6-(chloromethyl)-4-(3-methoxypropyl)-2H-benzo[b][1,4]oxazin-3(4H)-one → tert-Butyl 4-{4-[3-(3-fluorophenoxy)propoxy]phenyl}-3-[4-(3-methoxypropyl)-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]piperidine-1-carboxylate

HRID 1176433Notes

Reaction equation

HRID 1176433 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([CH:30]=[CH:31][CH:32]=1)[O:5][CH2:6][CH2:7][CH2:8][O:9][C:10]1[CH:15]=[CH:14][C:13]([CH:16]2[CH2:21][CH2:20][N:19]([C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])[CH2:18][CH:17]2[OH:29])=[CH:12][CH:11]=1.Cl[CH2:34][C:35]1[CH:36]=[CH:37][C:38]2[O:43][CH2:42][C:41](=[O:44])[N:40]([CH2:45][CH2:46][CH2:47][O:48][CH3:49])[C:39]=2[CH:50]=1>>[F:1][C:2]1[CH:3]=[C:4]([CH:30]=[CH:31][CH:32]=1)[O:5][CH2:6][CH2:7][CH2:8][O:9][C:10]1[CH:11]=[CH:12][C:13]([CH:16]2[CH2:21][CH2:20][N:19]([C:22]([O:24][C:25]([CH3:27])([CH3:28])[CH3:26])=[O:23])[CH2:18][CH:17]2[O:29][CH2:34][C:35]2[CH:36]=[CH:37][C:38]3[O:43][CH2:42][C:41](=[O:44])[N:40]([CH2:45][CH2:46][CH2:47][O:48][CH3:49])[C:39]=3[CH:50]=2)=[CH:14][CH:15]=1

Participants

3

Reactant 2

HCID 468352236-(chloromethyl)-4-(3-methoxypropyl)-2H-benzo[b][1,4]oxazin-3(4H)-oneHCID 68499821HCID 68499821, compound

Product 1

HCID 68635776tert-Butyl 4-{4-[3-(3-fluorophenoxy)propoxy]phenyl}-3-[4-(3-methoxypropyl)-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]piperidine-1-carboxylate

Procedure

Analogously to Method D, 1.1 g of tert-butyl 4-{4-[3-(3-fluorophenoxy)propoxy]phenyl}-3-hydroxypiperidine-1-carboxylate and 0.687 g of 6-chloromethyl-4-(3-methoxypropyl)-4H-benzo[1,4]oxazin-3-one (Example 2a) are reacted. The title compound is obtained as an opaque oil. Rf=0.42 (1:1 EtOAc-heptane); Rt=5.97.

Sources & evidence

ORD record
ord-40566d6d781345349c1572aedbd8ed10
Source dataset
uspto-grants-2010_11
Patent number
US07842688B2

Reaction notes

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