Xu, JH; Wu, WB; Wu, J in [Xu, Jin-hui; Wu, Wen-bin; Wu, Jie] Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117543, Singapore published Photoinduced Divergent Alkylation/Acylation of Pyridine N-Oxides with Alkynes under Anaerobic and Aerobic Conditions in 2019.0, Cited 47.0. SDS of cas: 62-23-7. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7.
Ortho-alkylated and ortho-acylated pyridines have been conveniently synthesized from pyridine N-oxides and alkynes under visible-light-mediation in a metal-free manner. The alkynes served as both alkylating and acylating agents via switching between anaerobic and aerobic conditions. The overall strategy accommodates a broad scope of substituted pyridine N-oxides and alkynes, with excellent regioselectivity in a number of cases.
About 4-Nitrobenzoic acid, If you have any questions, you can contact Xu, JH; Wu, WB; Wu, J or concate me.. SDS of cas: 62-23-7
Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem