30147-93-4Relevant academic research and scientific papers
A synthesis of some trimethoxylated 1,2,3,4-tetrahydroisoquinoline alkaloids via Pummerer reaction of N-trimethoxybenzyl-N-[2- (phenylsulfinyl)ethyl]formamides
Shinohara, Tatsumi,Takeda, Akira,Toda, Jun,Kohno, Michiyo,Sano, Takehiro
, p. 119 - 129 (2007/10/03)
Pummerer reaction of N-trimethoxybenzyl-N-[2- (phenylsulfinyl)ethyl]formamides (7) gave N-formyl-1,2,3,4-tetrahydro-4- phenyl-sulfanylisoquinolines (9) which were converted into trimethoxylated 1,2,3,4-tetrahydroisoquinoline alkaloids in the family of Cac
A FACILE ROUTE TO TETRAHYDROISOQUINOLINE ALKALOIDS VIA SULFOXIDE MEDIATED CYCLIZATION
Takano, Seiichi,Iida, Hirokazu,Inomata, Kohei,Ogasawara, Kunio
, p. 47 - 52 (2007/10/02)
A facile route to 1,2,3,4-tetrahydroisoquinoline framework has been developed by employing the sulfoxide mediated cyclization reaction.Utilizing the reaction developed some naturally occurring isoquinoline alkaloids have been synthesized.
A BIOMIMETIC SYNTHESIS OF (+/-)-TETRAHYDROTAKATONINE, (+/-)-O-METHYLGIGANTINE, AND TEHAUNINE
Hara, Hirohi,Tsunashima, Akira,Shinoki, Hiroshi,Hoshino, Osamu,Umezawa, Bunsuke
, p. 293 - 296 (2007/10/02)
Treatment of 7-acetoxy-7-methoxy-2-methyl-6-oxo-Δ4a,5,8,8a-hexahydroisoquinolines (6a-c) with conc.H2SO4 in Ac2O and subsequent hydrolysis followed by methylation produced the title alkaloids (9a-c), although in low yields.
