1239269-99-8

Basic information

• Product Name: diethyl 2-(4-amino-5-methyl-4H-1,2,4-triazol-3-yl-sulfanyl)-3-(triphenyl-λ(5)-phosphanylidene)-succinate
• CAS NO: 1239269-99-8
• Molecular Weight: 562.629
• Mol File: 1239269-99-8.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: diethyl 2-(4-amino-5-methyl-4H-1,2,4-triazol-3-yl-sulfanyl)-3-(triphenyl-λ(5)-phosphanylidene)-succinate(CAS DataBase Reference)
• NIST Chemistry Reference: diethyl 2-(4-amino-5-methyl-4H-1,2,4-triazol-3-yl-sulfanyl)-3-(triphenyl-λ(5)-phosphanylidene)-succinate(1239269-99-8)
• EPA Substance Registry System: diethyl 2-(4-amino-5-methyl-4H-1,2,4-triazol-3-yl-sulfanyl)-3-(triphenyl-λ(5)-phosphanylidene)-succinate(1239269-99-8)

Safety Data

• Hazardous Substances Data: 1239269-99-8(Hazardous Substances Data)

Upstream product

• 20939-15-5 4-amino-5-methyl-2,4-dihydro-[1,2,4]triazole-3-thione 
• 603-35-0 triphenylphosphine 
• 762-21-0 acetylenedicarboxylic acid diethyl ester 

Relevant articles and documents

Three-component reaction between triphenylphosphine, dialkyl acetylenedicarboxylate and 4-amino-5-alkyl-2,4-dihydro-1,2,4-triazole-3-thiones: An efficient one-pot synthesis of stable phosphorus ylides

Protonation of the reactive 1:1 intermediate produced in the reaction between dialkyl acetylenedicarboxylates and triphenylphosphine by 4-amino-5-alkyl-2,4-dihydro-1,2,4-triazole-3-thione leads to vinylphosphonium salts which undergo Michael addition with