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2 edition of mechanisms of group replacements with special reference to the Hoffmann and Curtius reactions. found in the catalog.

mechanisms of group replacements with special reference to the Hoffmann and Curtius reactions.

George Allison Dinsmore

mechanisms of group replacements with special reference to the Hoffmann and Curtius reactions.

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Published .
Written in English


Edition Notes

Thesis (M. Sc.)--The Queens" University of Belfast, 1950.

The Physical Object
Pagination1 v
ID Numbers
Open LibraryOL21531540M

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mechanisms of group replacements with special reference to the Hoffmann and Curtius reactions. by George Allison Dinsmore Download PDF EPUB FB2

Curtius and Hofmann rearrangements are two important reactions which have as common intermediate a particular species, called nitrene (nitrogen analogue of carbene). Curtius rearrangement. Curtius rearrangement is a useful reaction which allows to obtain a primary amine starting from an acyl azide.

Curtius rearrangement Also known as: Curtius degradation. The Curtius rearrangement is an organic reaction used to convert an acyl azide to an isocyanate under thermal conditions. The mechanism consists of an alkyl shift of the R group from the carbonyl carbon to the closest nitrogen with the release of nitrogen gas.

The release of gas drives. The isocyanate produced via the Curtius rearrangement readily reacted with aniline to give a urea compound in 93% yield. p-Tolyl isocyanate selectively reacted with an amine group of 1 to give a. Acceptable routes include Gabriel synthesis Curtius or Hoffman rearrangement S from CHEM at University of Illinois, Urbana Champaign.

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The Hofmann and Curtius Rearrangements. The Hofmann and Curtius rearrangements are two examples of a whole family of rearrangement reactions that share a common mechanistic step.

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