## Abstract The reaction of alkyn‐1‐yl(chloro)(methyl)vinyl‐ and alkyn‐1‐yl(chloro)(phenyl)‐vinylsilane with 9‐borabicyclo[3.3.1]nonane (9‐BBN) afforded selectively 1‐silacyclopent‐2‐ene derivatives containing a SiCl function, as a result of consecutive 1,2‐hydroboration and 1,1‐organoboration. Pr
Hydroboration and Oxymercuration of Some 1-Substituted Norborn-2-enes
✍ Scribed by Wolfgang Luef; Ulrich-Christian Vögeli; Reinhart Keese
- Publisher
- John Wiley and Sons
- Year
- 1983
- Tongue
- German
- Weight
- 599 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Abstract
The 1‐substituted norborn‐2‐enes 11–13 and 18 react with electrophiles under kinetic control preferentially in 2‐position. The regioselectivity in oxymercuration is higher than in hydroboration and reaction with aqueous palladium chloride.
📜 SIMILAR VOLUMES
The oxymercuration -demercuration of ethylene ketal of bicyclomet-2-en-8-one is reported. This reaction proceeds with high regio-and stereoselectivity.
## Abstract The reaction of di(alkyn‐1‐yl)silanes Me(R)Si(CC^__t__^Bu)~2~ [1; R = Me (a), H (b)] with diethylborane or 9‐borabicyclo[3.3.1]nonane in a 1 : 1 ratio affords the 1‐silacyclobutene derivatives 6a, 7a,b as a result of intermolecular 1,1‐hydroboration followed by intramolecular 1,1‐organ