4-Propoxypiperidine → (R)-7-Fluoro-4-[2-methyl-3-(4-propoxypiperidin-1-yl)propyl]-4H-benzo[1,4]oxazin-3-one

HRID 2103253Notes

Reaction equation

HRID 2103253 reaction equation
[F:1][C:2]1[CH:17]=[CH:16][C:5]2[N:6]([CH2:11][C@H:12]([CH3:15])[CH2:13]I)[C:7](=[O:10])[CH2:8][O:9][C:4]=2[CH:3]=1.[CH2:18]([O:21][CH:22]1[CH2:27][CH2:26][NH:25][CH2:24][CH2:23]1)[CH2:19][CH3:20]>CCCCCCC.CCOC(C)=O>[F:1][C:2]1[CH:17]=[CH:16][C:5]2[N:6]([CH2:11][C@H:12]([CH3:15])[CH2:13][N:25]3[CH2:26][CH2:27][CH:22]([O:21][CH2:18][CH2:19][CH3:20])[CH2:23][CH2:24]3)[C:7](=[O:10])[CH2:8][O:9][C:4]=2[CH:3]=1

Participants

4

Reactant 2

HCID 114920374-PropoxypiperidineHCID 68915302HCID 68915302, compound

Product 1

HCID 10215658(R)-7-Fluoro-4-[2-methyl-3-(4-propoxypiperidin-1-yl)propyl]-4H-benzo[1,4]oxazin-3-oneYield 72%

Reagents, catalysts & solvents 1

HCID 21899848Ethylacetate heptaneSolvent

Procedure

The compound (S)-7-Fluoro-4-(3-iodo-2-methylpropyl)-4H-benzo[1,4]oxazin-3-one (111MF20) (0.501 g, 1.43 mmol) and 4-propyloxypiperidine (0.205 g, 1.43 mmol) were mixed according to GP16. CC (SiO2; Heptane/EtOAc 4:1-4) gave the title compound (111MF28) (0.375 g, 71%). 1H NMR (CDCl3) δ 7.12-7.08 (m, 1H), 6.74-6.69 (m, 2H), 4.59 (q, J=15.0 Hz, J=31.0 Hz, 2H), 4.01-3.88 (m, 2H), 3.39 (t, J=6.8 Hz, 2H), 3.29-3.22 (m, 1H), 2.77 (t, J=6.3 Hz, 1H), 2.63 (t, J=5.6 Hz, 1H), 2-26-2.12 (m, 3H), 2.04-1.96 (m, 2H), 1.88-1.84 (m, 2H), 1.62-1.50 (m, 4H), 0.93-0.87 (m, 6H); 13C NMR (CDCl3) δ 164.2, 158.9 (d, J=241.9 Hz), 146.5 (d, J=12.1 Hz), 125.2 (d, J=3.0 Hz), 116.1 (d, J=9.6 Hz), 109.0 (d, J=22.3 Hz), 105.2 (d, J=25.8 Hz), 75.2, 69.8, 67.8, 63.5, 52.8, 51.8, 45.5, 31.9, 31.8, 29.4, 23.5, 17.0, 10.8.

Sources & evidence

ORD record
ord-440ba6e813cc4cbdb59d02819ef2686c
Source dataset
uspto-grants-2009_08
Patent number
US07576100B2

Reaction notes

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