104703-76-6

Upstream product

• 108-31-6 maleic anhydride 
• 98678-35-4 cis-1-acethoxy-3-phenyl-1,3-dihydrobenzothiophene 2,2-dioxide 

Downstream Products

• 98678-43-4 (1R,2R,3R,4R)-1-Acetoxy-4-phenyl-1,2,3,4-tetrahydro-naphthalene-2,3-dicarboxylic acid dimethyl ester 
• 98678-45-6 trans 2,3-bis(methoxycarbonyl)-1-phenyl-1,2-dihydronaphthalene 
• 65756-85-6 cis-2,3-bis(methoxycarbonyl)-1-phenyl-1,2-dihydronaphthalene 

Relevant academic research and scientific papers

E,E- and E,Z-α-phenyl-α'-acetoxyorthoquinodimethane: steric and electronic control of cycloaddition reactions

E,E- and E,Z-α-phenyl-α'-acetoxyorthoquinodimethanes have been prepared from the corresponding cis- and trans-1-acetoxy-3-phenyl-1,3-dihydrobenzothiophene-2,2-dioxides.The regio- and diastereoselectivity of the addition reactions with dimethyl fumarate, dimethyl maleate, maleic anhydride, and methyl crotonate have been determined.Ab initio calculations have been carried out on orthoquinodimethane and its α-phenyl and α-oxy derivatives.A correlation has been made between the steric and electronic properties of the orthoquinodimethanes and the regio- and diastereoselectivity of their Diels-Alder reactions.