1,3-Propanediol → 3-[5-Methyl-3-(1-naphthalenylsulfonyloxy)phenoxy]propanol

HRID 442956ノート

反応式

HRID 442956 の反応式
[CH3:1][C:2]1[CH:3]=[C:4]([O:9][S:10]([C:13]2[C:22]3[C:17](=[CH:18][CH:19]=[CH:20][CH:21]=3)[CH:16]=[CH:15][CH:14]=2)(=[O:12])=[O:11])[CH:5]=[C:6]([OH:8])[CH:7]=1.C(P(CCCC)CCCC)CCC.[CH2:36](O)[CH2:37][CH2:38][OH:39].N(C(N1CCCCC1)=O)=NC(N1CCCCC1)=O>O1CCCC1.CCCCCC>[CH3:1][C:2]1[CH:3]=[C:4]([O:9][S:10]([C:13]2[C:22]3[C:17](=[CH:18][CH:19]=[CH:20][CH:21]=3)[CH:16]=[CH:15][CH:14]=2)(=[O:12])=[O:11])[CH:5]=[C:6]([CH:7]=1)[O:8][CH2:36][CH2:37][CH2:38][OH:39]

参加物

7

反応物 4

HCID 104421,3-PropanediolHCID 13831TributylphosphineHCID 730421,1'-(Azodicarbonyl)dipiperidineHCID 539777205-Methyl-3-(1-naphthalenylsulfonyloxy)phenol

生成物 1

HCID 542805743-[5-Methyl-3-(1-naphthalenylsulfonyloxy)phenoxy]propanol収率 87.3%

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran溶媒HCID 8058Hexane溶媒

実験手順

To a solution of 5-methyl-3-(1-naphthalenylsulfonyloxy)phenol (620 g, 2.0 mmol), as prepared in the preceding step, tri-n-butylphosphine (607 mg, 3.0 mmol) and 1,3-propanediol (760 mg, 10 mmol) in anhydrous tetrahydrofuran (20 mL) was added 1,1'-(azodicarbonyl)dipiperidine (757 mg, 3.0 mmol). The mixture was stirred at ambient temperature overnight. Hexane (50 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 (1:1 hexane/ethyl acetate) to give the title compound as a yellow oil (650 mg, 87%). 1H-NMR (300 MHz, CDCl3) δ 8.80 (d, J=8.6 Hz, 1H), 8.14 (d, J=7.3 Hz, 2H), 7.98 (d, J=8.2 Hz, 1H), 7.78 (t, J=8.5 Hz, 1H), 7.67 (t, J=8.1 Hz, 1H), 7.49 (t, J=8.1 Hz, 1H), 6.54 (s, 1H), 6.33 (s, 1H), 6.22 (s, 1H), 3.84 (t, J=6.0 Hz, 2H), 3.75 (t, J=6.0 Hz, 2H), 2.15 (s, 3H), 1.90 (m, 2H), 1.59 (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 (1:1 hexane/ethyl acetate)

出典と根拠

ORDレコード
ord-2e818bced2cc414881109500370f5c8d
出典データセット
uspto-grants-1999_04
特許番号
US05891909

反応ノート

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