N-methyl-2-pyrrolidone → 3-(N-tert-butoxycarbonyl-hydrazino)-5-(3,3-dimethyl-but-1-ynyl)-thiophene-2-carboxylic acid methyl ester

Reaction equation

[CH3:1][O:2][C:3](=[O:4])[c:5]1[s:6][c:7]([C:18]#[C:19][C:20]([CH3:21])([CH3:22])[CH3:23])[cH:8][c:9]1[NH:10][C:11](=[O:12])[O:13][C:14]([CH3:15])([CH3:16])[CH3:17].[CH3:37][N:38]1[CH2:39][CH2:40][CH2:41][C:42]1=[O:43].[N+:24]([c:25]1[cH:26][cH:27][c:28]([C:29]([O:30][NH2:31])=[O:32])[cH:33][cH:34]1)([O-:35])=[O:36]>>[CH3:1][O:2][C:3](=[O:4])[c:5]1[s:6][c:7]([C:18]#[C:19][C:20]([CH3:21])([CH3:22])[CH3:23])[cH:8][c:9]1[N:10]([C:11](=[O:12])[O:13][C:14]([CH3:15])([CH3:16])[CH3:17])[NH2:24]