81357-96-2Relevant academic research and scientific papers
Facile addition of ketones to activated isoquinolines using N-methyl-2-pyrrolidinone
Yadav,Reddy,Gupta, Manoj K.,Prathap,Dash, Uttam
, p. 1077 - 1081 (2008/02/03)
Ketones undergo a smooth addition to N-acylisoquinolinium ions in N-methyl-2-pyrrolidinone, under mild conditions, to produce 1-alkylated isoquinoline derivatives in excellent yields with high regioselectivity. The use of commercially available N-methyl-2
Synthesis of 1,2-dihydroisoquinolines by the reaction of isoquinoline with allyltributyltin or silyl enol ethers in the presence of N-acylating agents
Itoh, Takashi,Miyazaki, Michiko,Nagata, Kazuhiro,Hasegawa, Hiroshi,Ohsawa, Akio,Nakamura, Kazuo T.
, p. 125 - 128 (2007/10/03)
Isoquinolines were allowed to react with allyltributyltin or silyl enol ethers in the presence of N-acylating agents to give 1-substituted 1,2-dihydroisoquinolines in good yields. When a chiral acid chloride was used for an activator, a high diastereosele
Addition of Trimethylsilyl Enol Ethers to Isoquinolinium Salts: A Facile Synthesis of 1-(2-Oxoalkyl)-2-(ethoxycarbonyl)(or acetyl)- 1,2-dihydroisoquinolines and Their Cyclization for the Synthesis of the Isoquinoline Alkaloid Skeleton
Akiba, Kin-ya,Nakatani, Masayuki,Wada, Makoto,Yamamoto, Yohsuke
, p. 63 - 68 (2007/10/02)
The addition of trimethylsilyl enol ethers to 2-acylisoquinolinium salts afforded 1-(2-oxoalkyl)-2-(ethoxycarbonyl)(or acetyl)-1,2-dihydroisoquinolines (3) in excellent yields.These compounds were cyclized with bases to give benzoquinolizine derivative
REACTION OF TRIMETHYLSILYL ENOL ETHERS WITH ISOQUINOLINIUM SALTS. A FACILE SYNTHESIS OF ETHYL 1-(2-OXOALKYL)-1,2-DIHYDROISOQUINOLINE-2-CARBOXYLATES AND THEIR CYCLIZATION
Wada, Makoto,Nakatani, Masayuki,Akiba, Kin-ya
, p. 39 - 42 (2007/10/02)
An efficient method is described for the synthesis of ethyl 1-(2-oxoalkyl)-1,2-dihydroisoquinoline-2-carboxylates by C-C bond formation between 2-ethoxycarbonylisoquinolinium chloride and trimethylsilyl enol ethers.The products were treated with a few bases to afford the corresponding pyridoisoquinoline derivatives.
ADDITION OF BORON ENOLATES TO ISOQUINOLINIUM SALTS : A FACILE SYNTHESIS OF 1-β-KETO SUBSTITUTED 2-ETHOXYCARBONYL-1,2-DIHYDROISOQUINOLINES AND THEIR CYCLIZATION
Akiba, Kin-ya,Araki, Kei-ichi,Nakatani, Masayuki,Wada, Makoto
, p. 4961 - 4964 (2007/10/02)
An efficient method to synthesize 1-β-keto substituted 2-ethoxycarbonyl (or 2-acetyl)-1,2-dihydroisoquinolines (3) is described, utilizing boron enolates and isoquinolinium salts.The products were treated with sodium ethoxide to afford the corresponding c
