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.
Yonemoto, Yakugaku Zasshi/Journal of the Pharmaceutical Society of Japan, 1959, vol. 79, p. 143,149