HCID 154041575, compound → HCID 13577867, compound

Participants

Reaction Steps

Diphenylmethyl (Z)-2-(4-nitrobenzyloxycarbonyl)methoxyimino-2-(2-tritylaminothiazol-4-yl)acetate (2.5 g) was treated with formic acid under the conditions described in Example 23d, increasing the reaction time to 26 h. The title compound was obtained as a white solid (1.13 g); νmax (Nujol) 3520, 1745, 1605, and 1510 cm-1 ; δH ((CD3)2SO) inter alia 4.85 (2H, s), 5.37 (2H, s), 6.86 (1H, s), 7.23 (2H, br. s), 7.57 and 8.23 (4H, ABq, J 8 Hz).

Provenance & Evidence