110714-45-9

Upstream product

• 110742-81-9 (R)-((S)-2-(6′-cyano-5′-oxo-3′,5′-dihydro-2′H-spiro[[1,3]dioxolane-2,1′-indolizine]-7′-yl)-1-ethoxy-1-oxobutan-2-yl) 1-tosylpyrrolidine-2-carboxylate 
• 7440-33-7 tungsten 
• 58610-64-3 7’-methyl-5’-oxo-3’,5’-dihydro-2’H-spiro[[1,3]dioxolane-2,1‘-indolizine]-6’-carbonitrile 
• 58610-63-2 6-cyano-7-methyl-1,5-dioxo-Δ⁶⁽⁸⁾-tetrahydroindolizine 
• 73427-92-6 methyl 6-cyano-1-hydroxy-7-methyl-5-oxo-3,5-dihydroindolizine-2-carboxylate 
• 58610-65-4 ethyl 2-(6′-cyan-5′-oxo-3′,5′-dihydro-2′H-spiro[[1,3]dioxolane-2,1′-indolizine]-7′-yl)acetate 
• 110771-95-4 (R)-N-tosylproline 
• 110714-44-8 (2R)-1-(6′-cyano-5′-oxo-3′,5′,-dihydro-2′H-spiro[[1,3]dioxolane-2,1′-indolizine]-7′-yl)-2-ethoxy-2-oxoethyl 1-tosylpyrrolidine-2-carboxylate 
• 110714-43-7 ethyl 2-bromo-2-(6′-cyano-5′-oxo-3′,5′-dihydro-2′H-spiro[[1,3]dioxolane-2,1′-indolizine]-7′-yl)acetate 
• 108-24-7 acetic anhydride 

Downstream Products

• 110771-95-4 (R)-N-tosylproline 
• 110714-46-0 (R)-((S)-2-(6′-(acetoxymethyl)-5′-oxo-3′,5′-dihydro-2′H-spiro[[1,3]dioxolane-2,1′-indolizine]-7′-yl)-1-ethoxy-1-oxobutan-2-yl) 1-tosylpyrrolidine-2-carboxylate 
• 110351-94-5 (4S)-4-ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione 
• 7689-03-4 camptothecin 

Relevant academic research and scientific papers

COMPOUND OF CAMPTOTHECIN AND PREPARATION AND USE THEREOF

The present disclosure relates to a compound of formula I, a pharmaceutical composition thereof and the use thereof as an anti-tumor drug.

COMPOUND OF CAMPTOTHECIN AND PREPARATION AND USE THEREOF

The present disclosure relates to a compound of formula I, a pharmaceutical composition thereof and the use thereof as an anti-tumor drug.

Antitumour Agents. Part 2. Asymmetric Synthesis of (S)-Camptothecin

The total synthesis of (S)-camptothecin by a novel diastereoselective ethylation process is described.

Certain pyrano (3,4-f)-indolizine derivatives

A pyranoindolizine derivative represented by the following general formula (I): STR1 wherein R means a hydrogen atom or hydroxyl group and Q denotes >C=O or STR2 with a proviso that Q is other than >C=O when R is a hydrogen atom. Its preparation process is also described.