199529-67-4

Upstream product

• 119999-22-3 2-bromo-3-methyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene 
• 95-46-5 2-methylphenyl bromide 
• 6223-78-5 2,5-dichloro-2,5-dimethyl hexane 
• 179538-88-6 2-(3,5,5,8,8-pentamethyl-5,6,7,8,-tetrahydro-2-naphthalenyl)-1-cyclohexene-1-carboxylic acid ethyl ester 

Downstream Products

• 199529-71-0 2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic acid methyl ester 
• 199529-70-9 6-{2-[(E)-2-(2-Bromo-cyclopent-1-enyl)-vinyl]-cyclohex-1-enyl}-1,1,4,4,7-pentamethyl-1,2,3,4-tetrahydro-naphthalene 

Relevant academic research and scientific papers

A novel synthesis of 9,13-dicis double bonds locked retinoids

Synthesis of two retinoids in which the 9,13-dicis double bonds were locked in cycloalkene or thiophene was described. The key step was carbonylation of vinyl bromide 9 and 16 with carbon monoxide in the presence ofPd(PPh3)4.