Synthesis of 3-iodomethyl cephalosporins

Details Synthesis of 3-iodomethyl cephalosporins Synthesis of 3-iodomethyl cephalosporins

1985-04-08

1987-10-27

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540215, 540225, 540219, C07D50138, A61K 3154

Patent

active

047031182

ABSTRACT:
The present invention provides a process for preparing a 3-iodomethyl cephalosporin by treating a bis(trialkylsilyl)-7-amino-4-carboxylic acid-3-substituted cephalosporin derivative with a trialkylsilyl iodide derivative.

REFERENCES:
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patent: 4266049 (1981-05-01), Bonjouklian
patent: 4336253 (1982-06-01), Lunn et al.
patent: 4369313 (1983-01-01), Jones et al.
patent: 4379787 (1983-04-01), Lunn et al.
patent: 4382931 (1983-05-01), Lunn et al.
patent: 4382932 (1983-05-01), Lunn et al.
patent: 4388316 (1983-06-01), Lunn et al.
patent: 4396620 (1983-08-01), Lunn et al.
patent: 4406898 (1983-09-01), Lunn et al.
Bonjouklian et al. "Reactions of TMSI with Cephalosporin Esters", Tetrahedron Letters, vol. 22, No. 40, 3915-3918, (1981).

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