Processes for dehydrogenation of arylimidazolidones

Details Processes for dehydrogenation of arylimidazolidones Processes for dehydrogenation of arylimidazolidones

1978-11-06

1980-07-01

Trousof, Natalie

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D23370

Patent

active

042107601

ABSTRACT:
Dehydrogenation processes comprising contacting 1-(2-alkoxyalkyl)-4-aryl-2-imidazolidone with catalysts comprising a noble metal adsorbed on a carrier to produce 1-(2-alkoxyalkyl)-4-aryl-4-imidazolin-2-ones, the dehydrogenation products being useful for synthesis with prochiral catalysts to provide enantiomerically enhanced imidazolidones.

REFERENCES:
patent: 2226057 (1940-12-01), Graenacher et al.
Hofmann Imidazole and its Derivatives Part I, pp. 60-63 & 226, N.Y., Interscience, 1953.
Ferm et al., Chem. Rev., 1954, vol. 54, p. 605.
Hofmann Imidazole and its Derivatives Part I, pp. 42 & 220, N.Y., Interscience, 1953.

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