438050-54-5

Basic information

• Product Name: (3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester
• Synonyms: (3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester
• CAS NO: 438050-54-5
• Molecular Weight: 262.736
• Mol File: 438050-54-5.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: (3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: (3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester(438050-54-5)
• EPA Substance Registry System: (3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester(438050-54-5)

Safety Data

• Hazardous Substances Data: 438050-54-5(Hazardous Substances Data)

Usage

Description

(3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester is a chiral chemical compound that is a tert-butyl ester derivative of the amino acid piperazine. It contains a chlorine atom and a carbonyl group, and it has a unique chemical structure and reactivity due to its chiral center.
Used in Pharmaceutical Industry:
(3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester is used as a building block in the synthesis of pharmaceuticals for its unique chemical structure and reactivity.
Used in Agrochemical Industry:
(3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester is used as a building block in the synthesis of agrochemicals for its unique chemical structure and reactivity.
Used in Organic Synthesis:
(3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester is used as a building block in the synthesis of other organic compounds for its unique chemical structure and reactivity.
Used in Laboratory Settings:
(3R)-4-(chlorocarbonyl)-3-methylpiperazine-1-carboxylic acid tert-butyl ester is used as a relatively stable and easy-to-handle compound in laboratory settings due to its tert-butyl ester group.

Upstream product

• 75336-86-6 (2R)-methylpiperazine 

Downstream Products

• 1626387-81-2 4-[(3-chloro-2-fluorophenyl)amino]-7-methoxyquinazolin-6-yl (2R)-2,4-dimethylpiperazine-1-carboxylate hydrochloride 
• 1626387-80-1 (R)-4-((3-chloro-2-fluorophenyl)amino)-7-methoxyquinazolin-6-yl-2,4-dimethylpiperazinyl-1-carboxylic acid ester 

Relevant articles and documents

Preparation method of tyrosine kinase inhibitor AZD3759

The invention provides a preparation method of a tyrosine kinase inhibitor AZD3759, and relates to the field of medicinal chemistry. The preparation method comprises the following steps: by taking 3,4-dihydro-7-methoxy-4-oxoquinazoline-6-alcohol acetate as a raw material, carrying out a chlorination reaction and a hydrolysis reaction to obtain 4-chloro-7-methoxyquinazoline-6-alcohol (a compound 3); taking (R)-(-)-2-methylpiperazine as a raw material, and obtaining (R)-4-chlorocarbonyl-3-tert-butyl formate (compound 6) through a nucleophilic addition-elimination reaction and a chloroformylation reaction; carrying out an esterification reaction on the compound 3 and the compound 6 to obtain a compound 7; carrying out a Boc removal reaction and a methylation reaction on the compound 7 to obtain a compound 9; and carrying out alkylation reaction on the compound 9 and 2-fluoro-3-chloroaniline to obtain AZD3759. The method has the advantages of cheap and accessible raw materials and lower cost; sodium cyanoborohydride is not used in the reaction process, so that the method is more environment-friendly and is beneficial to industrial large-scale production.

Novel method of synthetic process of lung cancer targeted compound AZD-3759

The invention discloses a novel method of a synthetic process of a lung cancer targeted compound AZD-3759. The novel method comprises the following specific steps: carrying out chlorination on 3,4-dihydro-7-methoxyl-4-oxyquinazoline-6-farnesyl acetate to obtain a compound 2; reacting the compound 2, a compound 3 and an organic solvent to obtain a compound 4, and carrying out hydrolysis reaction toobtain a compound 5; reacting a compound 6, dichloromethane and Boc-anhydride to obtain a compound 7; reacting the compound 7 and pyridine with triphosgene by taking dichloromethane as a solvent to obtain a compound 8; and reacting the compound 5, the compound 8, organic alkali and DMF to obtain a compound 9, desorbing Boc from an acidic system, regulating pH to obtain a compound 10, carrying outmethylation, adjusting pH and separating out, and refining to obtain AZD-3759. The novel method of the synthetic process of the lung cancer targeted compound AZD-3759 has the beneficial effects thatthe raw materials for the novel method are easily obtained, the price is low, the yield is high, the cost is low, the method is environmentally friendly, and industrialized enlarged production can berealized.