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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
ノート
印刷プレビュー

反応式

HRID 1518296 の反応式
[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]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

8

反応物 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

生成物 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-carboxylate収率 51.9%

試薬・触媒・溶媒 4

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)触媒HCID 178418476HCID 178418476、化合物触媒HCID 6228Dimethylformamide溶媒HCID 6344Dichloromethane溶媒

反応条件

温度
90 °C

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-847912b4c52e4d0f9d234e9238858a7e
出典データセット
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08232273B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート