HCID 86748425, compound → HCID 86748424, compound

Participants

Reaction Steps

80.5 mg of the product of Step A and 1 ml of 66% formic acid were heated for 3 hours at 60°-65° C. and then was evaporated to dryness under reduced pressure. The residue was taken up twice consecutively with 5 ml of water, then evaporated to dryness. The residue was taken up in 7 ml of ether, stirred for half-an-hour, then separated to obtain 41.5 mg of syn isomer of (6S,7S) 7-[2-(2-aminothiazol-4-yl)-2-methoxyimino-acetamido]-3-[3-(2-methyl-1H-imidazol-1-yl)1-(E)-propenyl]-8-oxo-4-thia-1-azabicyclo[4,2,0]oct-2-en-2-carboxylic acid

Provenance & Evidence