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1h-1,2,4-Triazole sodium salt → Tert-butyl (3rs,4rs)-3-naphthalen-2-ylmethoxy-4-[4-(2-[1,2,4]triazol-1-yl-ethoxy)-phenyl]-piperidine-1-carboxylate

HRID 1005043
ノート
印刷プレビュー

反応式

HRID 1005043 の反応式
CS(O[CH2:6][CH2:7][O:8][C:9]1[CH:14]=[CH:13][C:12]([CH:15]2[CH2:20][CH2:19][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:17][CH:16]2[O:28][CH2:29][C:30]2[CH:39]=[CH:38][C:37]3[C:32](=[CH:33][CH:34]=[CH:35][CH:36]=3)[CH:31]=2)=[CH:11][CH:10]=1)(=O)=O.[Na].[NH:41]1[CH:45]=[N:44][CH:43]=[N:42]1>CN(C)C=O>[CH:31]1[C:32]2[C:37](=[CH:36][CH:35]=[CH:34][CH:33]=2)[CH:38]=[CH:39][C:30]=1[CH2:29][O:28][CH:16]1[CH:15]([C:12]2[CH:13]=[CH:14][C:9]([O:8][CH2:7][CH2:6][N:41]3[CH:45]=[N:44][CH:43]=[N:42]3)=[CH:10][CH:11]=2)[CH2:20][CH2:19][N:18]([C:21]([O:23][C:24]([CH3:25])([CH3:26])[CH3:27])=[O:22])[CH2:17]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 454898221h-1,2,4-Triazole sodium saltHCID 86604409tert-butyl (3RS,4RS)-4-[4-(2-methylsulfonyloxy-ethoxy)-phenyl]-3-(naphthalen-2-ylmethoxy)-piperidine-1-carboxylate

生成物 1

HCID 53745200Tert-butyl (3rs,4rs)-3-naphthalen-2-ylmethoxy-4-[4-(2-[1,2,4]triazol-1-yl-ethoxy)-phenyl]-piperidine-1-carboxylate収率 85%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
100 °C

実験手順

A solution of 11 0 mg (0.2 mmol) of crude tert-butyl (3RS,4RS)-4-[4-(2-methylsulphonyloxy-ethoxy)-phenyl]-3-(naphthalen-2-ylmethoxy)-piperidine-1-carboxylate in 5 ml of dimethylformamide was treated with 70 mg (1.0 mmol) of 1,2,4-triazole sodium salt and the reaction mixture was heated to 100° C. for 6 hours. Subsequently, the mixture was cooled to room temperature and the dimethylformamide was distilled off in an oil pump vacuum. The residue was taken up in 10 ml of methylene chloride, washed with 2 ml of water, the organic phase was dried over sodium sulphate and evaporated under reduced pressure. The residue was chromatographed on silica gel using a 95:5:0.1 mixture of methylene chloride, methanol and ammonia as the eluent. There were obtained 90 mg (85% of theory) of tert-butyl (3RS,4RS)-3-naphthalen-2-ylmethoxy-4-[4-(2-[1,2,4]triazol-1-yl-ethoxy)-phenyl]-piperidine-1-carboxylate as a colourless oil; MS: 529 (M+H)+.

後処理

  1. temperatureSubsequently, the mixture was cooled to room temperature
  2. distillationthe dimethylformamide was distilled off in an oil pump vacuum
  3. washwashed with 2 ml of water
  4. dry with materialthe organic phase was dried over sodium sulphate
  5. customevaporated under reduced pressure
  6. customThe residue was chromatographed on silica gel using
  7. additiona 95:5:0.1 mixture of methylene chloride, methanol and ammonia as the eluent

出典と根拠

ORDレコード
ord-d863fb383c8c451088fcf841a538c026
出典データセット
uspto-grants-2000_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06051712

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート