反应详情

2-Hydroxyimino-2-(1,2,5-thiadiazol-3-yl)acetic acid (syn isomer) (4.8 g.) and dichloroacetyl chloride (9.2 g.) were reacted according to a similar manner to that of Example 6(a) (4) to give crystals of 2-dichloroacetoxyimino-2-(1,2,5-thiadiazol-3-yl)acetic acid (syn isomer) (3.7 g.).