HRID2394475

反应详情

EQUATION

反应方程式

HRID 2394475 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

(+)-4-(5-Chloro-2-methoxy-benzamidomethyl)-6-(methylaminothiocarbonyl-aminosulfonyl)-7-methoxychroman ##STR59## (+)-4-(5-Chloro-2-methoxy-benzamidomethyl)-6-(methylaminothiocarbonylaminosulfonyl)-7-methoxychroman is prepared as described in Example 4 from optically active 4-(5-chloro-2-methoxy-benzamidomethyl)-6-sulfamoyl-7-methoxychroman and methyl isothiocyanate. Melting point: 201° C.; [α]D20 : +47.2° (c=1, DMF); HPLC: ee 88.1%.