Preparation process for 2 formyl imidazole acetals

Details Preparation process for 2 formyl imidazole acetals Preparation process for 2 formyl imidazole acetals

1995-08-04

1996-08-27

Morris, Patricia L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

5483411, C07D40504, C07D23364

Patent

active

055502504

ABSTRACT:
Preparation process for a product of formula (I): ##STR1## in which R.sub.1 and R.sub.2, either are identical and represent a C.sub.1 -C.sub.4 alkyl radical, or form together a group of formula (II):

REFERENCES:
patent: 3652579 (1972-03-01), Hoffer et al.
patent: 5312927 (1994-05-01), Takada et al.
Koople et al, Quaternary Salts of 2-[(Hydroxyimino)methyl]imidazole . . . J. Med. Chem, No. 4, vol. 34, pp. 1368-1376, 1991.
J. Adamson et al, Cyclic Quaternary Ammonium Salts J. Chem. Soc., vol. 16, pp. 2748-2749, 1971.
I. Antonine et al, The Decarbonylation Reaction of Imidazole-2-carbaldehydes in Ethanol, Journal of Heterocyclic Chemistry, No. 7, vol. 15, pp. 1201-1203, 1978.
Hagedorn III, et al, "Cardiotonic Agents. etc" J. Med. Chem. (1987), 30, 1342-1347.
Lukowski, "2-Methylinedazole", CA86:89825u (1977).

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