Recently I am researching about REGIOSELECTIVE IODINATION; NITROSYLSULFURIC ACID; AROMATIC-COMPOUNDS; EFFICIENT METHOD; NITROGEN-OXIDE; C-13 NMR; MILD; CONVENIENT; BROMINATION; 3,5-DIARYLISOXAZOLES, Saw an article supported by the Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-33-01109, 20-33-90030]; M.V. Lomonosov Moscow State University Program of Development. Published in AMER CHEMICAL SOC in WASHINGTON ,Authors: Bondarenko, OB; Karetnikov, GL; Komarov, AI; Pavlov, AI; Nikolaeva, SN. The CAS is 67-51-6. Through research, I have a further understanding and discovery of 3,5-Dimethyl-1H-pyrazole. HPLC of Formula: C5H8N2
A new convenient and versatile halogenating system (R(4)NHal/NOHSO4), giving straightforward and general access to halogenated 3,5-diaryl- and alkylarylisoxazoles, pyrazoles and electron-rich benzenes from the corresponding scaffolds, is suggested. The method provides excellent regioselectivity, scalability to the gram scale, and a broad scope for both aromatics and halogens. A three-step, one-pot reaction protocol was developed, and a series of 3,5-diaryl-4-haloisoxazoles has been efficiently synthesized from 1,2-diarylcyclopropanes under suggested nitrosating-halogenating conditions.
Welcome to talk about 67-51-6, If you have any questions, you can contact Bondarenko, OB; Karetnikov, GL; Komarov, AI; Pavlov, AI; Nikolaeva, SN or send Email.. HPLC of Formula: C5H8N2
Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics