Process for 3-(1-[arylmethyl]tetrazol-5-yl)penams

Details Process for 3-(1-[arylmethyl]tetrazol-5-yl)penams Process for 3-(1-[arylmethyl]tetrazol-5-yl)penams

1974-10-09

1976-05-18

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424270, 424271, C07D49804

Patent

active

039578119

ABSTRACT:
A process for the synthesis of 6-(triphenylmethylamino)-2,2-dimethyl-3-(1-[arylmethyl]tetrazol-5-yl)penam s, intermediates useful in the preparation of antibiotic penams, which comprises contacting in a reaction-inert solvent a 6-(triphenylmethylamino)-2,2-dimethyl-3-(alkyl- or arylsulfonyloxy[N-(arylmethyl)imino]methyl)penam with one to three equivalents of hydrazoic acid or with an ammonium, sodium or lithium azide at a reaction temperature of 20.degree.-60.degree. C., in the presence of more than one equivalent of pyridine.

REFERENCES:
patent: 3138609 (1964-06-01), Carpenter
patent: 3839339 (1974-10-01), Ellis et al.
Elderfield, (ed.), Heterocyclic Compounds, Vol. 8, 1967, N.Y.C., Wiley, pp. 21 and 32.

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