178626-19-2

Upstream product

• 77-76-9 2,2-dimethoxy-propane 
• 178626-22-7 (1S,4aR,5S,6R,8R,9S,10S,10aR)-5,9-Bis-benzyloxy-8-(tert-butyl-dimethyl-silanyloxy)-6-(4-methoxy-benzyloxy)-7,7,10a-trimethyl-4-methylene-dodecahydro-benzocyclooctene-1,10-diol 
• 178626-18-1 (4aR,5S,6R,8R,9R,10aR)-5,9-Bis-benzyloxy-8-(tert-butyl-dimethyl-silanyloxy)-6-(4-methoxy-benzyloxy)-7,7,10a-trimethyl-4-methylene-octahydro-benzocyclooctene-1,10-dione 
• 178626-14-7 (2R,3R,5R,6S,7R)-2,6-Dibenzyloxy-3-(tert-butyldimethylsiloxy)-7-[1-(3-hydroxypropyl)vinyl]-5-(p-methoxybenzyloxy)-4,4-dimethylcyclooctanone 
• 178626-17-0 (4aS,5S,6R,8R,9R,10aS)-5,9-Bis-benzyloxy-8-(tert-butyl-dimethyl-silanyloxy)-6-(4-methoxy-benzyloxy)-7,7-dimethyl-4-methylene-octahydro-benzocyclooctene-1,10-dione 
• 178626-15-8 4-[(1S,2S,3R,5R,6R)-2,6-Dibenzyloxy-5-(tert-butyldimethylsiloxy)-3-(p-methoxybenzyloxy)-4,4-dimethyl-7-oxocyclooctyl]-4-pentenal 
• 64180-78-5 4-bromopent-4-en-1-ol 
• 69739-34-0 t-butyldimethylsiyl triflate 

Downstream Products

• 178626-23-8 (3aS,6aR,7S,8S,10R,11R,11aS,11bR)-8-Allyl-7,11-bis-benzyloxy-2,2,9,9,11b-pentamethyl-6-methylene-dodecahydro-1,3-dioxa-cycloocta[de]naphthalene-8,10-diol 
• 178626-21-6 (3aS,6aR,7S,8S,10R,11S,11aS,11bR)-8-Allyl-7,11-bis-benzyloxy-10-(tert-butyl-dimethyl-silanyloxy)-2,2,9,9,11b-pentamethyl-6-methylene-dodecahydro-1,3-dioxa-cycloocta[de]naphthalen-8-ol 
• 178626-20-5 (3aS,6aR,7S,10R,11S,11aS,11bR)-7,11-Bis-benzyloxy-10-(tert-butyl-dimethyl-silanyloxy)-2,2,9,9,11b-pentamethyl-6-methylene-decahydro-1,3-dioxa-cycloocta[de]naphthalen-8-one 

Relevant academic research and scientific papers

An asymmetric synthesis of the BC ring system of 8-epitaxoids by way of intramolecular aldol and successive stereoselective methylation reactions

Optically active 1α-allyl-1β,11β-benzylidenedioxy-2α,10β- bis(benzyloxy)-7β,9β-isopropylidenedioxy-8α,12,12-trimethyl-4- methylenebicyclo[6.4.0]dodecane (2)1 which corresponds to BC ring system of 8-epitaxoids was prepared in high yield from ketoaldehyde 8 via intramolecular aldol cyclization and successive stereoselective methylation reactions. The ketoaldehyde 8 was synthesized from 8-membered ring compound 3 by stereoselective Michael addition using higher-order cuprate.