HRID2394474

反应详情

EQUATION

反应方程式

HRID 2394474 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-methoxybenzamidomethyl)-6-(methylaminocarbonylaminosulfonyl)-7-methoxychroman ##STR58## (+)-4-(5-Chloro-2-methoxybenzamidomethyl)-6-(methylaminocarbonylaminosulfonyl)-7-methoxychroman is prepared analogously to Example 1 from optically active 4-(5-chloro-2-methoxybenzamidomethyl)-6-sulfamoyl-7-methoxychroman and N-methyltrichloroacetamide. Melting point: 242° C.; [α]D20 : +63.4° (c=1, DMF); HPLC: ee 100%.