(1S,4S)-2-Boc-2,5-diazabicyclo[2.2.1]heptane → 5-{(1R)-2-[(1S,4S)-2,5-Diazabicyclo[2.2.1]hept-2-yl]-1-hydroxyethyl}-4-methyl-2-benzofuran-1 (3H)-one
反応式
[CH3:1][C:2]1[C:10]2[CH2:9][O:8][C:7](=[O:11])[C:6]=2[CH:5]=[CH:4][C:3]=1[C@@H:12]1[CH2:14][O:13]1.[C@H:15]12[CH2:21][C@H:18]([NH:19][CH2:20]1)[CH2:17][N:16]2C(OC(C)(C)C)=O>>[C@H:15]12[CH2:21][C@H:18]([NH:19][CH2:20]1)[CH2:17][N:16]2[CH2:14][C@@H:12]([C:3]1[CH:4]=[CH:5][C:6]2[C:7](=[O:11])[O:8][CH2:9][C:10]=2[C:2]=1[CH3:1])[OH:13]参加物
3
実験手順
5-{(1R)-2-[(1S,4S)-2,5-Diazabicyclo[2.2.1]hept-2-yl]-1-hydroxyethyl}-4-methyl-2-benzofuran-1 (3H)-one was prepared in an analogous fashion as described for the synthesis of INTERMEDIATE 3 starting from 4-methyl-5-[(2R)-oxiran-2-yl]-2-benzofuran-1 (3H)-one (INTERMEDIATE 2) and commercially available tert-butyl (1S,4S)-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate.
出典と根拠
- ORDレコード
- ord-06a0b4ce05e34a9caa09914320cc9ec8