《[3+2] Cycloaddition reactions of 1-substituted 3,3,3-trifluoropropenes with diazo compounds and nitrilimines – synthesis of pyrazolines and pyrazoles》 was written by Markitanov, Yuriy N.; Timoshenko, Vadim M.; Mykhaylychenko, Sergiy S.; Rusanov, Eduard B.; Khyzhan, Alexandr I.; Shermolovich, Yuriy G.. Recommanded Product: 3-(Trifluoromethyl)-1H-pyrazoleThis research focused ontrifluoropropene diazo compound cycloaddition; pyrazole preparation. The article conveys some information:
1,3-Dipolar cycloaddition reactions of 3,3,3-trifluoropropene derivatives containing a sulfonyl, sulfamide or sulfoximine substituent in position 1 with diazomethane proceed with the formation of 3-substituted 4-(trifluoromethyl)-4,5-dihydro-1H-pyrazoles and 3-(trifluoromethyl)-1H-pyrazole, whereas reactions with Et diazoacetate and 2,2,2-trifluorodiazoethane lead to the formation of isomeric 5(3)-substituted 4-trifluoromethyl-3,4(4,5)-dihydro-2(1)H-pyrazoles and 4-substituted 5-(trifluoromethyl)-4,5-dihydro-1Hpyrazoles, the stability of which depends on the nature of the heteroat. substituent. The cycloaddition of 1-sulfonyl- and 1-sulfamoylsubstituted derivatives of 3,3,3-trifluoropropene to C-carbethoxy-N-phenylnitrilimine gives rise to 4-substituted Et 1-phenyl-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazole-3-carboxylates and Et 1-phenyl-4-(trifluoromethyl)-1H-pyrazole-3-carboxylate.3-(Trifluoromethyl)-1H-pyrazole(cas: 20154-03-4Recommanded Product: 3-(Trifluoromethyl)-1H-pyrazole) was used in this study.
3-(Trifluoromethyl)-1H-pyrazole(cas: 20154-03-4) belongs to pyrazoles. Pyrazole derivatives have been reported to exhibit a wide range of applications in medicinal chemistry and pharmacology. A large number of drugs incorporating pyrazole structure have been utilized as partial agonists for nicotinic acid receptors, antidepressants, antimicrobial agents, antiviral agents, and antifungal agents solely or along with the combination of other structural motifs.Recommanded Product: 3-(Trifluoromethyl)-1H-pyrazole
Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics