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Cesium carbonate → HCID 10228548、化合物

HRID 489118
ノート
印刷プレビュー

反応式

HRID 489118 の反応式
[CH3:1][O:2][C:3](=[O:32])[CH2:4][O:5][C:6]1[CH:14]=[C:13]2[CH2:15][CH2:16][CH2:17][C:12]2=[C:11]2[C:7]=1[C:8]([C:27](=[O:31])[C:28]([NH2:30])=[O:29])=[C:9]([CH3:26])[N:10]2[CH2:18][C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=1Br.[C:33]1(B(O)O)[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>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>[CH3:1][O:2][C:3](=[O:32])[CH2:4][O:5][C:6]1[CH:14]=[C:13]2[CH2:15][CH2:16][CH2:17][C:12]2=[C:11]2[C:7]=1[C:8]([C:27](=[O:31])[C:28]([NH2:30])=[O:29])=[C:9]([CH3:26])[N:10]2[CH2:18][C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=1[C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=1
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

6

反応物 3

HCID 10796Cesium carbonateHCID 66827Phenylboronic AcidHCID 101177372-[[3-(2-Amino-1,2-dioxoethyl)-2-methyl-1-(2-bromobenzyl)-1,6,7,8-tetrahydrocyclopent[g]indol-4-yl]oxy]acetic acid methyl ester

生成物 1

HCID 10228548HCID 10228548、化合物収率 31%

試薬・触媒・溶媒 2

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

反応条件

温度
100 °C

実験手順

A mixture of 2-[[3-(2-amino-1,2-dioxoethyl)-2-methyl-1-(2-bromobenzyl)-1,6,7,8-tetrahydrocyclopent[g]indol-4-yl]oxy]acetic acid methyl ester (200 mg, 0.400 mmol), phenylboronic acid (49 mg, 0.40 mmol), cesium carbonate (260 mg, 0.800 mmol), and tetrakis(triphenylphosphine)palladium(0) (14 mg, 0.0012 mmol) in dioxane (20 mL) was sparged with nitrogen for 5 min then heated at 100° C. for 6 h. The mixture was allowed to cool to room temperature and filtered through a pad of silica gel that was subsequently washed with acetone. The filtrate was concentrated in vacuo. Reverse-phase chromatography (C18, water/acetonitrile) of the residue provided 61 mg (31%) of the title compound. 1H NMR (CDCl3) δ 7.49 (t, J=7.0 Hz, 2H), 7.42 (t, J=7.3 Hz, 1H), 7.37 (d, J=7.0 Hz, 2H), 7.29 (m, 2H), 7.17 (m, 1H), 6.56 (bs, 1H), 6.48 (d, J=8.0 Hz, 1H), 6.44 (s, 1H), 5.42 (bs, 1H), 5.26 (s, 2H), 4.68 (s, 2H), 3.76 (s, 3H), 2.86 (t, J=7.3 Hz, 4H), 2.34 (s, 3H), 2.01 (quintet, J=7.0 Hz, 2H); MS FD+ m/e 496 (p); IR (KBr, cm−1) 3461, 1757, 1699, 1642.

後処理

  1. customwas sparged with nitrogen for 5 min
  2. temperatureto cool to room temperature
  3. filtrationfiltered through a pad of silica gel that
  4. washwas subsequently washed with acetone
  5. concentrationThe filtrate was concentrated in vacuo

出典と根拠

ORDレコード
ord-39febbabbeb14659a04b5a946114cdf6
出典データセット
uspto-grants-2005_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06974831B2

反応ノート

読み込み中…

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