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Triethylamine → n-{4-Fluoro-2-(methylcarbamoyl)benzyl}-3-benzyloxy-9-methyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxamide

HRID 348171
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HRID 348171 반응식
[CH2:1]([O:8][C:9]1[C:18](=[O:19])[N:17]2[C:12]([CH:13]([CH3:20])[O:14][CH2:15][CH2:16]2)=[N:11][C:10]=1[C:21]([OH:23])=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.FC(F)(F)C(O)=O.[NH2:31][CH2:32][C:33]1[CH:42]=[CH:41][C:40]([F:43])=[CH:39][C:34]=1[C:35]([NH:37][CH3:38])=[O:36].C(N(CC)CC)C.F[P-](F)(F)(F)(F)F.N1(O[P+](N2CCCC2)(N2CCCC2)N2CCCC2)C2C=CC=CC=2N=N1>ClCCl.C(OCC)(=O)C>[F:43][C:40]1[CH:41]=[CH:42][C:33]([CH2:32][NH:31][C:21]([C:10]2[N:11]=[C:12]3[N:17]([C:18](=[O:19])[C:9]=2[O:8][CH2:1][C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)[CH2:16][CH2:15][O:14][CH:13]3[CH3:20])=[O:23])=[C:34]([C:35](=[O:36])[NH:37][CH3:38])[CH:39]=1
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참가 물질

7

반응물 4

HCID 8471TriethylamineHCID 2724699PyBOPHCID 210698142-(Aminomethyl)-5-fluoro-n-methylbenzamide trifluoroacetate saltHCID 210698603-Benzyloxy-9-methyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxylic acid

생성물 1

HCID 21070023n-{4-Fluoro-2-(methylcarbamoyl)benzyl}-3-benzyloxy-9-methyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxamide
수율 100.2%

시약·촉매·용매 2

HCID 6344Dichloromethane용매HCID 8857Ethyl Acetate용매

실험 절차

A mixture of intermediate 27, 3-benzyloxy-9-methyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxylic acid (0.172 g, 0.54 mmol) and intermediate 39, 2-(aminomethyl)-5-fluoro-N-methylbenzamide trifluoroacetate salt (0.177 g, 0.60 mmol) in dichloromethane (10 ml) was treated at 22° C. with triethylamine (0.17 ml, 1.22 mmol) followed by benzotriazole-1-yloxy-tris-pyrrolidino-phosphonium hexafluorophosphate (PyBOP) (0.340 g, 0.65 mmol). After 3 h, the reaction mixture was diluted with ethyl acetate, washed with saturated sodium bicarbonate and brine then dried over anhydrous magnesium sulfate. Evaporation of the solvent followed by chromatography of the residue on silica gel (elution gradient ethyl acetate 50–100% in toluene) gave 0.260 g (100% yield) of the title amide as a white solid. 1HNMR 400 MHz (CDCl3) 5 (Ppm): 1.70 (3H, d, J=6.6 Hz, CH3), 3.01 (3H, d, J=4.7 Hz, NCH3), 3.89 (2H, m, CH2), 4.14 (1H, m, CH), 4.29 (1H, m, CH), 4.53 (2H, d, J=6.7 Hz, NCH2), 4.69 (1H, q, J=6.6 Hz, OCH), 5.35 (2H, s, OCH2), 6.69 (1H, broad q, NH), 7.09 (1H, m, aromatic), 7.16 (1H, m, aromatic), 7.32 (3H, m, aromatics), 7.42 (1H, m, aromatic), 7.47 (2H, m, aromatics), 8.61 (1H, broad t, NH). HRMS (ESI+) calculated for C25H26FN4O5 [M+H+]: 481.1887: found: 481.1884.

후처리

  1. washwashed with saturated sodium bicarbonate and brine
  2. dry with materialthen dried over anhydrous magnesium sulfate
  3. customEvaporation of the solvent

출처 및 근거

ORD 기록
ord-95f5ef9537414c54bbb2c2d2d834f65b
출처 데이터셋
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07176196B2

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