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2-(Benzenesulfonyl)-3-phenyloxaziridine → (8-Cyclopentyl-2-methanesulfinyl-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-6-ylmethyl)-carbamic acid benzyl ester

HRID 1272021
Notes
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Reaction equation

HRID 1272021 reaction equation
[CH2:1]([O:8][C:9](=[O:30])[NH:10][CH2:11][C:12]1[C:23](=[O:24])[N:22]([CH:25]2[CH2:29][CH2:28][CH2:27][CH2:26]2)[C:15]2[N:16]=[C:17]([S:20][CH3:21])[N:18]=[CH:19][C:14]=2[CH:13]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C1(S(N2C(C3C=CC=CC=3)O2)(=O)=[O:38])C=CC=CC=1>ClCCl>[CH2:1]([O:8][C:9](=[O:30])[NH:10][CH2:11][C:12]1[C:23](=[O:24])[N:22]([CH:25]2[CH2:26][CH2:27][CH2:28][CH2:29]2)[C:15]2[N:16]=[C:17]([S:20]([CH3:21])=[O:38])[N:18]=[CH:19][C:14]=2[CH:13]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 3204052-(Benzenesulfonyl)-3-phenyloxaziridineHCID 69208844(8-Cyclopentyl-2-methylsulfanyl-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-6-ylmethyl)-carbamic acid benzyl ester

Product 1

HCID 69206663(8-Cyclopentyl-2-methanesulfinyl-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-6-ylmethyl)-carbamic acid benzyl esterYield 56.6%

Reagents, catalysts & solvents 1

HCID 6344Dichloromethane
Solvent

Procedure

(8-Cyclopentyl-2-methylsulfanyl-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-6-ylmethyl)-carbamic acid benzyl ester (1.67 g, 3.93 mmol) and 2-benzenesulfonyl-3-phenyl-oxaziridine (1.34 g, 5.11 mmol) were dissolved in dichloromethane (20 mL) and stirred at ambient temperature for 12 hours. The reaction mixture was then purified by silica gel chromatography to give (8-cyclopentyl-2-methanesulfinyl-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-6-ylmethyl)-carbamic acid benzyl ester as a white solid (0.98 g, 56.6%). 1H NMR δ (400 MHz, CDCl3) 8.89 (s, 1H), 7.68 (s, 1H), 7.32 (m, 5H), 5.96 (m, 1H), 5.52 (t, J=6.4 Hz, 1H), 5.09 (s, 2H), 4.32 (d, J=6.3 Hz, 2H), 2.95 (s, 3H), 2.22 (m, 2H), 2.12 (m, 2H), 1.95 (m, 2H), 1.69 (m, 2H).

Workup

  1. customThe reaction mixture was then purified by silica gel chromatography

Sources & evidence

ORD record
ord-538bd85ba8a3431fba4fa7a623bc97c1
Source dataset
uspto-grants-2007_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07208489B2

Reaction notes

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