Allylic Substituent Effects on Reactivity of Double Bond
β Scribed by S. Goldstein; D. Sory; L. Ghosez; M. Klessinger; H. Friege
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2010
- Weight
- 48 KB
- Volume
- 91
- Category
- Article
- ISSN
- 0037-9646
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π SIMILAR VOLUMES
## Abstract A propargylic ester containing a propargylic alkoxy group has been observed to preferentially undergo [1,2]βacyl shift over [1,3]βshift. In addition, the complementary and contrasting reactivity of vinyl __vs.__ alkynyl platinum carbenoids has been discovered. Vinyl platinum carbenoids
of 4-methyl-2-methylene-1,3-dioxane, 2 (M 1 ), with 2-methylene-1,3-dioxane, 1 (M 2 ); of 4,4,6-trimethyl-2-methylene-1,3-dioxane, 3 (M 1 ), with 2-methylene-1,3-dioxane, 1 (M 2 ); of 4-methyl-2-methylene-1,3-dioxolane, 5 (M 1 ), with 2-methylene-1,3-dioxolane, 4 (M 2 ); and of 4,5-dimethyl-2-methyl