6-(chloromethyl)-4-(3-methoxypropyl)-2H-benzo[b][1,4]oxazin-3(4H)-one → benzyl 4-(4-allyloxyphenyl)-3-[4-(3-methoxypropyl)-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]piperidine-1-carboxylate

HRID 1712493Notes

Reaction equation

HRID 1712493 reaction equation
[CH2:1]([O:4][C:5]1[CH:10]=[CH:9][C:8]([CH:11]2[CH2:16][CH2:15][N:14]([C:17]([O:19][CH2:20][C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=3)=[O:18])[CH2:13][CH:12]2[OH:27])=[CH:7][CH:6]=1)[CH:2]=[CH2:3].Cl[CH2:29][C:30]1[CH:31]=[CH:32][C:33]2[O:38][CH2:37][C:36](=[O:39])[N:35]([CH2:40][CH2:41][CH2:42][O:43][CH3:44])[C:34]=2[CH:45]=1>>[CH2:1]([O:4][C:5]1[CH:10]=[CH:9][C:8]([CH:11]2[CH2:16][CH2:15][N:14]([C:17]([O:19][CH2:20][C:21]3[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=3)=[O:18])[CH2:13][CH:12]2[O:27][CH2:29][C:30]2[CH:31]=[CH:32][C:33]3[O:38][CH2:37][C:36](=[O:39])[N:35]([CH2:40][CH2:41][CH2:42][O:43][CH3:44])[C:34]=3[CH:45]=2)=[CH:7][CH:6]=1)[CH:2]=[CH2:3]

Participants

3

Reactant 2

HCID 468352236-(chloromethyl)-4-(3-methoxypropyl)-2H-benzo[b][1,4]oxazin-3(4H)-oneHCID 68501269Benzyl 4-(4-allyloxyphenyl)-3-hydroxypiperidine-1-carboxylate

Product 1

HCID 68505876benzyl 4-(4-allyloxyphenyl)-3-[4-(3-methoxypropyl)-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]piperidine-1-carboxylate

Procedure

Analogously to Method D, 20.0 g of benzyl 4-(4-allyloxyphenyl)-3-hydroxypiperidine-1-carboxylate and 15.6 g of 6-chloromethyl-4-(3-methoxypropyl)-4H-benzo[1,4]oxazin-3-one (Example 2a) are reacted. The title compound is obtained as a yellowish oil. Rf=0.20 (1:1 EtOAc-heptane); Rt=5.43.

Sources & evidence

ORD record
ord-89411f9b58bc40be96c50d5ca0f84e36
Source dataset
uspto-grants-2010_09
Patent number
US07790715B2

Reaction notes

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