Ethyl propiolate and dimethyl acetylenedicarboxylate activated by AlCl3 react with 2-bromothiazole to give, after quenching with aqueous NaHCO3 or PhCH2NH2, N-vinylthiazolin-2-ones and 2-benzylimino-N-vinylthiazolines respectively.
丙炔酸乙酯和
乙炔二通过使AlCl活化3与
2-溴噻唑反应,得到,用NaHCO
水溶液淬火后3或物理信道2 NH 2,Ñ -vinylthiazolin -2-酮和2- benzylimino- Ñ分别-vinylthiazolines。