3885-13-0

Upstream product

• 73532-66-8 Δ⁵-pregnene-3β,16α,20(S)-triol 20-O-β-D-glucopyranosyl(1-> 6)-β-D-glucopyranosyl(1-> 2)-β-D-digitalopyranoside 
• 4059-78-3 3β-acetoxy-16α-hydroxy-pregn-5-en-20-one 
• 4119-14-6 16α-benzyloxypregnenolone-3-acetate 
• 5056-56-4 3β,16α-diacetoxypregn-5-en-20-one 
• 64-17-5 ethanol 
• 974-23-2 3β-hydroxy-16α,17α-epoxypregn-5-en-20-one 
• 34209-81-9 Acetic acid (3S,8R,9S,10R,13S,14S,16R,17S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-20-oxa-cyclopropa[16,17]cyclopenta[a]phenanthren-3-yl ester 
• 73529-43-8 Δ⁵-pregnene-3β,16α,20α-triol 3-O-<2-O-acetyl-β-D-digitalopyranosyl(1-4)-β-D-cymaropyranoside> 20-O-<β-D-glucopyranosyl(1-6)-β-D-glucopyranosyl(1-2)-β-D-digitalopyranoside> 
• 649723-76-2 3β,16α-diacetoxy-20S-hydroxypregn-5-ene 

Relevant academic research and scientific papers

Pregnane glycosides from an antitumour fraction of Periploca sepium

Three new pregnane glycosides (S-4a, S-5 and S-10) and two known pregnane glycosides (S-4b and S-6) were isolated from an antitumour fraction of the root barks of Periploca sepium. Their structures were determined by 1H and 13C NMR,

Cardenolide and Steroid Glycosides from Alafia sp., an Antimalarial Plant from Madagascar

New cardenolide glycoside 1 and steroid glycoside 2, named respectively corotoxigenin-3-O-β- digitalopyranosyl-(1–4)-O-β-digitoxopyanoside and 5?-pregnene-3β,16α,20(S)-diol 20-O-[β-Ddigitalopyranosyl (1→2)-β-D-glucopyranoside], have been isolated from the

Synthesis of Novel D-Seco-Pregnenes

A new synthetic route was developed for the preparation of trans-3β-hydroxy-16,17-seco-pregna-5,17(20)-dien-16-al, using Grob fragmentation as the key step. This seco-steroid contains a formyl group and an unsaturated side-chain in a sterically favourable position, and is therefore a promising starting material for the synthesis of novel condensed steroid heterocycles.