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

HRID 272500Notes

Reaction equation

HRID 272500 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][CH2:21][O:22][CH3:23])[C:7]2=[O:24])[CH2:5][CH2:4][CH2:3][CH2:2]1.C1(S(N2C(C3C=CC=CC=3)O2)(=O)=[O:32])C=CC=CC=1>ClCCl>[CH:1]1([N:6]2[C:11]3[N:12]=[C:13]([S:16]([CH3:17])=[O:32])[N:14]=[CH:15][C:10]=3[CH:9]=[C:8]([CH2:18][O:19][CH2:20][CH2:21][O:22][CH3:23])[C:7]2=[O:24])[CH2:2][CH2:3][CH2:4][CH2:5]1

Participants

4

Reactant 2

HCID 3204052-(Benzenesulfonyl)-3-phenyloxaziridineHCID 112333818-cyclopentyl-6-(2-methoxy-ethoxymethyl)-2-methylsulfanyl-8H-pyrido[2,3-d]pyrimidin-7-one

Product 1

HCID 112223128-cyclopentyl-2-methanesulfinyl-6-(2-methoxy-ethoxymethyl)-8H-pyrido[2,3-d]pyrimidin-7-one

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

8-Cyclopentyl-6-(2-methoxy-ethoxymethyl)-2-methylsulfanyl-8H-pyrido[2,3-d]pyrimidin-7-one (1.46 g, 4.18 mmol) and 2-benzenesulfonyl-3-phenyl-oxaziridine (1.31 g, 5.01 mmol) were dissolved in dichloromethane (10 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-6-(2-methoxy-ethoxymethyl)-8H-pyrido[2,3-d]pyrimidin-7-one as a white waxy solid (0.60 g, 39.3%). 1H NMR δ(400 MHz, CDCl3) 8.94 (s, 1H), 7.88 (t, J=1.7 Hz, 1H), 5.95 (m, 1H), 4.52 (d, J=1.7 Hz, 1H), 3.80 (m, 2H), 3.65 (m, 2H), 3.43 (s, 3H), 2.98 (s, 3H), 2.25 (m, 2H), 2.13 (m, 2H), 1.94 (m, 2H), 1.70 (m, 2H).

Workup

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

Sources & evidence

ORD record
ord-cad236c36b5345ed92888882bf8340ea
Source dataset
uspto-grants-2008_11
Patent number
US07456168B2

Reaction notes

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