## 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
Combination of 1,2-Hydroboration and 1,1-Organoboration: Synthesis of Novel Organo-Substituted 1-Silacyclobutenes.
✍ Scribed by Bernd Wrackmeyer; Heidi E. Maisel; Elias Molla; Abdul Mottalib; Amin Badshah; Moazzam H. Bhatti; Saqib Ali
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 69 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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## Abstract The reaction of tetra(alkyn‐1‐yl)silanes Si(CC‐R^1^)~4~ **1** [R^1^ = ^t^Bu (**a**), Ph (**b**), C~6~H~4~‐4‐Me (**c**)] with 9‐borabicyclo[3.3.1]nonane (9‐BBN) in a 1:2 ratio affords the spirosilane derivatives **5a**–**c** as a result of twofold intermolecular 1,2‐hydroboration, follo
## 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