Tetrahedron Letters

Carbonyl methylenation of easily enolizable ketones

J Hibino, T Okazoe, K Takai, H Nozaki

文献索引：Hibino, Jun-ichi; Okazoe, Takashi; Takai, Kazuhiko; Nozaki, Hitosi Tetrahedron Letters, 1985 , vol. 26, # 45 p. 5579 - 5580

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被引用次数: 151

摘要

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... An organometallic reagent prepared from CH 2 I 2 , Zn, and TiCl 4 is effective for methylenation of the title ketones. ... =7 Hz, 3H), 1.21–1.30 (m, 12H), 1.51–1.55 (m, 2H), 1.89 (s, 3H), 2.68 (dd, =6,14 Hz, 1H), 2.83 (dd, =7,14 Hz, 1H), 4.94 (ddt, =6,6,7 Hz, 1H), 5.11 (d, =1 Hz, 1H), ...