| 摘要 |
1291143 Thiocarbohydrazones CANADIAN PATENTS & DEVELOPMENT Ltd 11 Aug 1970 [15 Aug 1969] 38638/70 Heading C2C The invention comprises mono- or di-thiocarbohydrazones obtained by the condensation of thiocarbohydrazide with an aldehyde or a ketone. The compound may have the formula where R and R 1 are H, alkyl, alkenyl, aryl, aralkyl, aralkenyl or a heterocyclic group or R and R 1 are together a divalent group derived from a cyclic ketone and X and Y are each H or together represent the group The compounds may be used as fungicides. |
