Photolysis of diazomethane in (S)-2-methyloxetane gives 2- and 3-methyltetrahydrofuran (1:3.2), the latter being formed with 21 % net retention of configuration. In contrast, rhodium acetate catalysis yields racemic 3-methyltetrahydrofuran exclusively.
Lichtenberger; Lichtenberger, Bulletin de la Societe Chimique de France, 1948, p. 1002,1010
作者:Lichtenberger、Lichtenberger
DOI:——
日期:——
US6022822A
申请人:——
公开号:US6022822A
公开(公告)日:2000-02-08
[EN] BENZIMIDAZOLE COMPOUNDS<br/>[FR] COMPOSES DE BENZIMIDAZOLE
申请人:FUJISAWA PHARMACEUTICAL CO
公开号:WO2004108686A2
公开(公告)日:2004-12-16
The present invention provides novel benzimidazole compounds of the formula (I): wherein each symbol is as defined in the specification, salts thereof and prodrugs thereof, which are useful in treating, for example, the diseases curable through decrease in blood sugar level.