1,3-Propanediol → 3-[3-(2-Cyanophenylsulfonyloxy)-5-methylphenoxy]propanol

HRID 1977940

反応式

HRID 1977940 の反応式
[C:1]([C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[S:9]([O:12][C:13]1[CH:14]=[C:15]([OH:20])[CH:16]=[C:17]([CH3:19])[CH:18]=1)(=[O:11])=[O:10])#[N:2].C(P(CCCC)CCCC)CCC.[CH2:34](O)[CH2:35][CH2:36][OH:37].N(C(N1CCCCC1)=O)=NC(N1CCCCC1)=O>O1CCCC1.CCCCCC>[C:1]([C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[S:9]([O:12][C:13]1[CH:14]=[C:15]([CH:16]=[C:17]([CH3:19])[CH:18]=1)[O:20][CH2:34][CH2:35][CH2:36][OH:37])(=[O:11])=[O:10])#[N:2]

参加物

7

反応物 4

HCID 104421,3-PropanediolHCID 13831TributylphosphineHCID 730421,1'-(Azodicarbonyl)dipiperidineHCID 227226433-(2-Cyanophenylsulfonyloxy)-5-methylphenol

生成物 1

HCID 186697063-[3-(2-Cyanophenylsulfonyloxy)-5-methylphenoxy]propanol収率 80.6%

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran溶媒HCID 8058Hexane溶媒

実験手順

To a solution of 3-(2-cyanophenylsulfonyloxy)-5-methylphenol (580 mg, 2.0 mmol), as prepared in preceding step, tri-n-butylphosphine (607 mg, 3.0 mmol), and 1,3-propanediol (760 mg, 10 mmol) in tetrahydrofuran (20 mL) was added 1,1′-(azodicarbonyl)dipiperidine (757 mg, 3.0 mmol). The mixture was stirred at room temperature overnight. Hexane (30 mL) was added to the mixture, and the precipitates were removed by filtration. The filtrate was evaporated in vacuo, and the residue was purified by flash column chromatography (10% ethyl acetate in dichloromethane) to give the title compound as a colorless oil (560 mg, 80%). 1H-NMR (300 MHz, CDCl3) δ8.11 (m, 1H), 7.94 (m, 1H), 7.77-7.82 (m, 2H), 6.65 (s, 1H, 6.59 (s, 1H), 6.57 (s, 1H), 4.05 (t, J=6.0 Hz, 2H), 3.82 (t, J=6.0 Hz, 2H), 2.26 (s, 3H), 2.00 (m, 2H), 1.76 (br s, 1H).

後処理

  1. customthe precipitates were removed by filtration
  2. customThe filtrate was evaporated in vacuo
  3. customthe residue was purified by flash column chromatography (10% ethyl acetate in dichloromethane)

出典と根拠

ORDレコード
ord-5e6a359c43a54bfaa58b4c4f2a74187c
出典データセット
uspto-grants-2001_05
特許番号
US06235778B1

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