106711-22-2Relevant academic research and scientific papers
Nucleophilic Acylation of 3,4-Dihydroisoquinolinium Salts. Diastereoselective Synthesis of the Protoberberine Alkaloid (+/-)-Corydaline and of Analogous Compounds
Tietze, Lutz F.,Brill, Gunter
, p. 311 - 319 (2007/10/02)
Nucleophilic acylation of 3,4-dihydroisoquinolinium salts 3 with lithiated enol ethers 6,7, and 8 or vinyl sulfides 14 leads to the adducts 4,9, and 16, respectively, in mostly excellent yields.Hydrolysis of 4 affords 94-97percent of the ketones 5, which
