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4-Methylmorpholine → Methyl 3(6-Hexanamido-2,3-dihydrobenz-1,4-oxazin-4-ylmethyl)benzoate

HRID 275155
Notes
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Reaction equation

HRID 275155 reaction equation
[C:1](Cl)(=[O:7])[CH2:2][CH2:3][CH2:4][CH2:5][CH3:6].[NH2:9][C:10]1[CH:11]=[CH:12][C:13]2[O:18][CH2:17][CH2:16][N:15]([CH2:19][C:20]3[CH:21]=[C:22]([CH:27]=[CH:28][CH:29]=3)[C:23]([O:25][CH3:26])=[O:24])[C:14]=2[CH:30]=1.CN1CCOCC1>ClCCl>[C:1]([NH:9][C:10]1[CH:11]=[CH:12][C:13]2[O:18][CH2:17][CH2:16][N:15]([CH2:19][C:20]3[CH:21]=[C:22]([CH:27]=[CH:28][CH:29]=3)[C:23]([O:25][CH3:26])=[O:24])[C:14]=2[CH:30]=1)(=[O:7])[CH2:2][CH2:3][CH2:4][CH2:5][CH3:6]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 79724-MethylmorpholineHCID 67340Hexanoyl chlorideHCID 54048005Methyl 3-(6-amino-2,3-dihydrobenz-1,4-oxazin-4-ylmethyl)benzoate

Product 1

HCID 23365863Methyl 3(6-Hexanamido-2,3-dihydrobenz-1,4-oxazin-4-ylmethyl)benzoate

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

Hexanoyl chloride (0.135 g.) was added dropwise to a stirred solution of methyl 3-(6-amino-2,3-dihydrobenz-1,4-oxazin-4-ylmethyl)benzoate (X) (0.3 g.), and N-methylmorpholine (0.101 g.) in dichloromethane (30 ml.). After 0.5 hours, the mixture was diluted with dichloromethane, washed with water, dried (MgSO4) and evaporated to give an oil which was filtered through a short column of silica gel using 35:65 v/v ethyl acetate:hexane to give the title compound as a syrup; partial NMR (80 MHz, CDCl3): 0.8-1.9[complex m,9H, CH3 (CH2)3 ]; 2.2(m,2H, CH2CONH); 3.3(m,2H, N.CH2.CH2.O); 3.9(s,3H, OMe); 4.2(m,2H, N.CH2.CH2O); 4.5(s,2H, N.CH2Ar).

Workup

  1. washwashed with water
  2. dry with materialdried (MgSO4)
  3. customevaporated
  4. customto give an oil which
  5. filtrationwas filtered through a short column of silica gel using 35:65 v/v ethyl acetate

Sources & evidence

ORD record
ord-940e3e8fb104414d86d66104cb41bc3a
Source dataset
uspto-grants-1995_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05391758

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes