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Trapping reactions of 1,3-bridged cyclopropenes

✍ Scribed by Halton, Brian; Diggins, Mathew D.; Kay, Andrew J.


Book ID
126205243
Publisher
American Chemical Society
Year
1992
Tongue
English
Weight
578 KB
Volume
57
Category
Article
ISSN
0022-3263

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## Abstract In presence of crown ether, 2‐alkoxy‐1,1‐dichlorocyclopropanes react with __t__‐BuOK/THF preferentially __via__ ring opening to 2‐chloroalk‐2‐en‐1‐ones and alkynones or to chlorocyclopropenes. The latter may be intercepted with 1,3‐diphenylisobenzofuran, but in the absence of trapping a