130506-50-2

Upstream product

• 130506-49-9 (+)-(3S,4'S)-3-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-4-methylpent-4-enol 
• 98-59-9 p-toluenesulfonyl chloride 
• 108404-41-7 (E)(S)-4-(3-hydroxy-2-methylpropenyl)-2,2-dimethyl[1,3]dioxolane 
• 135502-12-4 (+)-(2E,4S)-4,5-isopropylidenedioxy-2-methylpent-2-enyl acetate 
• 81997-76-4 (S,E)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-2-methylpropionic acid ethyl ester 
• 108404-43-9 ethyl-(3S,4'S)-3-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-4-methylpent-4-enoate 
• 15186-48-8 2,3-isopropylidene-glyceraldehyde 
• 1707-77-3 1,2:5,6-di-O-isopropylidene-D-mannitol 
• 130506-49-9 (+)-(3R,4'S)-3-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-4-methylpent-4-enol 
• 108404-42-8 ethyl-(3R,4'S)-3-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-4-methylpent-4-enoate 
• 64520-58-7 ethyl (E)-3-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)acrylate 

Downstream Products

• 4682-70-6 19-Nordeoxycorticosterone 
• 135399-04-1 (+)-11-deoxy-19-corticosterone benzoate 
• 130506-56-8 (+)-(20S)-20,21-dihydroxy-19-norpregn-4-en-5-one 21-benzoate 
• 135398-98-0 (+)-(2S,3'S,3a'S,9b'R)-trans-2-(2',3',3a',4',5',9b'-hexahydro-7'-methoxy-3a'-methyl-1'H-cyclopentanaphthalen-3'-yl)-2-hydroxyethyl benzoate 
• 135398-99-1 (+)-(3'S,3a'S,9b'R)-trans-2-(2',3',3a',4',5',9b'-hexahydro-7'-methoxy-3a'-methyl-1'H-cyclopentanaphthalen-3'-yl)-2-oxoethyl benzoate 
• 130506-56-8 Benzoic acid (S)-2-hydroxy-2-((8R,9S,10R,13S,14S,17S)-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-ethyl ester 

Relevant academic research and scientific papers

A Practical Route for Enantioselective Total Synthesis of (+)-11-Deoxy-19-norcorticosterone via Intramolecular Diels-Alder Addition to an ortho-Quinodimethane

A convenient and practical route for enantioselective synthesis of the A-nor-B-trienic steroid 2 via an intramolecular cycloaddition of the olefinic ortho-quinodimethane 3 generated in situ by thermolysis of the olefinic benzocyclobutene 4 is report

A novel O-quinodimethane strategy for an active metabolite of vitamin D3. A total synthesis of 25-hydroxy Windaus-Grundmann ketone

A highly diastereoselective total synthesis of 25-hydroxy Windaus-Grundmann ketone (2) was achieved via a novel regiocontrolled C-C bond formation by an intramolecular epoxide ring opening reaction of the bissulfonyl epoxide (19) as a key step, which was