1-Bromo-2-(3-methoxyphenyl)ethane → HCID 66932513, compound

HRID 2046749Notes

Reaction equation

HRID 2046749 reaction equation
[CH3:1][O:2][C:3](=[O:29])/[CH:4]=[CH:5]/[C:6]1[CH:7]=[C:8]2[C:25](=[CH:26][CH:27]=1)[O:24][C:11]1([CH2:16][CH2:15][N:14](C(OC(C)(C)C)=O)[CH2:13][CH2:12]1)[CH2:10][C:9]2=[O:28].Br[CH2:31][CH2:32][C:33]1[CH:38]=[CH:37][CH:36]=[C:35]([O:39][CH3:40])[CH:34]=1>>[CH3:1][O:2][C:3](=[O:29])/[CH:4]=[CH:5]/[C:6]1[CH:7]=[C:8]2[C:25](=[CH:26][CH:27]=1)[O:24][C:11]1([CH2:12][CH2:13][N:14]([CH2:31][CH2:32][C:33]3[CH:38]=[CH:37][CH:36]=[C:35]([O:39][CH3:40])[CH:34]=3)[CH2:15][CH2:16]1)[CH2:10][C:9]2=[O:28]

Participants

3

Reactant 2

HCID 1374501-Bromo-2-(3-methoxyphenyl)ethaneHCID 52952087(E)-3-{1'-tert-butoxycarbonyl-4-oxo-spiro[chromane-2,4'-piperidine]-6-yl}-acrylic acid methyl ester2×

Product 1

HCID 66932513HCID 66932513, compoundYield 83.1%

Procedure

(E)-3-{4-Oxo-spiro[chromane-2,4′-piperidine]-6-yl}-acrylic acid methyl ester (169 mg, 0.500 mmol, Intermediate 1, hydrochloride salt) was alkylated using 1-(2-bromo-ethyl)-3-methoxy-benzene (0.16 ml, 1.5 mmol) as described in Example 56, Step A, giving (E)-3-{1′-[2-(3-methoxy-phenyl)-ethyl]-4-oxo-spiro[chromane-2,4′-piperidine]-6-yl}-acrylic acid methyl ester (181 mg) as a white solid.

Sources & evidence

ORD record
ord-b7f7cca563fb41eca055e4c80027aa23
Source dataset
uspto-grants-2013_11
Patent number
US08592444B2

Reaction notes

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