- 作者: Richard J. Cremlyn; Frederick J. Swinbourne; Olufemi O. Shode
- 作者服務機構: Division of Chemical Sciences, Hatfield Polytechnic, Hatfield Hertfordshire, England
- 中文摘要: Chalcone and 4-methoxychalcone react with chlorosulfonic acid to give chalcone-p-sulfonyl chloride and 4-methoxchalcone-3-sulfonyl chloride respectively. The sulfonyl chlorides were converted into 13 sulfonyl derivatives by reaction with nucleophiles. With hydrazine and phenylhydrazine the chalconesulfonyl chlorides were cyclised to the corresponding hydrazinopyrazolines. In contrast, with N, N-dimethyl-hydrazine only the dimethylsulfonohydrazides were obtained, and no attack on the carbonyl group was observed. Possible reasons for this difference in behaviour are discussed, together with spectroscopic evidence for the structures proposed.
- 英文摘要: --
- 中文關鍵字: Chalconesulfonyl derivatives.
- 英文關鍵字: Chalconesulfonyl derivatives.