117155-77-8

Upstream product

• 117155-76-7 (2S,3S)-4-Benzyloxy-2-(2-methoxy-ethoxymethoxy)-3-methyl-butyraldehyde 
• 117169-26-3 tert-Butyl-{(2S,4S,6S,8R,9S)-8-((S)-sec-butyl)-9-methyl-2-[2-(toluene-4-sulfonyl)-ethyl]-1,7-dioxa-spiro[5.5]undec-10-en-4-yloxy}-dimethyl-silane 
• 80184-02-7 (2S,3S)-4-(benzyloxy)-3-methyl-1,2-butanediol 
• 95588-29-7 (4S)-4-<(1S)-2-(benzyloxy)-1-methylethyl>-2,2-dimethyl-1,3-dioxolane 
• 50460-80-5 (2S,3R)-2-Hydroxy-3-methylbernsteinsaeure-dimethylester 
• 100-39-0 benzyl bromide 
• 74243-88-2 (βS,4S)-β,2,3-trimethyl-1,3-dioxolane-4-ethanol 
• 74213-64-2 (2S,3S)-erythro-3-methylbutane-1,2,4-triol 

Downstream Products

• 117169-27-4 (4S,5S)-6-Benzyloxy-1-[(2R,4S,6S,8R,9S)-8-((S)-sec-butyl)-4-(tert-butyl-dimethyl-silanyloxy)-9-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-yl]-4-(2-methoxy-ethoxymethoxy)-5-methyl-hexan-3-one 
• 117155-78-9 [(2R,4S,6S,8R,9S)-2-[(4S,5S)-6-Benzyloxy-4-(2-methoxy-ethoxymethoxy)-5-methyl-hex-2-ynyl]-8-((S)-sec-butyl)-9-methyl-1,7-dioxa-spiro[5.5]undec-10-en-4-yloxy]-tert-butyl-dimethyl-silane 
• 117169-28-5 Trifluoro-methanesulfonic acid (2S,3S)-4-benzyloxy-1-[2-[(2R,4S,6S,8R,9S)-8-((S)-sec-butyl)-4-(tert-butyl-dimethyl-silanyloxy)-9-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-yl]-eth-(Z)-ylidene]-2-(2-methoxy-ethoxymethoxy)-3-methyl-butyl ester 

Relevant academic research and scientific papers

SYNTHESYS OF THE C11-C28 SUBUNIT OF THE AVERMECTINS

Construction of the trisubstituted double bond of the C11-C28 subunit of avermectin A1a and B1a has been achieved in a five-step sequence.