1) 4-arylmethylidene-3-methyl-4
3-甲基-4-芳亚烃基异噁唑-5-酮
1.
A series of 4-arylmethylidene-3-methyl-4,5-dihydroisoxazol-5-one derivatives were synthe-sized by the condensation reactions of aromatic aldehydes with 3-methyl-4,5-dihydroisoxazol-5-one via room temperature grinding or heating under solvent-free conditions without any catalyst.
在无溶剂无催化剂条件下,芳香醛与3-甲基异噁唑-5-酮经室温研磨和固相加热发生缩合反应得到了系列3-甲基-4-芳亚烃基异噁唑-5-酮。
2) 3-methyl-4-arylmethylene-isoxazol-5(4H)-one
3-甲基-4-芳亚甲基-异噁唑-5(4H)-酮
1.
One-pot three component condensation reactions of methyl acetoacetate,hydroxylamine hydro-chloride and aromatic aldehydes were used for the preparation of a series of 3-methyl-4-arylmethylene-isoxazol-5(4H)-one derivatives under ultrasonic irradiation in aqueous media at room temperature.
报道了室温超声辐射下,水相中通过乙酰乙酸甲酯、盐酸羟胺和芳香醛的三组分一锅反应,合成了一系列3-甲基-4-芳亚甲基-异噁唑-5(4H)-酮衍生物。
3) 3-methyl-4,5-dihydroisoxazol-5-one
3-甲基异噁唑-5-酮
1.
A series of 4-arylmethylidene-3-methyl-4,5-dihydroisoxazol-5-one derivatives were synthe-sized by the condensation reactions of aromatic aldehydes with 3-methyl-4,5-dihydroisoxazol-5-one via room temperature grinding or heating under solvent-free conditions without any catalyst.
在无溶剂无催化剂条件下,芳香醛与3-甲基异噁唑-5-酮经室温研磨和固相加热发生缩合反应得到了系列3-甲基-4-芳亚烃基异噁唑-5-酮。
4) 5-Methyl-3(2H)-isoxazolone
5-甲基-3(2H)-异噁唑酮
5) 3-aryl-1,2,3,4-oxatriazole-5-imine
3-芳基-1,2,3,4-噁三唑-5-亚胺
1.
Substituted aniline was diazotized and subsequently reduced to give phenylhydrazine hydrochlo-ride,which reacted with potassium thiocyanate to produce aryl-substituted thiosemicarbazide,followed by reaction with isopentyl nitrite and hydrochloric acid and neutralization with alkali to afford 3-aryl-1,2,3,4-oxatriazole-5-imine.
取代苯胺经重氮化、还原得苯肼盐酸盐,与硫氰酸钾作用得苯基取代的氨基硫脲,再在亚硝酸异戊酯、盐酸的作用下环合、成盐,加碱中和后生成3-芳基-1,2,3,4-噁三唑-5-亚胺,最后与乙酰水杨酰氯反应得目标物6a～6l,其结构经MS,IR,1H NMR和元素分析确证。
6) 3-(2,6-Dichlorophenyl)-5-methyl-4-isoxazolecarbonyl chloride
3-(2,6-二氯苯基)-5-甲基-4-异噁唑甲酰氯
补充资料：5-甲基-3-(2-氯苯基)4-异噁唑酰氯
分子式 C11H7C12NO2
分子量 256.08
CAS号 25629-50-9
3-邻氯苯基-5-甲基-4-异噁唑酰氯为浅灰色结晶粉末,易溶于乙酸乙酯和乙丁酯,溶于乙醚等有机溶剂。
用途;3-邻氯苯基-5-甲基-4-异噁唑酰氯主要用于合成3-邻氯苯基-5-甲基-4-异噁唑青霉素。
分子量 256.08
CAS号 25629-50-9
3-邻氯苯基-5-甲基-4-异噁唑酰氯为浅灰色结晶粉末,易溶于乙酸乙酯和乙丁酯,溶于乙醚等有机溶剂。
用途;3-邻氯苯基-5-甲基-4-异噁唑酰氯主要用于合成3-邻氯苯基-5-甲基-4-异噁唑青霉素。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条