ChemicalBook > Product Catalog >Organic Chemistry >Nitrogen Compounds >1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride

1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride

1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride Structure
CAS No.
1628047-87-9
Chemical Name:
1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride
Synonyms
abt199 int 1;5-dimethyl-3;1-((4-chloro-5;ABT199 intermediate1;ABT-199 Intermeidate1;Venetoclax Intermediate 2;Venetoclax Impurity 23 DiHCl;Venetoclax Impurity 31(Hydrochloride);Clorobenzil-cicloesenepiperazina 2HCl;1-biphenyl]-2-yl)methyl)piperazine dihydrochloride
CBNumber:
CB12742389
Molecular Formula:
C19H28Cl2N2
Molecular Weight:
355.35
MOL File:
1628047-87-9.mol
MSDS File:
SDS
Modify Date:
2024/4/28 16:56:32

1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride Properties

storage temp. Inert atmosphere,Room Temperature
CAS DataBase Reference 1628047-87-9

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H335-H319-H315
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362

1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride Chemical Properties,Uses,Production

Uses

1-{[2-(4-Chlorophenyl)-4,4-dimethylcyclohex-1-en-1-yl]methyl}piperazine Dihydrochloride is an intermediate used in the preparation of Venetoclax (A112430), which is a potent and selective BCL-2 inhibitor with potent antitumour activity while sparing platelets. Venetoclax is used to treat chronic lymphocytic leukaemic cells and estrogen receptor-positive breast cancer.

Synthesis

To a solution of tert-butyl 4-((2-(4-chlorophenyl)-4,4-dimethylcyclohex-1 -enyl)methyl)piperazine-1 - carboxylate 6 (30 g, 0.072 mol) in MeOH (20 mL) was added conc.HCI (50 mL). The reaction was stirred for 24 hours and then concentrated under reduced pressure. A saturated solution of NazCCh was added to adjust the pH to 8-9, and the mixture was extracted with dichloromethane (2x200 mL). The combined extracts were washed with brine, dried (NazSC ), filtered, and concentrated under reduced pressure. The oil product was treated with MeOH/HCI (g) (3.0 M, 500 mL) and stirred for 1 hour, then concentrated under reduced pressure to get the product 1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride (23 g, 83%).
1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride

1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

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1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride Spectrum

1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride ABT199 intermediate1 abt199 int 1 1-((2-(4-chlorophenyl)-4,4-dimethylcyclohex-1-enyl)methyl)piperazine dihydrochloride 1-((4'-chloro-5,5-demethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl-2yl]methyl)piperazine dihydrochloride 1-{[2-(4-chlorophenyl)-4,4-dimethylcyclohex-1-en-1-yl]methyl}piperazine dihydrochloride Piperazine, 1-[[2-(4-chlorophenyl)-4,4-dimethyl-1-cyclohexen-1-yl]methyl]-, hydrochloride (1:2) 1-((4'-Chloro-5,5-dimethyl-3,4,5,6-tetrah ydro-[1,1'-biphenyl]-2-yl)methy)piperazine dihydrochloride 1-{[2-(4-Chlorophenyl)-4,4-dimethyl-1-cyclohexen-1-yl]methyl}piperazine dihydrochloride 1-[[2-(4-chlorophenyl)-4,4-dimethyl-1-cyclohexen-1-yl] methyl]-Piperazine, hydrochloride (1:2) 1-((4-Chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine 2HCl 1-((4'-Chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydroch 1-((2-(4-chlorophenyl)-4,4-dimethylcyclohex-1-enyl)methyl)piperazine hydrochloride 1-[[2-(4-Chlorophenyl)-4,4-dimethyl-1-cyclohexen-1-yl]methyl]piperazine diHCL ABT-199 Intermeidate1 Piperazine, 1-[[2-(4-chlorophenyl)-4,4-dimethyl-1-cyclohexen-1-yl]methyl]- (Dihydrochloride) Venetoclax Intermediate 2 1-[[2-(4-chlorophenyl)-4,4-dimethyl-cyclohexen-1-yl]methyl]piperazine dihydrochloride 1-((4-chloro-5 1-biphenyl]-2-yl)methyl)piperazine dihydrochloride 5-dimethyl-3 1 - ((4 '- chloro-5,5-dimethyl-3,4,5,6-tetrahydro - [1,1' - diphenyl] - 2-yl) methyl) piperazine dihydrochloride Venetoclax Impurity 31(Hydrochloride) Venetoclax Impurity 23 DiHCl 1-((2-chlorophelyl)-4,4-diemethylcyclohex-1-en-1-yl)methyl)piperazine dihydrochloride 1-[[2-(4-Chlorophenyl)-4,4-dimethyl-1-cyclohexen- yl]methyl]-piperazine,dihydrochlorid 1-((4'-chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride 1-((4'-Chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methy)piperazine dihydrochloride Clorobenzil-cicloesenepiperazina 2HCl 1628047-87-9 C19H27ClN22HCl C19H29Cl3N2 C19H27ClN22ClH