THE PD-CATALYZED OXIDATIVE COUPLING REACTION OF METHYL METHYLBENZOATES

被引：0
|
作者：
SHIOTANI, A
机构：
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1994年 / 49卷 / 12期
关键词：
COUPLING REACTION; STERIC INFLUENCE; PALLADIUM; 1,10-PHENANTHROLINE; 2,4-PENTANEDIONE;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The Pd-catalyzed oxidative coupling reaction of methyl o-toluate gives, in the presence of a Pd/1,10-phenanthroline(phen)/Cu catalyst, exclusively, the para-linked biphenyldicarboxylates 1, 2, and 3. On the other hand, the meta-linked biphenyldicarboxylates 4 and 5, were predominantly formed in a catalyst system of Pd/2,4-pentanedione(acacH)/Cu, and under similar conditions 6 and 7 were also obtained from the coupling reaction of methyl m-toluate and methyl p-toluate, respectively. A reaction scheme has been proposed.
引用
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页码：1731 / 1736
页数：6
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