109669-19-4

Upstream product

• 109669-27-4 <4S-(4α,4aα,5α,7aα,7bα)>-5-ethoxy-3,4,4a,7,7a,7b-hexahydro-4-carbomethoxy-4-thiophenyl-5H-1,6-dioxa-2-azacyclopent(cd)indene 
• 109669-27-4 <4S-(4α,4aα,5β,7aα,7bα)>-5-ethoxy-3,4,4a,7,7a,7b-hexahydro-4-carbomethoxy-5-H-1,6-dioxa-2-azacyclopent(cd)indene 

Downstream Products

• 121784-84-7 4-Benzyloxy-benzoic acid (1aS,1bS,2S,4S,5aR,6S,6aS)-2,4-diethoxy-1a-hydroxymethyl-octahydro-1,3-dioxa-cyclopropa[a]inden-6-yl ester 
• 109519-11-1 6-O-benzyl-10-O-t-butyldimethylsilyl specionin 
• 109669-25-2 6-O-benzyl-10-O-t-butyldimethylsilyl catalposide, α ethyl acetal 
• 87946-74-5 (-)-specionin 
• 109519-11-1 4-Benzyloxy-benzoic acid (1aS,1bS,2R,5aR,6S,6aS)-1a-(tert-butyl-dimethyl-silanyloxymethyl)-2,4-diethoxy-octahydro-1,3-dioxa-cyclopropa[a]inden-6-yl ester 
• 109669-25-2 6-O-benzyl-10-O-t-butyldimethylsilyl catalposide, β ethyl acetal 
• 109519-08-6 4-Benzyloxy-benzoic acid (1aS,1bS,2R,4S,5aR,6S,6aS)-2,4-diethoxy-1a-hydroxymethyl-octahydro-1,3-dioxa-cyclopropa[a]inden-6-yl ester 
• 121784-83-6 4-Benzyloxy-benzoic acid (1aS,1bS,2R,4R,5aR,6S,6aS)-2,4-diethoxy-1a-hydroxymethyl-octahydro-1,3-dioxa-cyclopropa[a]inden-6-yl ester 
• 113531-99-0 1β,3β-specionin 
• 121681-28-5 catalpol, β-ethyl acetal 
• 113532-00-6 1β,3α-specionin 

Relevant academic research and scientific papers

A GENERAL SYNTHETIC APPROACH TO OPTICALLY ACTIVE IRIDOID AGLYCONES. THE TOTAL SYNTHESES OF β-ETHYL DESCARBOMETHOXYVERBENALOL, ETHYL CATALPOL, AND (-)-SPECIONIN

A general approach to the synthesis of iridoid aglycones is reported.A combination Claisen rearrangement/nitrile oxide cycloaddition sequence has permitted the facile annulation of a highly functionalized cyclopentane ring onto a simple glycal derived fro