تفاعل #321788

معادلة التفاعل

compound

3-Isopropenyl-4,5-di-O-methyl-β-D-psicopyranose

tosyl chloride

→

desired product

المردود 70.8%

1-para-Toluenesulfonyl-3-isopropenyl-4,5-di-O-methyl-β-D-psicopyranos

المردود 70.8%

المذيبات

diethyl ether pentane

pyridine

ظروف التفاعل

المعالجة

1. 1
   أخرىdescribed for the preparation of Example 10

الإجراء التجريبي

Following the procedure described for the preparation of Example 10, starting from 0.80 g (3.22 mmol) of the compound obtained in Example 29 and 1.53 g of tosyl chloride in 15 ml of anhydrous pyridine, then purification by chromatography on silica gel (eluant: diethyl ether/pentane, 2:1), 0.92 g (2.28 mmol) of the desired product in the form of a white-coloured foam is obtained.

المصدر