Ring expansion of heteroaromatic betaines with cyclopropene derivatives
Ring expansion of heteroaromatic betaines with cyclopropene derivatives
复制标题
环丙烯衍生物对杂芳甜菜碱的扩环
DOI：
10.1039/c39730000833
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发表时间：
1974
期刊：
影响因子：
--
通讯作者：
J. Baum
中科院分区：
文献类型：
--
作者：
K. Potts;J. Baum
二苯基环丙烯酮、二苯基环丙烯硫酮和三苯基环丙烯与N-苯甲酰基-N-甲基-C-苯基甘氨酸在乙酸酐中的反应分别提供了制备4-吡啶酮、吡啶-4-硫酮和1，4-二氢吡啶的方便途径;脱水-5-羟基-3-甲基-2-苯基噻唑氢氧化物体系也容易与二苯基环丙烯硫酮反应。
Reaction of diphenylcyclopropenon, diphenylcyclopropenethione, and triphenylcyclopropene with N-benzoyl-N-methyl-C-phenylglycine in acetic anhydride provides a convenient route to 4-pyridones, pyridine-4-thiones, and 1,4-dihydropyridines, respectively; the anhydro-5-hydroxy-3-methyl-2-phenylthiazolium hydroxide system also reacts readily with diphenylcyclopropenethione.