1) benzo[b]pyran-3-carboxylate
苯并[b]吡喃-3-羧酸酯
1.
Efficient Synthesis of 2-Amino-4-aryl-7,7-dimethyl-5-oxo-4H-5,6,7,8-tetrahydrobenzo[b]pyran-3-carboxylate in Aqueous Media;
水介质中2-氨基-4-芳基-7,7-二甲基-5-氧代-4H-5,6,7,8-四氢苯并[b]吡喃-3-羧酸酯的有效合成
2) benzo[b]pyran
苯并[b]吡喃
1.
Catalyst-free synthesis of 2-amino-7,7-dimethyl-5-oxo-4-aryl-4H-chromene-3-carbonitrile-5,6,7,8-tetrahydrobenzo[b]pyran(2) in water is described.
水相中无催化剂合成了2-氨基-7,7-二甲基-5-氧代-4-芳基-4H-苯并吡喃-3-氰基-5,6,7,8-四氢苯并[b]吡喃,其结构经1H NMR,IR和元素分析表征。
2.
Recently , Compouds containing Benzo[b]pyran structure is the hotspot of new drugs development, which possess antitumor, choleretic treatment and eliminating urolith, anticoagulation, anti-osteoporosis, anti-inflammatory, anti-fungus, hemangiectasis, reducing blood sugar , antivirus, anti-schistosomiasis, and so on.
近年来,含有苯并[b]吡喃结构的杂环类化合物已成为新药研究与开发的热点领域之一。
3) 4-Oxo-4H-1-benzopyran-2-carboxylic acid
4-苯并吡喃酮-2-羧酸
4) tetrahydrobenzo[b]pyran
四氢苯并[b]吡喃
1.
One-Pot Synthesis of 2-Amino-3-cyano-4-aryl-7,7-dimethyl-5-oxo- 4H-5,6,7,8-tetrahydrobenzo[b]pyran in Aqueous Medium;
水中“一锅法”合成2-氨基-3-氰基-4-芳基-7,7-二甲基-5-氧代-4H-5,6,7,8-四氢苯并[b]吡喃
5) 4H-benzo[b]pyrans
4H-苯并[b]吡喃
1.
Owing to the special structure and high reactivity of 2-(benzo[d]thiazole-2-yl)- acetonitrile andβ-(2-chloroaroyl)-heterocyclic ketene aminals, we herein developed an excellent strategy for for the synthesis of 4H-benzo[b]pyrans, tetrahydroimidazo -[1,2-a]pyridines and 1,8-naphthyridines derivatives.
本论文基于2-氰甲基苯并噻唑及利用β-邻氯芳基杂环烯酮缩胺的独特结构和突出的反应性能,构筑和发展4H-苯并[b]吡喃,四氢咪唑并吡啶和1,8-二氮杂萘类杂环体系的合成方法。
6) Benzopyrone ester
苯并吡喃酮酯
补充资料：γ-吡喃酮-2-羧酸
分子式：
CAS号：
性质：又名靠曼酸(comanic acid)。无色棱柱状晶体。熔点250℃(同时分解为γ-吡喃酮)。微溶于水。可由白屈菜酸(chelidonic acid)脱羧制备。用于有机合成。
CAS号：
性质：又名靠曼酸(comanic acid)。无色棱柱状晶体。熔点250℃(同时分解为γ-吡喃酮)。微溶于水。可由白屈菜酸(chelidonic acid)脱羧制备。用于有机合成。
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