Triethylamine → Benzyl piperidine-1-carboxylate
反応式
O[CH:2]1[CH2:7][CH2:6][NH:5][CH2:4][CH2:3]1.CCN(CC)CC.Cl[C:16]([O:18][CH2:19][C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1)=[O:17].C(Cl)(Cl)Cl.CO>C(Cl)Cl>[C:16]([N:5]1[CH2:6][CH2:7][CH2:2][CH2:3][CH2:4]1)([O:18][CH2:19][C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1)=[O:17]参加物
6
実験手順
4-Hydroxypiperidine (10.8 g, 107 mmol) and Et3N (17 mL, 123 mmol) in 80 mL of CH2Cl2 was cooled in an ice bath whereupon benzyl chloroformate (16.3 mL, 114 mmol) was added. After stirring 1.5 h at R.T. the mixture was subjected to standard work-up conditions to give 13.9 g (55%) of N-Cbz-piperidine after chromatography (CHCl3 /MeOH; 10:1). [1H]-NMR(CDCl3) consistent with structure.
後処理
- additionwas added
出典と根拠
- ORDレコード
- ord-554bd9dd465641989667d60605d8d5a8
- 出典データセット
- uspto-grants-1998_03
- 特許番号
- US05723490
反応ノート
読み込み中…