Preparation of heterocycles using 1,3-dihalopropenes

Details Preparation of heterocycles using 1,3-dihalopropenes Preparation of heterocycles using 1,3-dihalopropenes

1998-04-07

1999-08-03

Rotman, Alan L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546251, 546330, 546336, 546345, 544180, C07D21306, C07D21308, C07D21309

Patent

active

059327367

ABSTRACT:
Described are preferred processes for preparing heterocycles having one or more nitrogen and/or oxygen heteroatoms, utilizing a 1,3-dihalopropene as an effective 3-carbon fragment. Preferred processes yield pyridines, quinolines, oxazoles, pyrimidines and pyrazoles, depending upon the other reactant or reactants utilized with the 1,3-dihalopropene.

REFERENCES:
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patent: 5180833 (1993-01-01), Uneme et al.
patent: 5705652 (1998-01-01), Jackson et al.
K. Schulze, F. Richter, R. Weisheit, R. Krause, M. Muhlstadt, M. Muhlstadt, "Zur Darstellung und Charakterisierung von Vinylsenfolen", Journal F. prakt. Chemie, Band 322, Heft 4, 1980, S. 629-637 (1980).
A.K. Mukerjee and R. Ashare, "Isothiocyanates in the Chemistry of Heterocycles", Chemical Reviews, vol. 91, No. 1, pp. 1-24 (Jan./Feb. 1991) .

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