80322-28-7

Upstream product

• 80322-24-3 1-tert-butoxy-2-<2-(1-cyano-4-methoxybenzocyclobutenyl)-2-hydroxyethyl>-3-(2-tetrahydropyranyloxy)ethyl-2-methylcyclopentane 
• 80322-25-4 2-(2-{(1R,2S,3S)-3-tert-Butoxy-2-[2-(3-methoxy-bicyclo[4.2.0]octa-1⁽⁶⁾,2,4-trien-7-yl)-ethyl]-2-methyl-cyclopentyl}-ethoxy)-tetrahydro-pyran 
• 80322-23-2 (+)-<(1R,2R,3S)-1-tert-butoxy-3-(2-tetrahydropyranyloxy)ethyl>-2-methylcyclopent-2-ylacetaldehyde 
• 80322-22-1 (+)-(1R,2S,3S)-1-tert-butoxy-2-methyl-2-<2,2-(propane-1,3-dithio)ethyl>cyclopentane 
• 80374-54-5 (+)-(1R,2S,3S)-3-tert-butoxy-2-methyl-2-<2,2-(propane-1,3-dithio)ethyl>cyclopent-1-ylacetic acid 
• 80374-05-6 (+)-(1S,3aR,7aS)-1-tert-butoxy-3a,4,7,7a-tetrahydro-<6,6-(propane-1,3-dithio)>-7a-methyl-5-indanone 
• 80374-06-7 (+)-(1R,2S,3S)-1-tert-butoxy-3-(2-hydroxyethyl)-2-methyl-2-<2,2-(propane-1,3-dithio)ethyl>cyclopentane 
• 80374-04-5 (+)-(1S,3aR,7aS)-1-tert-butoxy-3a,4,7,7a-tetrahydro-7a-methyl-5(6H)-indanone 
• 41878-38-0 (1S,7aS)-1-tert-butoxy-7a-methyl-1,2,3,6,7,7a-hexahydro-5H-inden-5-one 
• 80322-27-6 1-tert-butoxy-3-(2-hydroxyethyl)-2-<2-(4-methoxybenzocyclobutenyl)ethyl>-2-methylcyclopentane 
• 98-59-9 p-toluenesulfonyl chloride 

Relevant academic research and scientific papers

STUDIES ON THE STEREOCHEMICAL COURSE OF INTRAMOLECULAR CYCLOADDITION REACTIONS OF OLEFINIC o-QUINODIMETHANES - STEREOSELECTIVE SYNTHESIS OF 8α,9α,14β-ESTRANES

The stereoselective synthesis of 3-O-methyl-7α-p-toluenesulphonyl-8α,9α,14β-estradiol (25) and its 11-oxo derivative (26) via thermolysis of 1β-tert-butoxy-2α--2β-methyl-3α-cyclopentane (