Cyclopropylamine → Ethyl 4'-(2-cyclopropylaminoethoxy)-3'-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphth-2-yl)biphenyl-4-carboxylate

HRID 253506Notes

Reaction equation

HRID 253506 reaction equation
Br[CH2:2][CH2:3][O:4][C:5]1[CH:10]=[CH:9][C:8]([C:11]2[CH:16]=[CH:15][C:14]([C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:13][CH:12]=2)=[CH:7][C:6]=1[C:22]1[CH:31]=[CH:30][C:29]2[C:28]([CH3:33])([CH3:32])[CH2:27][CH2:26][C:25]([CH3:35])([CH3:34])[C:24]=2[CH:23]=1.[CH:36]1([NH2:39])[CH2:38][CH2:37]1>C(O)C>[CH:36]1([NH:39][CH2:2][CH2:3][O:4][C:5]2[CH:10]=[CH:9][C:8]([C:11]3[CH:16]=[CH:15][C:14]([C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:13][CH:12]=3)=[CH:7][C:6]=2[C:22]2[CH:31]=[CH:30][C:29]3[C:28]([CH3:33])([CH3:32])[CH2:27][CH2:26][C:25]([CH3:35])([CH3:34])[C:24]=3[CH:23]=2)[CH2:38][CH2:37]1

Participants

4

Reactant 2

HCID 69828CyclopropylamineHCID 66856300Ethyl 4'-(2-bromoethoxy)-3'-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphth-2-yl)biphenyl-4-carboxylate

Product 1

HCID 11156509Ethyl 4'-(2-cyclopropylaminoethoxy)-3'-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphth-2-yl)biphenyl-4-carboxylateYield 61.2%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

In a manner similar to that of Example 1c, by reaction of 600 mg (1.15 mmol) of ethyl 4′-(2-bromoethoxy)-3′-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphth-2-yl)biphenyl-4-carboxylate with 800 μl (11.5 mmol) of cyclopropylamine in 100 ml of ethanol. 360 mg of ethyl 4′-(2-cyclopropylaminoethoxy)-3′-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphth-2-yl)biphenyl-4-carboxylate are obtained in the form of a white solid (m.p.=141° C., yield=63%).

Sources & evidence

ORD record
ord-fb6f96c527a74693957b3975ecb37b89
Source dataset
uspto-grants-2011_01
Patent number
US07872026B2

Reaction notes

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