Gold-Catalyzed Tandem Cyclization/Cycloaddition Reaction of Enynones: Highly Regioselective Synthesis of Oxabicyclic Compounds and Naphthyl Ketones

2013 ◽  
Vol 2 (9) ◽  
pp. 755-762 ◽  
Author(s):  
Xian-Rong Song ◽  
Xiao-Feng Xia ◽  
Bo Song ◽  
Xiang Tian ◽  
Hai-Tiao Zhu ◽  
...  
Keyword(s):  
Cycloaddition Reaction ◽  
Regioselective Synthesis ◽  
Tandem Cyclization

Facile Regioselective Synthesis of 1,2,6,8-Tetraazaspiro[4.4]nona-2,6-dien-9-ones

2000 ◽  
Vol 55 (2) ◽  
pp. 222-226 ◽  
Author(s):  
Adel S. Girgis
Keyword(s):  
Cycloaddition Reaction ◽  
Regioselective Synthesis ◽  
Dipolar Cycloaddition

1,3-Dipolar cycloaddition reaction of nitrilimines to a variety of 3-aryl-5-arylmethylidene- 3,5-dihydro-2-phenyl-4H-imidazol-4-ones (3) afforded the corresponding 1,3,4,7,8-pentaaryl -1,2,6,8-tetraazaspiro[4.4]-nona-2,6-dien-9-ones (4) and not the regio-isomers 2,3,6,8,9-pentaaryl- 1,3,7,8-tetraazaspiro[4.4]nona-1,6-dien-4-ones (5) in high regioselectivity.

Regioselective Synthesis of Novel Spirooxindolo and Spiroindano Nitro Pyrrolidines Through 3+2 Cycloaddition Reaction

2006 ◽  
Vol 36 (2) ◽  
pp. 141-150 ◽  
Author(s):  
Mahalingam Poornachandran ◽  
Rajendran Muruganantham ◽  
Ragavachary Raghunathan
Keyword(s):  
Cycloaddition Reaction ◽  
Regioselective Synthesis

Silver(I)-Catalyzed Tandem Reaction of Enynones and 4-Alkynyl Isoxazoles: Regioselective Synthesis of Highly Functionalized 4H-furan[3,4-c]pyrroles

2021 ◽  
Author(s):  
Haiyun Peng ◽  
Yangyi Zhang ◽  
Guisheng Deng ◽  
Hongmei Deng
Keyword(s):  
Regioselective Synthesis ◽  
Tandem Reaction ◽  
Imine Group ◽  
Tandem Cyclization

The work reports a silver(I)-catalyzed tandem reaction of enynones with 4-alkynyl isoxazoles. The reaction occurred via yne-enones bearing imine group as a key intermediate. The subsequent tandem cyclization of the...

ChemInform Abstract: A Multicomponent Pathway-Inspired Regioselective Synthesis of 2,3,4-Trisubstituted 1H-Pyrroles via [3 + 2] Cycloaddition Reaction.

ChemInform ◽  
2015 ◽  
Vol 46 (43) ◽  
pp. no-no
Author(s):  
Hanuman P. Kalmode ◽  
Kamlesh S. Vadagaonkar ◽  
Kaliyappan Murugan ◽  
Atul C. Chaskar
Keyword(s):  
Cycloaddition Reaction ◽  
Regioselective Synthesis

Tandem cyclization-cycloaddition reaction of rhodium carbenoids. Studies dealing with the geometric requirements of dipole formation

1991 ◽  
Vol 56 (10) ◽  
pp. 3271-3278 ◽  
Author(s):  
Albert Padwa ◽  
Richard L. Chinn ◽  
Susan F. Hornbuckle ◽  
Zhijia J. Zhang
Keyword(s):  
Cycloaddition Reaction ◽  
Rhodium Carbenoids ◽  
Tandem Cyclization
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