76681-53-3

Upstream product

• 76681-56-6 2-((E)-3-Bromo-but-1-enyl)-1,3-dimethyl-4-oxo-cyclohex-2-enecarboxylic acid ethyl ester 
• 76681-54-4 2-hydroxy-4-(2,6-dimethyl-6-ethoxycarbonyl-3-oxo-1-cyclohexenyl)-3-butene 
• 95730-69-1 2.4-dimethyl-3-formyl-4-ethoxycarbonylcyclohex-2-enone 
• 76681-60-2 (2E,4E)-1,1-Diethoxy-6-methoxy-4-methyl-hexa-2,4-diene 
• 76681-68-0 2E-1-methoxy-6,6-diethoxy-3-methyl-2-hexen-4-yne 
• 76681-69-1 (E)-5-methoxy-3-methyl-3-penten-1-yne 
• 67192-50-1 2-oxo-4-(2,6-dimethyl-6-ethoxycarbonyl-3-oxo-1-cyclohexenyl)-3-butene 
• 58105-12-7 2,4-dimethyl-3-diethoxymethyl-4-ethoxycarbonyl-2-cyclohexenone 
• 76681-71-5 2E,4E-6-methoxy-4-methyl-2,4-hexadienal 
• 76681-55-5 4-(2,6-dimethyl-6-ethoxycarbonyl-3-oxo-1-cyclohexenyl)-3-butene-2-triphenylphosphonium bromide 
• 76681-61-3 2E,4E-6-methoxy-4-methyl-2,4-hexadienyltriphenylphosphonium bromide 

Relevant academic research and scientific papers

SYNTHETIC INVESTIGATIONS IN THE CHEMISTRY OF POLYENE COMPOUNDS. XLV. SYNTHESIS OF ANALOGS OF VITAMIN A STRUCTURALLY SIMILAR TO ITS METABOLITES

The synthesis of the C2O retinoids 15-methoxy- and 15-acetoxy-9,13-dimethyl-7-(1,5-dimethyl-1-ethoxycarbonyl-4-oxo-5-cyclohexen-6-yl)-7,9,11,13-nonatetraenes was realized under the conditions for carbonyl olefination by the Wittig method from 2-oxo-4-(2,6