ISSN:
0947-3440
Keywords:
Alkynes
;
Strained molecules
;
1,2,3-Selenadiazoles
;
Fragmentation
;
Chemistry
;
Organic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Starting from cycloalkenes, the cis- or trans-cyclopropano anellated cycloalkynes 2-7 of medium ring size were synthesized. The triple bonds were introduced in the final reaction step either by the fragmentation of the corresponding 1,2,3-selenadiazoles or by direct dehydration of a ketone (Scheme 2). The cis-fused bicycles 2 and 3 and the trans-fused bicycles 5, 6 and 7 could be isolated in a pure state. The intermediary existence of the most strained system trans-bicyclo[7.1.0]dec-2-yne (4) was proven by trapping reactions.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/jlac.199719970736
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