反应详情

A suspension of 22.3 g. 4,4'-dichlorobenzil, 6.5 g. 2-cyanothioacetamide, 20 drops of piperidine and 200 ml. chloroform is stirred for 20 hours at ambient temperature. The yellow precipitate obtained is filtered off with suction, well washed with chloroform and dried. There are obtained 22.0 g. of the desired compound in the form of yellow crystals; m.p. 213° C. (decomp.).

1. additionA suspension of 22.3 g
2. customThe yellow precipitate obtained
3. filtrationis filtered off with suction
4. washwell washed with chloroform
5. customdried
6. customThere are obtained 22.0 g