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1-Butanol → 1-(N-benzyloxycarbonyl-3,4,5-trimethoxyanilinomethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline hydrochloride

HRID 27147
ノート
印刷プレビュー

反応式

HRID 27147 の反応式
C(O[CH:4](OCC)[CH2:5][N:6]([C:19]([O:21][CH2:22][C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1)=[O:20])[C:7]1[CH:12]=[C:11]([O:13][CH3:14])[C:10]([O:15][CH3:16])=[C:9]([O:17][CH3:18])[CH:8]=1)C.[ClH:32].[OH:33][C:34]1[CH:35]=[C:36]([CH:40]=[CH:41][C:42]=1[OH:43])[CH2:37][CH2:38][NH2:39].C(O)CCC>O>[ClH:32].[CH2:22]([O:21][C:19]([N:6]([CH2:5][CH:4]1[C:40]2[C:36](=[CH:35][C:34]([OH:33])=[C:42]([OH:43])[CH:41]=2)[CH2:37][CH2:38][NH:39]1)[C:7]1[CH:8]=[C:9]([O:17][CH3:18])[C:10]([O:15][CH3:16])=[C:11]([O:13][CH3:14])[CH:12]=1)=[O:20])[C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 2631-ButanolHCID 65340Dopamine HydrochlorideHCID 20460529N-benzyloxycarbonyl-3,4,5-trimethoxyanilinoacetaldehyde diethyl acetal

生成物 1

HCID 204605511-(N-benzyloxycarbonyl-3,4,5-trimethoxyanilinomethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline hydrochloride収率 70.1%

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

N-benzyloxycarbonyl-3,4,5-trimethoxyanilinoacetaldehyde diethyl acetal (21 g) and 3,4-dihydroxyphenethylamine hydrochloride (8.3 g) were added to a mixture of n-butyl alcohol (210 ml) and water (30 ml) and then the mixture was refluxed for 11 hours in a stream of nitrogen. In the course of the reaction, amounts of the above-mentioned acetal (2.1 g, 2.1 g and 4.2 g) were added to the mixture after 5 hours, 6 hours and 7 hours, respectively, from the beginning of the reaction, respectively. The reaction mixture was concentrated to dryness under reduced pressure and the residue was washed with ether and acetone to give 1-(N-benzyloxycarbonyl-3,4,5-trimethoxyanilinomethyl)-6,7-dihydroxy,1,2,3,4-tetrahydroisoquinoline hydrochloride (16.3 g). The product was recrystallized from a mixed solvent of ethanol and ether to give a pure product, mp 197° to 199° C. (dec).

後処理

  1. temperaturethe mixture was refluxed for 11 hours in a stream of nitrogen
  2. additionwere added to the mixture after 5 hours, 6 hours and 7 hours
  3. customrespectively, from the beginning of the reaction
  4. concentrationThe reaction mixture was concentrated to dryness under reduced pressure
  5. washthe residue was washed with ether and acetone

出典と根拠

ORDレコード
ord-a43635fea12b4c809e92f1044b1ffa83
出典データセット
uspto-grants-1980_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04220647

反応ノート

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