104804-99-1

Upstream product

• 619-58-9 4-iodobenzoic acid 
• 114964-68-0 2,4,6-tri-isopropylbenzeneselenol 
• 104804-98-0 potassium 2,4,6-triisopropylbenzeneselenolate 
• 158556-23-1 ethyl 4-(2',4',6'-triisopropylphenylselanyl)benzoate 
• 94-09-7 p-aminoethylbenzoate 
• 2028-79-7 4-(ethoxycarbonyl)benzenediazonium chloride 
• 1778-11-6 (4-Ethoxycarbonyl)phenylselenocyanate 

Downstream Products

• 104805-00-7 4-<(-)-menthyloxycarbonyl>phenyl 2,4,6-tri-isopropylphenyl selenide 
• 158556-22-0 4-(2',4',6'-triisopropylphenylselanyl)benzoyl chloride 
• 104805-01-8 (-)_Se-4-<(-)-menthyloxycarbonyl>phenyl 2,4,6-tri-isopropylphenyl selenoxide 
• 104805-02-9 (+)_Se-4-<(-)-menthyloxycarbonyl>phenyl 2,4,6-tri-isopropylphenyl selenoxide 
• 104805-03-0 (-)-4-(methoxycarbonyl)phenyl 2,4,6-tri-isopropylphenyl selenoxide 
• 158647-76-8 4-<(-)-menthyloxycarbonyl>phenyl 2,4,6-tri-isopropylphenyl selenoxide 
• 104805-03-0 C₂₃H₃₀O₃Se 

Relevant academic research and scientific papers

Synthesis and Stereochemistry of Optically Active Selenonium Imides

Diastereomeric mixtures of 4-phenyl(methyl)selenonium-N-toluene-4'-sulfonimides (dia.-1) amd 4-phenyl(2',4',6'-triisopropylphenyl)selenonium-N-toluene-4''-sulfonimides (dia.-7) were synthesized.Optical resolution by the fractional recrystallization of dia.-7 from methanol gave the optically pure (-)-selenonium imide as stable crystals.The absolute configuration around the selenium atom was determined to be S based on the CD spectra.The kinetics for the epimerization by pyramidal inversion of the optically active selenonium imide were studied.

Synthesis and Absolute Configuration of Optically Active Selenoxides. X-Ray Molecular Structure of (-)Se-4-Menthyloxycarbonylphenyl 2,4,6-Tri-isopropylphenyl Selenoxide

Enantiomerically pure, stable 4-(methoxycarbonyl)phenyl 2,4,6-tri-isopropylphenyl selenoxide (-)-3 was isolated by fractional recrystallization of diastereomeric 4-phenyl 2,4,6-tri-isopropylphenyl selenoxide dia.-(1) followed by removal of the chiral source.The absolute configuration around the selenium atom was determined by X-ray crystallographic analysis of diastereomerically pure selenoxide (-)Se-(1).

SYNTHESIS OF OPTICALLY ACTIVE SELENOXIDE

Fractional recrystallization of diastereomeric 2,4,6-triisopropylphenyl 4'-(l-menthyloxycarbonyl)phenyl selenoxide gave optically pure (-)-selenoxide.Transesterification of this diastereomerically pure (-)-selenoxide with methanol gave enantiomeric (-)-2,4,6-triisopropylphenyl 4'-(methoxycarbonyl)-phenyl selenoxide in 88.1percent optical purity.