(Z)-2-(Trityloxyimino)-2-[2-(tritylamino)thiazol-4-yl]acetic Acid → O-benzhydryl (6R)-3-(oxan-4-yl)-8-oxo-7-[[(2Z)-2-[2-(tritylamino)-1,3-thiazol-4-yl]-2-trityloxyiminoacetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbothioate

Participants

Reaction Steps

Diphenylmethyl 7-amino-3-(tetrahydropyran-4-yl)thio-3-cephem-4-carboxylate hydrochloride (290 mg) was reacted with (Z)-2-(2-tritylaminothiazol-4-yl)-2-trityloxyiminoacetic acid (403 mg), followed by purifying the reaction product in accordance with the procedure of Example 1(d), affording the titled compound (500 mg; 88%).

Provenance & Evidence