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Propargyl alcohol → ethyl 2-(8-(benzo[d]thiazol-2-yl((2-(trimethylsilyl)ethoxy)methyl)carbamoyl)-3,4-dihydroisoquinolin-2(1H)-yl)-5-(3-hydroxyprop-1-ynyl)thiazole-4-carboxylate

HRID 1518296
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인쇄 미리보기

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HRID 1518296 반응식
[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[N:10]([CH2:34][O:35][CH2:36][CH2:37][Si:38]([CH3:41])([CH3:40])[CH3:39])[C:11]([C:13]1[CH:14]=[CH:15][CH:16]=[C:17]2[C:22]=1[CH2:21][N:20]([C:23]1[S:24][C:25](Br)=[C:26]([C:28]([O:30][CH2:31][CH3:32])=[O:29])[N:27]=1)[CH2:19][CH2:18]2)=[O:12].[CH2:42]([OH:45])[C:43]#[CH:44].CCN(CC)CC>CN(C=O)C.C(Cl)Cl.[Cu]I.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[N:10]([CH2:34][O:35][CH2:36][CH2:37][Si:38]([CH3:41])([CH3:40])[CH3:39])[C:11]([C:13]1[CH:14]=[CH:15][CH:16]=[C:17]2[C:22]=1[CH2:21][N:20]([C:23]1[S:24][C:25]([C:44]#[C:43][CH2:42][OH:45])=[C:26]([C:28]([O:30][CH2:31][CH3:32])=[O:29])[N:27]=1)[CH2:19][CH2:18]2)=[O:12]
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참가 물질

8

반응물 3

HCID 7859Propargyl alcoholHCID 8471TriethylamineHCID 59447650ethyl 2-(8-(benzo[d]thiazol-2-yl((2-(trimethylsilyl)ethoxy)methyl)carbamoyl)-3,4-dihydroisoquinolin-2(1H)-yl)-5-bromothiazole-4-carboxylate

생성물 1

HCID 59447560ethyl 2-(8-(benzo[d]thiazol-2-yl((2-(trimethylsilyl)ethoxy)methyl)carbamoyl)-3,4-dihydroisoquinolin-2(1H)-yl)-5-(3-hydroxyprop-1-ynyl)thiazole-4-carboxylate수율 51.9%

시약·촉매·용매 4

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)촉매HCID 178418476HCID 178418476, 화합물촉매HCID 6228Dimethylformamide용매HCID 6344Dichloromethane용매

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온도
90 °C

실험 절차

A mixture of compound 34C (0.38 g, 0.564 mmol), prop-2-yn-1-ol (0.047 g, 0.846 mmol), CuI (0.011 g, 0.056 mmol), Et3N (1.57 mL, 11 mmol) and Pd(PPh3)2Cl2 (0.02 g, 0.028 mmol) in DMF (2 mL) was heated at 90° C. for 2 hours. After cooling, the reaction mixture was diluted with CH2Cl2. The solid was filtered off. The filtrate was concentrated. The residue was purified by flash column chromatography on silica gel eluting with 3:2/hexanes:EtOAc to provide 0.19 g of the desired product 36B as a mixture of two inseparable isomers: MS (ESI(+)): m/z 649 (M+H).

후처리

  1. temperatureAfter cooling
  2. filtrationThe solid was filtered off
  3. concentrationThe filtrate was concentrated
  4. customThe residue was purified by flash column chromatography on silica gel eluting with 3:2/hexanes

출처 및 근거

ORD 기록
ord-847912b4c52e4d0f9d234e9238858a7e
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08232273B2

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