HRID2394475
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
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%.