An electron diffraction determination of the gas-phase molecular structures of 1-silacyclopent-3-ene, 1,1-difluoro-1-silacyclopent-3-ene and 1,1-dichloro-1-silacyclopent-3-ene
✍ Scribed by Stephen Cradock; E.A.V. Ebsworth; Brian M. Hamill; David W.H. Rankin; Joan M. Wilson; R. Alastair Whiteford
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 594 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0022-2860
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Silabicyclo[3.1.0] hexane 2 obtained from silacyclopent-3-ene 1 by dichlorocarbene addition is useful in the synthesis of ring-expanded products, such as silacyclohexa-2,4-diene 3 and 5-alkoxysilacyclohex-3-enes 5. Catalytic hydrogenation of compound 3 affords silacyclohexane 4. The new heterocycle
## 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