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Sodium Hydroxide → Benzyl 4-{4-[2-(cyclohexylmethylamino)ethoxy]phenyl}-3-[4-(3-methoxypropyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]piperidine-1-carboxylate

HRID 1712521
ノート
印刷プレビュー

反応式

HRID 1712521 の反応式
[NH2:1][CH2:2][CH2:3][O:4][C:5]1[CH:10]=[CH:9][C:8]([CH:11]2[CH2:16][CH2:15][N:14]([C:17]([O:19][CH2:20][C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=3)=[O:18])[CH2:13][CH:12]2[O:27][CH2:28][C:29]2[CH:30]=[CH:31][C:32]3[O:37][CH2:36][CH2:35][N:34]([CH2:38][CH2:39][CH2:40][O:41][CH3:42])[C:33]=3[CH:43]=2)=[CH:7][CH:6]=1.[CH:44]1([CH:50]=O)[CH2:49][CH2:48][CH2:47][CH2:46][CH2:45]1.[BH4-].[Na+].[OH-].[Na+]>CO>[CH:44]1([CH2:50][NH:1][CH2:2][CH2:3][O:4][C:5]2[CH:6]=[CH:7][C:8]([CH:11]3[CH2:16][CH2:15][N:14]([C:17]([O:19][CH2:20][C:21]4[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=4)=[O:18])[CH2:13][CH:12]3[O:27][CH2:28][C:29]3[CH:30]=[CH:31][C:32]4[O:37][CH2:36][CH2:35][N:34]([CH2:38][CH2:39][CH2:40][O:41][CH3:42])[C:33]=4[CH:43]=3)=[CH:9][CH:10]=2)[CH2:49][CH2:48][CH2:47][CH2:46][CH2:45]1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 14798Sodium HydroxideHCID 16275CyclohexanecarboxaldehydeHCID 4311764Sodium borohydrideHCID 68501706benzyl 4-[4-(2-aminoethoxy)phenyl]-3-[4-(3-methoxypropyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]piperidine-1-carboxylate

生成物 1

HCID 68500847Benzyl 4-{4-[2-(cyclohexylmethylamino)ethoxy]phenyl}-3-[4-(3-methoxypropyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]piperidine-1-carboxylate

試薬・触媒・溶媒 1

HCID 887Methanol溶媒

実験手順

A solution of 0.346 g of benzyl 4-[4-(2-aminoethoxy)phenyl]-3-[4-(3-methoxypropyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]piperidine-1-carboxylate (Example 184b) and 0.068 ml of cyclohexanecarbaldehyde in 2 ml of methanol is stirred at room temperature over 3.5 hours, admixed in portions with 0.037 g of sodium borohydride and subsequently stirred for a further 2 hours. The reaction mixture is admixed with 2 ml of 1N NaOH, stirred for 30 minutes and then partitioned between ethyl acetate and water. The organic phase is washed with brine, dried over sodium sulphate and concentrated by evaporation. The title compound is obtained as a yellow oil from the residue by means of flash chromatography (SiO2 60F). Rf=0.48 (200:20:1 dichloromethane-methanol-25% conc. ammonia); Rt=4.97.

後処理

  1. stirringstirred for 30 minutes
  2. custompartitioned between ethyl acetate and water
  3. washThe organic phase is washed with brine
  4. dry with materialdried over sodium sulphate
  5. concentrationconcentrated by evaporation

出典と根拠

ORDレコード
ord-6a519199ae2040769ac121f4701061a3
出典データセット
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07790715B2

反応ノート

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