125608-41-5

Upstream product

• 186581-53-3 diazomethane 
• 125404-64-0 5'-Benzyloxy-1',3',4',5',6',7'-hexahydro-spiro[[1,3]dioxolane-2,2'-indene]-5'-carboxylic acid benzyl ester 
• 125404-62-8 hexahydro-5'-acetyloxy-spiro(1,3-dioxolane-2,2'-<2H>-inden)-5'-carboxylic acid methyl ester 
• 89408-40-2 trans-7,8-diiodomethyl-1,4-dioxaspiro<4.4>nonane 
• 125404-53-7 hexahydro-5'-hydroxy-spiro(1,3-dioxolane-2,2'-<2H>-inden)-5'-carboxylic acid methyl ester 
• 125404-52-6 hexahydro-spiro(1,3-dioxolane-2,2'-<2H>-inden)-5'-carboxylic acid methyl ester 
• 125404-49-1 7,8-bismethylen-1,4-dioxaspiro<4,4>nonane 
• 89408-39-9 cis-3,4-bis(iodomethyl)cyclopentanone 
• 89408-40-2 cis-7,8-bis(iodomethyl)-1,4-dioxaspiro<4.4>nonane 
• 100-39-0 benzyl bromide 

Downstream Products

• 125404-54-8 1-(hexahydro-5'-benzyloxy-spiro(1,3-dioxolane-2,2'-<2H>-inden-5'-yl))-2-(methylsulfinyl)-ethanone 
• 125404-56-0 (6β,8aα)-tetrahydro-6-benzyloxy-6,8a-methanoazulen-(1H,6H)-2,7-dione 
• 125404-55-9 (3aR,6R)-6-Benzyloxy-4-methylsulfanyl-7,8-dihydro-6H-3a,6-methano-azulene-2,5-dione 

Relevant academic research and scientific papers

3,4-BISMETHYLENECYCLOPENTANONE ETHYLENE KETAL: A USEFUL DIENE FOR RING SYSTEMS: APPLICATION TO A FORMAL SYNTHESIS OF GIBBERELLIC ACID

A convenient preparation of 3,4-bismethylenecyclopentanone ethylene ketal, a new valuable diene for Diels-Alder reaction, designed to produce functionalized ring systems, is described.A formal synthesis of gibberellic acid GA3 using as starting mate