197848-07-0

Upstream product

• 76-83-5 trityl chloride 
• 197848-06-9 (R)-4-Ethyl-5-hydroxy-4-hydroxymethyl-hexanoic acid methyl ester 
• 197848-05-8 (E)-(R)-4-Ethyl-5-hydroxy-4-hydroxymethyl-hex-2-enoic acid methyl ester 
• 197848-04-7 (E)-3-(5-ethyl-2,2,4-trimethyl-1,3-dioxa-5(R)-cyclohexyl)-2-propen-1-ol 
• 197848-03-6 (E)-(R)-4-Ethyl-4-hydroxymethyl-hex-2-ene-1,5-diol 

Relevant academic research and scientific papers

Asymmetric synthesis of the pentacyclic ring system of aspidosperma alkaloids

The asymmetric synthesis of pentacyclic compound 1 3, a known intermediate in the synthesis of 1-acetylaspidospermidine, was conducted via the condensation of 2-hydroxytryptamine with chiral C9 lactone 9, readily available from triol 4.