New low-valent titanium reagents for dicarbonyl coupling and their use in a general method of annulation

…, KSK Murthy, WD Hayward, S Daigneault

文献索引：Clive, Derrick L. J.; Zhang, Chengzhi; Murthy, K. S. Keshava; Hayward, William D.; Daigneault, Sylvain Journal of Organic Chemistry, 1991 , vol. 56, # 22 p. 6447 - 6458

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摘要

We report here full details of the development of some new low-valent titanium reagents in which the metal has formally a valency of 1. These reagents can be used in a general method of annulation (see Scheme I)'and, unlike some other low-valent titanium species that we have tested, also work with highly oxygenated compounds.