86796-22-7

Upstream product

• 6302-02-9 2-acetonylpyridine 
• 86913-31-7 1-Acetyl-3-benzyl-2-hydroxy-4-chinolizinon 
• 86796-20-5 3-Benzyl-2-hydroxy-1-propionyl-4-chinolizinon 
• 15781-74-5 bis(2,4,6-trichlorophenyl)-2-benzylmalonate 
• 6303-73-7 1-(pyridin-2-yl)-butan-2-one 
• 71267-77-1 3-Benzyl-2-hydroxy-4-chinolizinon 
• 108-24-7 acetic anhydride 

Relevant academic research and scientific papers

Quinolizines and Indolizines, XIII. Acyl-2-hydroxy-4-quinolizinones

The reaction of 2-picolylketones (1a, b) with reactive trichlorophenyl malonates (2a-f) leads to 1-acyl-2-hydroxy-4-quinolizinones (3a-i) which can be easily deacylated by boiling hydrochloric acid yielding 4-quinolizinones 4a-f.The 3-acetyl-2-hydroxy-4-quinolizinones 6 and 8 are obtained by Klosa-Ziegler acylation of 4a and 7, respectively.The reaction of the acetyl compound 3a with acetic anhydride yields the 2-pyrone derivative 9, whereas the propionyl derivative 3g yields the 4-pyrone 10 under the same conditions.Nitration of 3e does not give the 1-nitro derivative 12 but rather the 1,3-dinitro compound 11. - Keywords: 3-Acetyl-2-hydroxy-4-quinolizinones; 1-Acyl-2-hydroxy-4-quinolizinones; Bis-2,4,6-trichlorophenyl malonates; Deacylation; Klosa-Ziegler-acylation