Synthesen und Struktur von Diborylacetylenen
- 1 July 1993
- journal article
- research article
- Published by Wiley in European Journal of Inorganic Chemistry
- Vol. 126 (7) , 1593-1595
- https://doi.org/10.1002/cber.19931260714
Abstract
Syntheses and Structure of DiborylacetylenesReactions of bis(trimethylstannyl)acetylene with 2‐chloro‐1,3,2‐benzodioxaborole derivatives or 9‐chloro‐9‐borabicyclo[3.3.1]nonane lead to the corresponding diborylacetylenes 1a, b and 2. Sodium acetylide reacts with R1R2BCl to give R1R2BC1 (3a, b), which are converted to R1R2BC1R1R2 (4a, b) by lithiation and subsequent treatment with more R1R2BCl (R1=iPr2N, R2=iPr2N or tBu). X‐Ray structure analyses are performed for 1a, 4a, and 4b.Keywords
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