2-(Benzenesulfonyl)-3-phenyloxaziridine → 8-cyclopentyl-6-ethoxymethyl-2-methanesulfinyl-8H-pyrido[2,3-d]pyrimidin-7-one

HRID 586535

Reaction equation

HRID 586535 reaction equation
[CH:1]1([N:6]2[C:11]3[N:12]=[C:13]([S:16][CH3:17])[N:14]=[CH:15][C:10]=3[CH:9]=[C:8]([CH2:18][O:19][CH2:20][CH3:21])[C:7]2=[O:22])[CH2:5][CH2:4][CH2:3][CH2:2]1.C1(S(N2C(C3C=CC=CC=3)O2)(=O)=[O:30])C=CC=CC=1>ClCCl>[CH:1]1([N:6]2[C:11]3[N:12]=[C:13]([S:16]([CH3:17])=[O:30])[N:14]=[CH:15][C:10]=3[CH:9]=[C:8]([CH2:18][O:19][CH2:20][CH3:21])[C:7]2=[O:22])[CH2:2][CH2:3][CH2:4][CH2:5]1

Participants

4

Reactant 2

HCID 3204052-(Benzenesulfonyl)-3-phenyloxaziridineHCID 113016288-cyclopentyl-6-ethoxymethyl-2-methylsulfanyl-8H-pyrido[2,3-d]pyrimidin-7-one

Product 1

HCID 117720128-cyclopentyl-6-ethoxymethyl-2-methanesulfinyl-8H-pyrido[2,3-d]pyrimidin-7-one

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

8-Cyclopentyl-6-ethoxymethyl-2-methylsulfanyl-8H-pyrido[2,3-d]pyrimidin-7-one (4.60 g, 14.40 mmol) and 2-benzenesulfonyl-3-phenyl-oxaziridine (4.89 g, 18.72 mmol) were dissolved in dichloromethane (30 mL) and stirred at ambient temperature for 12 hours. The crude product was then purified by silica gel chromatography to give 8-cyclopentyl-6-ethoxymethyl-2-methanesulfinyl-8H-pyrido[2,3-d]pyrimidin-7-one as a white waxy solid (2.67 g, 55.3%). 1H NMR δ (400 MHz, CDCl3) 8.94 (s, 1H), 7.81 (t, J=1.7 Hz, 1H), 5.98 (m, 1H), 4.50 (d, J=1.7 Hz, 1H), 3.68 (q, J=7.1 Hz, 2H), 2.96 (s, 3H), 2.22 (m, 2H), 2.12 (m, 2H), 1.94 (m, 2H), 1.69 (m, 2H), 1.31 (t, J=7.1 Hz, 3H).

Workup

  1. customThe crude product was then purified by silica gel chromatography

Sources & evidence

ORD record
ord-34dc656ddb2b4d259da836c318a7b909
Source dataset
uspto-grants-2005_08
Patent number
US06936612B2

Linked notes

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