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Pyridine → N-Boc-6-Bromomethyl-1,2,3,4-Tetrahydroisoquinoline

HRID 1046483
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인쇄 미리보기

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HRID 1046483 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:17][CH2:16][C:15]2[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=2)[CH:9]1CO)=[O:7])([CH3:4])([CH3:3])[CH3:2].N1C=CC=C[CH:21]=1.[Br-:26].[Br-].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>C(Cl)Cl>[C:1]([O:5][C:6]([N:8]1[CH2:17][CH2:16][C:15]2[C:10](=[CH:11][CH:12]=[C:13]([CH2:21][Br:26])[CH:14]=2)[CH2:9]1)=[O:7])([CH3:2])([CH3:3])[CH3:4]
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참가 물질

5

반응물 3

HCID 1049PyridineHCID 12890784Triphenylphosphane dibromideHCID 51358559tert-Butyl 1-(hydroxymethyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate

생성물 1

HCID 67156216N-Boc-6-Bromomethyl-1,2,3,4-Tetrahydroisoquinoline수율 88.7%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

A solution of intermediate 24-95 (2.0 g, 7.6 mmol) and pyridine (1.2 mL, 11 mmol) in DCM (100 mL) is treated in one portion with triphenylphosphine dibromide (4.8 g, 11 mmol) at 0° C. The mixture is allowed to stir for 30 min, then concentrated in vacuo. The resulting crude material is purified by column chromatography on silica gel (using a gradient of 5-60% EtOAc/heptane) to afford the title compound (2.2 g).

후처리

  1. concentrationconcentrated in vacuo
  2. customThe resulting crude material is purified by column chromatography on silica gel (

출처 및 근거

ORD 기록
ord-4cfa2276610941a3b8e7a83a4cd4fd10
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08569339B2

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