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Triphenylphosphine → 1-t-Butoxycarbonyl-2-(2-{2-[2-(3-methoxyphenyl)ethyl]phenoxy}ethyl)piperidine

HRID 743262
ノート
印刷プレビュー

反応式

HRID 743262 の反応式
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH2:9][CH2:10][C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=2[OH:17])[CH:6]=[CH:7][CH:8]=1.[C:18]([O:22][C:23]([N:25]1[CH2:30][CH2:29][CH2:28][CH2:27][CH:26]1[CH2:31][CH2:32]O)=[O:24])([CH3:21])([CH3:20])[CH3:19].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCC)=O)=NC(OCC)=O>C(Cl)Cl>[C:18]([O:22][C:23]([N:25]1[CH2:30][CH2:29][CH2:28][CH2:27][CH:26]1[CH2:31][CH2:32][O:17][C:12]1[CH:13]=[CH:14][CH:15]=[CH:16][C:11]=1[CH2:10][CH2:9][C:5]1[CH:6]=[CH:7][CH:8]=[C:3]([O:2][CH3:1])[CH:4]=1)=[O:24])([CH3:21])([CH3:20])[CH3:19]
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 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 5103438Tert-butyl 2-(2-hydroxyethyl)piperidine-1-carboxylateHCID 105854482-(2-(3-Methoxyphenyl)ethyl)phenol

生成物 1

HCID 105750741-t-Butoxycarbonyl-2-(2-{2-[2-(3-methoxyphenyl)ethyl]phenoxy}ethyl)piperidine収率 32.7%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

Following a procedure similar to that described in Example 36(a), 1.00 g of 2-[2-(3-methoxyphenyl)ethyl]phenol (prepared as described in Preparation 20), 1.51 g of 1-t-butoxycarbonyl-2-(2-hydroxyethyl)piperidine, 1.72 g of triphenylphosphine and 1.14 g of diethyl azodicarboxylate were reacted in 20 ml of methylene chloride. The mixture was then worked up as described in Example 36(a), and the crude product thus obtained was purified by column chromatography through silica gel, using a 4:1 by volume mixture of hexane and ethyl acetate as the eluent, to give 0.630 g (yield 32%) of the title compound as a colorless oil.

後処理

  1. customthe crude product thus obtained
  2. customwas purified by column chromatography through silica gel
  3. additionby volume mixture of hexane and ethyl acetate as the eluent

出典と根拠

ORDレコード
ord-d71e7bf7d8e0464899e935b888d3d5c1
出典データセット
uspto-grants-1996_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05556864

反応ノート

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