis-縮合

Author (4)： SAITO A (Japan Society for the Promotion of Sci. Domestic Res. Fellow, Toyama, JPN) ,  NAKAJIMA N (Toyama Prefectural Univ., Toyama, JPN) ,  TANAKA A (Toyama Prefectural Univ., Toyama, JPN) ,  UBUKATA M (Toyama Prefectural Univ., Toyama, JPN)
Material： Tetrahedron Letters  (Tetrahedron Lett)
Volume： 44  Issue： 29  Page： 5449-5452  Publication year： Jul. 14, 2003 
JST Material Number： E0366A  ISSN： 0040-4039  Document type： Article
Article type： 短報  Country of issue： United Kingdom (GBR)  Language： ENGLISH (EN)

Thesaurus term： *flavonoid ,...

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JST classification (1)： Condensed derivatives of pyrane  (CF07093I)

Substance index (21)： Procyanidin B1 ,  Procyanidin B3 ,  Procyanidin B4 ,  (2R,2′R)-2α,2′α-Bis[3,4-bis(benzyloxy)phenyl]-5,5′,7,7′-tetrakis(benzyloxy)-4β,8′-bichroman-3β,3′β-diol ,  (+)-Cathechin tetrabenzyl ether ,  (2R)-2α-[3,4-Bis(benzyloxy)phenyl]-4β-(2-ethoxyethoxy)-5,7-bis(benzyloxy)chroman-3β-ol ,  Succinic acid anhydride ,  Glutaric acid anhydride ,  Succinic acid 1-[(2R)-2α-[3,4-bis(benzyloxy)phenyl]-4β-(2-ethoxyethoxy)-5,7-bis(benzyloxy)chroman-3β-yl] ester ,  Glutaric acid 1-[(2R)-2α-[3,4-bis(benzyloxy)phenyl]-4β-(2-ethoxyethoxy)-5,7-bis(benzyloxy)chroman-3β-yl] ester ,  Succinic acid bis[(2R)-2α-[3,4-bis(benzyloxy)phenyl]-4β-(2-ethoxyethoxy)-5,7-bis(benzyloxy)chroman-3β-yl] ester ,  Glutaric acid bis[(2R)-2α-[3,4-bis(benzyloxy)phenyl]-4β-(2-ethoxyethoxy)-5,7-bis(benzyloxy)chroman-3β-yl] ester ,  Trimethylsilyl trifluoromethanesulfonate ,  Succinic acid [(2R,2′R)-2α,2′α-bis[3,4-bis(benzyloxy)phenyl]-5,5′,7,7′-tetrakis(benzyloxy)-4β,8′-bichroman-3β,3′β-diyl] ester ,  Glutaric acid [(2R,2′R)-2α,2′α-bis[3,4-bis(benzyloxy)phenyl]-5,5′,7,7′-tetrakis(benzyloxy)-4β,8′-bichroman-3β,3′β-diyl] ester ,  Succinic acid 1-[(2R,2′R)-2α,2′α-bis[3,4-bis(benzyloxy)phenyl]-3′β-hydroxy-5,5′,7,7′-tetrakis(benzyloxy)-4β,8′-bichroman-3β-yl] ester ,  Glutaric acid 1-[(2R,2′R)-2α,2′α-bis[3,4-bis(benzyloxy)phenyl]-3′β-hydroxy-5,5′,7,7′-tetrakis(benzyloxy)-4β,8′-bichroman-3β-yl] ester ,  Glutaric acid 1-[(2R)-2α-[3,4-bis(benzyloxy)phenyl]-4α-(2-ethoxyethoxy)-5,7-bis(benzyloxy)chroman-3α-yl]5-[(2R)-2α-[3,4-bis(benzyloxy)phenyl]-5,7-bis(benzyloxy)chroman-3β-yl] ester ,  Glutaric acid [(2R,2′R)-2α,2′α-bis[3,4-bis(benzyloxy)phenyl]-5,5′,7,7′-tetrakis(benzyloxy)-4β,8′-bichroman-3α,3′β-diyl] ester ,  Glutaric acid 1-[(2R)-2α-[3,4-bis(benzyloxy)phenyl]-4β-(2-ethoxyethoxy)-5,7-bis(benzyloxy)chroman-3β-yl]5-[(2R)-2α-[3,4-bis(benzyloxy)phenyl]-5,7-bis(benzyloxy)chroman-3α-yl] ester ,  Glutaric acid [(2R,2′R)-2α,2′α-bis[3,4-bis(benzyloxy)phenyl]-5,5′,7,7′-tetrakis(benzyloxy)-4α,8′-bichroman-3β,3′α-diyl] ester

Terms in the title (8)： プロアントシアニジン類 ,  研究 ,  TMSOTf ,  触媒 ,  カテキン ,  立体 ,  CIS ,  縮合