Process for preparing new imidazolemethylphosphonium salts

Details Process for preparing new imidazolemethylphosphonium salts Process for preparing new imidazolemethylphosphonium salts

1978-03-08

1979-08-07

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D23114

Patent

active

041638581

ABSTRACT:
New imidazolemethylphosphonium salts having a degradable group at the 2-position which are useful intermediates for preparing histamine H.sub.2 antagonists. This invention concerns the preparation of imidazolemethylphosphonium salts having no substituent at the 2-position by heating the compounds referred to above.

REFERENCES:
patent: 2844582 (1958-07-01), Raley
patent: 3185699 (1965-05-01), Sherlock
Hofmann Imidazole and its Derivatives Part I, pp. 175-178, N.Y., Interscience, 1953.

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