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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 1372315
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HRID 1372315 반응식
[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]
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반응물 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

생성물 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 methanesulfonate수율 75.5%

시약·촉매·용매 2

HCID 6344Dichloromethane용매HCID 8857Ethyl Acetate용매

실험 절차

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+].

후처리

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

출처 및 근거

ORD 기록
ord-c5306581b08648e6b4d3c50b45328a4d
출처 데이터셋
uspto-grants-2007_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07157447B2

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