Easy synthesis of functionalized hetero[7]helicenes

被引：72

作者：

Dreher, SD ^{[1
]}

Weix, DJ ^{[1
]}

Katz, TJ ^{[1
]}

机构：

[1] Columbia Univ, Dept Chem, New York, NY 10027 USA

来源：

JOURNAL OF ORGANIC CHEMISTRY | 1999年 / 64卷 / 10期

关键词：

D O I：

10.1021/jo990065o

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Hetero[7]helicenebisquinones can be synthesized easily on a multigram scale by combining the silyl enol ethers of 3,6-diacetyldibenzofuran, 3,6-diacetyldibenzothiophene, and 3,6-diacetylcarbazole with p-benzoquinone. They can be resolved into their enantiomers by a procedure that had previously been used to resolve carbohelicenebisquinones. Their absolute configurations are assigned.

引用

页码：3671 / 3678

页数：8

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