Lithium Perchlorate/Diethylether Catalyzed Aza-Diels-Alder Reaction: An Expeditious Synthesis of Pyrano, Indeno Quinolines and Phenanthridines
作者:J. S. Yadav、B. V. Subba Reddy、R. Srinivas、Ch. Madhuri、T. Ramalingam
DOI:10.1055/s-2001-10777
日期:——
Lithium perchlorate in diethylether (LPDE) is found to catalyze imino-Diels-Alder reactions of N-aryl aldimines with 3,4-dihydro-2H-pyran (DHP), indene, and cyclohexenone to afford the corresponding pyrano, indeno quinolines and phenanthridinone derivatives in high yields.
Indium Trichloride-Catalyzed Imino Diels-Alder Reactions: Synthesis of New Indolylquinoline Derivatives
作者:Govindarajulu Babu、Rajagopal Nagarajan、Ramalingam Natarajan、Paramasivan T. Perumal
DOI:10.1055/s-2000-6387
日期:——
Imino Diels-Alder reaction of N-arylaldimines with cyclopentadiene, 3,4-dihydro-2H-pyran and indene is efficiently catalyzed by indium trichloride to give new indolylquinoline derivatives in good yields.
Convenient synthesis of pyrano[3,2-c]quinolines and indeno[2,1-c] quinolines by imino Diels-Alder reactions
作者:Govindarajulu Babu、Paramasivan T. Perumal
DOI:10.1016/s0040-4039(98)00397-9
日期:1998.5
Anhydrous indiumtrichloride (InCl3) is found to catalyze the imino Diels-Alderreaction of 3,4-dihydro-2H-pyran and indene with Schiff's bases to afford pyrano[3,2-c]quinolines and indeno[2,1-c] quinolines. Imino Diels-Alderreactions of N-benzylidene 1-naphthylamine with 3,4-dihydro-2H-pyran and indene results in efficient synthesis of phenanthridine derivatives.
发现无水三氯化铟(InCl 3)催化3,4-二氢-2 H-吡喃和茚与席夫碱的亚氨基Diels-Alder反应,得到吡喃并[3,2- c ]喹啉和茚并[2,1] - ç〕喹啉。N-亚苄基1-萘胺与3,4-二氢-2 H-吡喃和茚的亚氨基Diels-Alder反应导致菲啶衍生物的有效合成。
作者:B. V. Subba Reddy、R. Srinivas、J. S. Yadav、T. Ramalingam
DOI:10.1081/scc-100103540
日期:2001.1
Bismuth (III) chloride effectively catalyzes aza-Diels-Alder reaction of N-aryl aldimines with nucleophilic olefins for the first time to afford quinoline derivatives in high yields at ambient temperature. *IICT Communication No. 4499.