Toluene → alpha-(4-Biphenylyl)-alpha,alpha-bis[2-(diisopropylamino)ethyl]acetonitrile

HRID 1855963Notes

Reaction equation

[C:1]1([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[CH:6]=[CH:5][C:4]([CH:7]([CH2:10][CH2:11][N:12]([CH:16]([CH3:18])[CH3:17])[CH:13]([CH3:15])[CH3:14])[C:8]#[N:9])=[CH:3][CH:2]=1.C1(C)C=CC=CC=1.[NH2-].[Na+].Cl[CH2:35][CH2:36][N:37]([CH:41]([CH3:43])[CH3:42])[CH:38]([CH3:40])[CH3:39]>O>[C:1]1([C:19]2[CH:20]=[CH:21][CH:22]=[CH:23][CH:24]=2)[CH:6]=[CH:5][C:4]([C:7]([CH2:35][CH2:36][N:37]([CH:41]([CH3:43])[CH3:42])[CH:38]([CH3:40])[CH3:39])([CH2:10][CH2:11][N:12]([CH:13]([CH3:14])[CH3:15])[CH:16]([CH3:18])[CH3:17])[C:8]#[N:9])=[CH:3][CH:2]=1

Participants

Conditions

Temperature: 100 °C

Procedure

To a solution of 16 parts of α-(4-biphenylyl)-α-[2-(diisopropylamino)ethyl]acetonitrile in 150 parts by volume of toluene is added 2.7 parts of sodium amide and the solution is heated over a period of 15 minutes at about 100° C. Then 13 parts of 2-chloro-N,N-diisopropylethylamine in 40 parts by volume of toluene is added slowly over a period of 20 minutes. This mixture is heated at 100°-105° C. for about 90 minutes and then cooled to room temperature when 150 parts by volume of water is added. The organic layer is separated, dried over calcium sulfate, filtered and the solvent evaporated to afford α-(4-biphenylyl)-α,α-bis[2-(diisopropylamino)ethyl]acetonitrile, as a low melting solid. This compound is identical with the compound of Example 2, Method A.

Workup

temperatureThis mixture is heated at 100°-105° C. for about 90 minutes
additionis added
customThe organic layer is separated
dry with materialdried over calcium sulfate
filtrationfiltered
customthe solvent evaporated

Sources & evidence

ORD record: ord-162dc3e4ad664e448fe0a75dfc4b50d9
Source dataset: uspto-grants-1980_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04217306

Reaction notes

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