Synthesis and Structures of 1,1'-dinaphthopyrans

被引：6

作者：

Wang, Bin ^{[1
]}

Li, Minxiong ^{[1
]}

Xu, Shansheng ^{[1
]}

Song, Haibin ^{[1
]}

Wang, Baiquan ^{[1
]}

机构：

[1] Nankai Univ, Coll Chem, State Key Lab Elementoorgan Chem, Tianjin 300071, Peoples R China

来源：

SYNTHESIS-STUTTGART | 2007年 / 9卷 / 09期

关键词：

dinaphthofuran; 1,1-dinaphthopyran; 6H-dinaphtho[b; d]pyran; reductive ring opening;

D O I：

10.1055/s-2007-965996

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The reaction of dinaphthofuran with lithium in anhydrous diethyl ether led to a solution of the corresponding C,O-dilithiated intermediate which, upon treatment with a range of ketones or aldchydes at -78 C afforded, after hydrolysis and dehydration, 1, 1'-dinaphthopyrans in good yields. The reaction proceeds through reductive ring-opening and cyclization and an intermediate diol was isolated.

引用

页码：1304 / 1308

页数：5

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