In situ generation and trapping of aryllithium and arylpotassium species by halogen, sulfur, and carbon electrophiles.
In situ generation and trapping of aryllithium and arylpotassium species by halogen, sulfur, and carbon electrophiles.
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DOI:
10.1021/jo9015369
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发表时间:
2009-11-06
期刊:
影响因子:
--
通讯作者:
Daugulis O
中科院分区:
文献类型:
--
作者:
Popov I;Do HQ;Daugulis O
A general method has been developed for in situ trapping of arylmetal intermediates by halogen, sulfur, ketone, and aldehyde electrophiles affording the functionalization of the most acidic position in arene. Pentafluorobenzene, benzothiazole, and benzoxazole can be functionalized by using K3PO4 base. For less acidic arenes, tBuOLi base is required. Arenes with DMSO pKa’s of 35 or less are reactive.
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