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Triethylamine → 3-[2-((3-(Benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxamido)methyl)-5-fluorophenyl]prop-2-ynyl methanesulfonate

HRID 1726643
ノート
印刷プレビュー

反応式

HRID 1726643 の反応式
[F:1][C:2]1[CH:32]=[CH:31][C:5]([CH2:6][NH:7][C:8]([C:10]2[N:11]=[C:12]3[N:17]([C:18](=[O:28])[C:19]=2[O:20][CH2:21][C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)[CH2:16][CH2:15][O:14][C:13]3([CH3:30])[CH3:29])=[O:9])=[C:4]([C:33]#[C:34][CH2:35][OH:36])[CH:3]=1.C(N(CC)CC)C.[CH3:44][S:45](Cl)(=[O:47])=[O:46]>ClCCl.C(OCC)(=O)C>[CH3:44][S:45]([O:36][CH2:35][C:34]#[C:33][C:4]1[CH:3]=[C:2]([F:1])[CH:32]=[CH:31][C:5]=1[CH2:6][NH:7][C:8]([C:10]1[N:11]=[C:12]2[N:17]([C:18](=[O:28])[C:19]=1[O:20][CH2:21][C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)[CH2:16][CH2:15][O:14][C:13]2([CH3:30])[CH3:29])=[O:9])(=[O:47])=[O:46]
参加物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 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 21070008N-(4-Fluoro-2-(3-hydroxyprop-1-ynyl)benzyl)-3-(benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxamide

生成物 1

HCID 210698463-[2-((3-(Benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxamido)methyl)-5-fluorophenyl]prop-2-ynyl methanesulfonate収率 75.5%

試薬・触媒・溶媒 2

HCID 6344Dichloromethane溶媒HCID 8857Ethyl Acetate溶媒

実験手順

A solution of intermediate 182, N-(4-fluoro-2-(3-hydroxyprop-1-ynyl)benzyl)-3-(benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxamide (0.280 g, 0.57 mmol) and triethylamine (0.12 ml, 0.86 mmol) in dichloromethane (5 ml) was cooled to 0° C., treated drop wise with methanesulfonyl chloride (0.050 ml, 0.64 mmol) and then stirred for 30 min. The reaction mixture was then diluted with ethyl acetate, washed with saturated sodium bicarbonate, brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. Chromatography of the residue on silica gel (elution gradient of ethyl acetate in hexane) gave 0.245 g (75% yield) of the title material as a white solid. 1HNMR 400 MHz (CDCl3) δ ppm: 1.65 (6H, s, 2×CH3), 3.10 (3H, s, SCH3), 4.05 (4H, m, 2×CH2), 4.67 (2H, d, J=6.1 Hz, NCH2), 5.03 (2H, s, CH2), 5.29 (2H, s, OCH2), 7.07 (1H, m, aromatic), 7.18 (1H, dd, J=2.5 Hz and J=9.1 Hz, aromatic), 7.32-7.36 (3H, m, aromatics), 7.38 (1H, dd, J=5.5 Hz and J=8.6 Hz, aromatic), 7.49-7.51 (2H, m, aromatics), 7.77 (1H, broad t, NH). MS (ESI+) m/e 570 [M+H+].

後処理

  1. washwashed with saturated sodium bicarbonate, brine
  2. dry with materialdried over anhydrous magnesium sulfate
  3. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-b34c01acb28b47b5807bc621dd3b1bf2
出典データセット
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07491819B1

反応ノート

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