97694-44-5

Upstream product

• 97694-43-4 (5S)-3-O-benzyl-3-C-ethynyl-5-(quinizarin-2-yl)-α-(β)-D-ribopyranose 

Downstream Products

• 97694-46-7 (8S,9S,10S)-8-benzyloxy-8-ethynyl-7,8,9,10-tetrahydro-6,9,10,11-tetrahydroxynaphthacene-5,12-dione 
• 97694-45-6 (7R,8R,9S,10S)-8-benzyloxy-8-ethynyl-7,8,9,10-tetrahydro-6,7,9,10,11-pentahydroxynaphthacene-5,12-dione 

Relevant academic research and scientific papers

ANTHRACYCLINONES. PART 3. USE OF DI-ISOPROPYLIDENE-D-GLUCOSE AND A MODIFIED MARSCHALK REACTION TO INTRODUCE A TERTIARY CARBINOL FUNCTION INTO RING D OF ANTHRACYCLINONES

Reaction of 3-C-ethynyl-1,2-O-isopropylidene-α-D-ribo-pentodialdo-1,4-furanose (2b) with leuco-quinizarin (4) in alkaline solution gave a mixture of (5S)- and (5R)-3-C-ethynyl-1,2-O-isopropylidene-5-(quinizarin-2-yl)-α-D-ribofuranose (11a) and (11b) respe