Evaluation of Chiral Bidentate Ligand?Metal Complexes in Asymmetric 1,3-Dipolar Cycloaddition Reaction of Nitrones with 3-Alkenoyl-2-oxazolidinones.

ChemInform ◽  
2005 ◽  
Vol 36 (15) ◽  
Author(s):  
Takao Saito ◽  
Takuya Yamada ◽  
Shingo Miyazaki ◽  
Takashi Otani
Keyword(s):  
Metal Complexes ◽  
Cycloaddition Reaction ◽  
Bidentate Ligand ◽  
Dipolar Cycloaddition

Asymmetric 1,3-Dipolar Cycloaddition Reaction of C,N-Diphenylnitrone with Acryloyloxazolidinone Catalysed by Metal Complexes of Tridentate Bis(Oxazolinyl)Carbazole Ligand

2012 ◽  
Vol 36 (3) ◽  
pp. 131-133 ◽  
Author(s):  
You Jun ◽  
Liu Li Xue ◽  
Liu Bo ◽  
Yu Yanchao
Keyword(s):  
Metal Complexes ◽  
Cycloaddition Reaction ◽  
Dipolar Cycloaddition ◽  
Cycloaddition Reactions ◽  
New Type

Using a new type of Cu(OTf)2-bis(oxazolinyl)carbazole as the catalyst, 1,3-dipolar cycloaddition reactions between acryloyloxazolidinone and C,N-diphenylnitrone have been developed with 100% regioselectivity and an endo/ exo ratio of 85:15 with a 94% ee of the endo-diastereomer.

New Pyrrolo[1,2-b]pyridazine Derivatives by 1,3-Dipolar Cycloaddition of Mesoionic Oxazolopyridazinone

2008 ◽  
Vol 59 (11) ◽  
Author(s):  
Miron Teodor Caproiu ◽  
Florea Dumitrascu ◽  
Mino R. Caira
Keyword(s):  
Nmr Spectroscopy ◽  
Elemental Analysis ◽  
Cycloaddition Reaction ◽  
Dipolar Cycloaddition ◽  
Pyridazine Derivatives ◽  
New Compounds

New pyrrolo[1,2-b]pyridazine derivatives 8a-f were synthesized by 1,3-dipolar cycloaddition reaction between mesoionic 1,3-oxazolo[3,2-b]pyridazinium-2-oxides and diethyl or diisopropyl acetylenedicarboxylate as alkyne dipolarophiles. The structures of the new compounds were assigned by elemental analysis and NMR spectroscopy.

Copper-catalyzed Convenient Synthesis and SAR Studies of Substituted-1,2,3-triazole as Antimicrobial Agents

2018 ◽  
Vol 16 (1) ◽  
pp. 3-10
Author(s):  
Aniket P. Sarkate ◽  
Kshipra S. Karnik ◽  
Pravin S. Wakte ◽  
Ajinkya P. Sarkate ◽  
Ashwini V. Izankar ◽  
...  
Keyword(s):  
Antimicrobial Activity ◽  
Antifungal Activity ◽  
Antimicrobial Agents ◽  
Cycloaddition Reaction ◽  
Dipolar Cycloaddition ◽  
One Pot ◽  
Triazole Derivatives ◽  
Sar Studies ◽  
Convenient Synthesis ◽  
Antibacterial And Antifungal

Background:A novel copper-catalyzed synthesis of substituted-1,2,3-triazole derivatives has been developed and performed by Huisgen 1,3-dipolar cycloaddition reaction of azides with alkynes. The reaction is one-pot multicomponent.Objective:We state the advancement and execution of a methodology allowing for the synthesis of some new substituted 1,2,3-triazole analogues with antimicrobial activity.Methods:A series of triazole derivatives was synthesized by Huisgen 1,3-dipolar cycloaddition reaction of azides with alkynes. The structures of the synthesized compounds were elucidated and confirmed by 1H NMR, IR, MS and elemental analysis. All the synthesized compounds were tested for their antimicrobial activity against a series of strains of Bacillus subtilis, Staphylococcus aureus and Escherichia coli for antibacterial activity and against the strains of Candida albicans, Aspergillus flavus and Aspergillus nigar for antifungal activity, respectively.Results and Conclusion:From the antimicrobial data, it was observed that all the newly synthesized compounds showed good to moderate level of antibacterial and antifungal activity.

Rapid Access to Novel 1,2,3-Triazolo-Heterocyclic Scaffolds via Tandem Knoevenagel Condensation/Azide–Alkyne 1,3-Dipolar Cycloaddition Reaction in One Pot

2014 ◽  
Vol 16 (9) ◽  
pp. 466-477 ◽  
Author(s):  
Ram Awatar Maurya ◽  
Praveen Reddy Adiyala ◽  
D. Chandrasekhar ◽  
Chada Narsimha Reddy ◽  
Jeevak Sopanrao Kapure ◽  
...  
Keyword(s):  
Knoevenagel Condensation ◽  
Cycloaddition Reaction ◽  
Dipolar Cycloaddition ◽  
One Pot ◽  
Rapid Access

Synthesis of novel isoxazole-benzoquinone hybrids via 1,3-dipolar cycloaddition reaction as key step

2012 ◽  
Vol 53 (32) ◽  
pp. 4108-4113 ◽  
Author(s):  
P. Ravi Kumar ◽  
Manoranjan Behera ◽  
K. Raghavulu ◽  
A. Jaya Shree ◽  
Satyanarayana Yennam
Keyword(s):  
Cycloaddition Reaction ◽  
Dipolar Cycloaddition

Bifunctional AgOAc/ThioClickFerrophos catalyzed asymmetric 1,3-dipolar cycloaddition reaction of azomethine ylides to nitroalkenes

Tetrahedron ◽  
2016 ◽  
Vol 72 (21) ◽  
pp. 2666-2670 ◽  
Author(s):  
Midori Kimura ◽  
Yukiko Matsuda ◽  
Akihiro Koizumi ◽  
Chihiro Tokumitsu ◽  
Yuichiro Tokoro ◽  
...  
Keyword(s):  
Cycloaddition Reaction ◽  
Azomethine Ylides ◽  
Dipolar Cycloaddition
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