Triethylamine → ethyl 4-((1R,3S)-3-(tert-butoxycarbonylamino)-2,2,3-trimethylcyclopentylamino)-3-carbamoylpyrrolo[1,2-b]pyridazine-6-carboxylate

Reaction equation

[NH2:1][C@@:2]1([CH3:27])[CH2:6][CH2:5][C@@H:4]([NH:7][C:8]2[C:9]3[N:10]([CH:17]=[C:18]([C:20]([O:22][CH2:23][CH3:24])=[O:21])[CH:19]=3)[N:11]=[CH:12][C:13]=2[C:14](=[O:16])[NH2:15])[C:3]1([CH3:26])[CH3:25].CCN(CC)CC.[O:35](C(OC(C)(C)C)=O)[C:36]([O:38][C:39]([CH3:42])([CH3:41])[CH3:40])=O>C1COCC1>[C:39]([O:38][C:36]([NH:1][C@@:2]1([CH3:27])[CH2:6][CH2:5][C@@H:4]([NH:7][C:8]2[C:9]3[N:10]([CH:17]=[C:18]([C:20]([O:22][CH2:23][CH3:24])=[O:21])[CH:19]=3)[N:11]=[CH:12][C:13]=2[C:14](=[O:16])[NH2:15])[C:3]1([CH3:26])[CH3:25])=[O:35])([CH3:42])([CH3:41])[CH3:40]