Penicillin V → 1-(3,3-Dimethyl-7-oxo-6([phenoxy acetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptan-2-oyloxy)-3-(z,z,z-octadeca-6,9,12-trienoyloxy)propane

HRID 28302

Reaction equation

HRID 28302 reaction equation
[CH3:1][C:2]1([CH3:24])[S:6][C@@H:5]2[C@H:7]([NH:10][C:11]([CH2:13][O:14][C:15]3[CH:16]=[CH:17][CH:18]=[CH:19][CH:20]=3)=[O:12])[C:8](=[O:9])[N:4]2[C@H:3]1[C:21]([OH:23])=[O:22].[C:25]([O:44][CH2:45][CH2:46][CH2:47]O)(=[O:43])[CH2:26][CH2:27][CH2:28][CH2:29]/[CH:30]=[CH:31]\[CH2:32]/[CH:33]=[CH:34]\[CH2:35]/[CH:36]=[CH:37]\[CH2:38][CH2:39][CH2:40][CH2:41][CH3:42].C1(N=C=NC2CCCCC2)CCCCC1>CN(C1C=CN=CC=1)C.ClCCl.CCCCCC>[CH3:1][C:2]1([CH3:24])[S:6][CH:5]2[N:4]([C:8](=[O:9])[CH:7]2[NH:10][C:11](=[O:12])[CH2:13][O:14][C:15]2[CH:16]=[CH:17][CH:18]=[CH:19][CH:20]=2)[CH:3]1[C:21]([O:23][CH2:47][CH2:46][CH2:45][O:44][C:25](=[O:43])[CH2:26][CH2:27][CH2:28][CH2:29]/[CH:30]=[CH:31]\[CH2:32]/[CH:33]=[CH:34]\[CH2:35]/[CH:36]=[CH:37]\[CH2:38][CH2:39][CH2:40][CH2:41][CH3:42])=[O:22]

Participants

7

Reactant 3

HCID 6869Penicillin VHCID 10868DicyclohexylcarbodiimideHCID 103371121-(z,z,z-Octadeca-6,9,12-trienoyloxy)-3-hydroxypropane

Product 1

HCID 867589501-(3,3-Dimethyl-7-oxo-6([phenoxy acetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptan-2-oyloxy)-3-(z,z,z-octadeca-6,9,12-trienoyloxy)propane

Reagents, catalysts & solvents 3

HCID 142844-(Dimethylamino)pyridineCatalystHCID 6344DichloromethaneSolventHCID 8058HexaneSolvent

Procedure

A mixture of penicillin V (1 g, 2.9 mmol), 1-(z,z,z-octadeca-6,9,12-trienoyloxy)-3-hydroxypropane (860 mg, 2.6 mmol), 1,3-dicyclohexylcarbodiimide (620 mg, 3 mmol) and 4-(N,N-dimethylamino)pyridine (catalytic amount) in dichloromethane (30 ml) was stirred overnight at room temperature. The reaction mixture was diluted with hexane (50 ml), filtered and concentrated to dryness. The residue was washed with hexane (3×50 ml) to remove unreacted 1-(z,z,z-octadeca-6,9,12-trienoyloxy)-3-hydroxypropane. The semisolid residue was disolved in diethyl ether (150 ml), washed with water (100 ml) and dried. The ether solution was diluted with hexane (125 ml) and the solution filtered through a bed of silica (4 cm×4 cm). The filtrate was concentrated, yielding 1-(3,3-dimethyl-7-oxo-6([phenoxyacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptan-2-oyloxy)-3-(z,z,z-octadeca-6,9,12-trienoyloxy)propane as a viscous colourless oil.

Workup

  1. filtrationfiltered
  2. concentrationconcentrated to dryness
  3. washThe residue was washed with hexane (3×50 ml)
  4. customto remove unreacted 1-(z,z,z-octadeca-6,9,12-trienoyloxy)-3-hydroxypropane
  5. washwashed with water (100 ml)
  6. customdried
  7. additionThe ether solution was diluted with hexane (125 ml)
  8. filtrationthe solution filtered through a bed of silica (4 cm×4 cm)
  9. concentrationThe filtrate was concentrated

Sources & evidence

ORD record
ord-bbc36ccbaa8240af95e1fbea003c5245
Source dataset
uspto-grants-2008_09
Patent number
USRE040480E1

Linked notes

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