Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Azetines from cyclopropyl azides

Azetines from cyclopropyl azides Regiospecific ring expansion... [Pg.132]

In contrast, the photolysis of these azides at 350 nm leads only to the corresponding nitriles and olefins in yields of 90 l-(Alkylthio)cyclopropyl azides (164), readily accessible from the corresponding chlorides and bromides, are smoothly decomposed at ITC with nitrogen evolution. The main process is a ring enlargement to 2-(alkylthio)azetines (165), accompanied by cleavage to an alkyl thiocyanate and an alkene (equation 114). ... [Pg.847]

A number of 1-azetines have been obtained from thermolysis of cyclopropyl azides, nitriles and alkenes being side products. The cyclopropyl azides were obtained by transfer of a diazo-group from tosyl azide to cyclopropylamine anions or from carbene/carbenoid additions to vinyl azides. The azetine (1) was oxidized... [Pg.51]

See other pages where Azetines from cyclopropyl azides is mentioned: [Pg.426]    [Pg.426]    [Pg.273]    [Pg.273]    [Pg.273]    [Pg.273]   
See also in sourсe #XX -- [ Pg.28 ]



SEARCH



Azetine

Cyclopropyl azides

From azides

© 2024 chempedia.info