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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ gruyclewee: 金币+3, 感谢应助 ,奖励一下。 2013-06-15 12:06:38 nickywgh: 金币+5 2013-06-16 12:15:53
A process for preparing 1,3,4-oxadiazole derivatives
By: Zhu, Dongxia; Lu, Hongfei; Zhang, Jing; Zhang, Jingping
Assignee: Northeast Normal University, Peop. Rep. China
The invention relates to a process for the prepn. of 1,3,4-oxadiazole derivs. I, wherein Ar is Ph, 2-OMe-Ph, 4-Me-Ph, or 2-thienyl. For instance, 2,5-bis(2-methoxyphenyl)-1,3,4-oxadiazole was prepd. by chlorination of 2-methoxybenzoic acid followed by amidation with NH2NH2 and heterocyclization in the presence of POCl3.
即:
Accession Number
2010:191008
CAN152:287388
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