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Water → 4-(2-Bromo-5-(trifluoromethyl)phenyl)-1-methyl-1,2,3,6-tetrahydropyridine

HRID 1473359
ノート
印刷プレビュー

反応式

HRID 1473359 の反応式
[CH3:1][N:2]1[CH2:7][CH:6]=[C:5](B2OC(C)(C)C(C)(C)O2)[CH2:4][CH2:3]1.[Br:17][C:18]1[CH:23]=[CH:22][C:21]([C:24]([F:27])([F:26])[F:25])=[CH:20][C:19]=1I.P([O-])([O-])([O-])=O.[K+].[K+].[K+].O>O1CCOCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[Br:17][C:18]1[CH:19]=[CH:20][C:21]([C:24]([F:25])([F:26])[F:27])=[CH:22][C:23]=1[C:5]1[CH2:4][CH2:3][N:2]([CH3:1])[CH2:7][CH:6]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 962WaterHCID 62657Potassium Phosphate, TribasicHCID 207733711-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridineHCID 467352311-Bromo-2-iodo-4-(trifluoromethyl)benzene

生成物 1

HCID 866874064-(2-Bromo-5-(trifluoromethyl)phenyl)-1-methyl-1,2,3,6-tetrahydropyridine

試薬・触媒・溶媒 2

HCID 178418397
HCID 178418397、化合物
触媒
HCID 312751,4-Dioxane溶媒

実験手順

A solution of Pd(Ph3P)4 (0.986 g, 0.854 mmol), 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine (2.000 g, 8.96 mmol), 1-bromo-2-iodo-4-(trifluoromethyl)benzene (1.377 ml, 8.54 mmol), and potassium phosphate (5.44 g, 25.6 mmol) in 20 mL dioxane 10 mL water was heated to 90° C. for one hour. LC/MS showed mostly product, so the reaction mixture was poured into water and extracted with DCM. The organics were dried over MgSO4 and concentrated. Purification of the crude residue by silica gel column chromatography (0 to 97% EtOAc/heptane, 3% MeOH) gave 4-(2-bromo-5-(trifluoromethyl)phenyl)-1-methyl-1,2,3,6-tetrahydropyridine. m/z (ESI) 320.1 (M+H)+.

後処理

  1. extractionextracted with DCM
  2. dry with materialThe organics were dried over MgSO4
  3. concentrationconcentrated
  4. customPurification of the crude residue by silica gel column chromatography (0 to 97% EtOAc/heptane, 3% MeOH)

出典と根拠

ORDレコード
ord-9e06395c0e204c46a100b709b1bfd790
出典データセット
uspto-grants-2015_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09012443B2

反応ノート

読み込み中…

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