Journal of Organic Chemistry p. 4129 - 4135 (1980)
Update date:2022-08-02
Topics:
Salauen, Jacques
Bennani, Fatima
Compain, Jean-Claude
Fadel, Antoine
Ollivier, Jean
Cyclopropanol (5), 1-(arylethynyl)cyclopropanol (7), 1-(3-hydroxypropyl)cyclopropanol derivative 10, 1-(2-propynyl)cyclopropanol (14), cyclopropanone cyanohydrin (19), 1-(aminomethyl)cyclopropanol (21) derivatives, benzylidenecyclopropanes 32, and ethyl cyclopropylideneacetate (38) have been prepared from the magnesium salt of cyclopropanone hemiketal 3. 3-Cyclopropylidene-1-propanol (12) and 3-cyclopropylidene-1-propyne (16) have been obtained from the cyclopropanols 10 and 14, respectively. Some reactions of this new synthon were specific. On the other hand, 3 did not undergo the nucleophilic addition of sulfur and nitrogen ylides; it underwent oxidizing ring opening with BrZnCH2COOEt and induced the decomposition of diazomethane.
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