期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 136, 期 31, 页码 10914-10917出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja506795u
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资金
- Zhejiang Provincial Natural Science Foundation of China [R4110055]
- National Natural Science Foundation of China [21372196]
- Program for New Century Excellent Talents in University
A tandem coupling-ketooxygenation reaction of readily accessible enediyne-carboxylic compounds with inner alkynes has been developed that utilizes the PdCl2/CuBr2 catalytic system under an O-2 atmosphere and assembles a class of isoindolinones and o-acylbenzoic acids. The two oxygen atoms are regioselectively incorporated into enediyne units at the 1- and 6-positions from atmospheric molecular oxygen and H2O, respectively, during the present process. This study uncovered a formal [4C + 2C] benzannulation diketonization of enediynes and alkynes via a coupling and decoupling strategy.
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