摘要
羟胺和苯肼作为亲核试剂与3-(3,4,5-三甲氧基)肉桂酰基酚酮和3-(3,4-亚甲二氧基)肉桂酰基酚酮发生缩合反应分别得到3-(3,4,5-三甲氧基)苯乙烯基异唑并[5,4-b]酮、3-(3,4-亚甲二氧基)苯乙烯基异唑并[5,4-b]酮、3-(3,4,5-三甲氧塞)苯乙烯基吡唑并[5,4-b]酮和3-(3,4-亚甲二氧基)苯乙烯基吡唑并[5,4-b]酮这4种缩杂环酮新化合物,其结构经红外光谱、核磁共振谱及元素分析证实。
trimethoxy) cinnamoyltropolone and 3-(3,4-methylenedioxy)cinnamoy react with hydroxylamine and phenylhydrazine to afford 3-(3,4,5-trimethoxy)styryl-8-H-cyclohept(d)isoxazol-8one,3-(3,4-methylenedioxy)styryl-8-H-cyclohept(d)isoxazol-8-one,3-(3)4,5-trimethoxy) styryl-1, 8-dihydrocycloheptapyrazol-8-one and 3-(3,4-methylenedioxy)styryl-1 ,8-dihydrocycloheptapyrazol-8one,respectively.
出处
《化学试剂》
CAS
CSCD
北大核心
1995年第3期163-164,共2页
Chemical Reagents