Selective synthesis of functionalized pyrazoles from 5-amino-1H-pyrazole-4-carbaldehydes with sodium nitrite: 5-Amino-4-nitrosopyrazoles and pyrazole-4-carbaldehydes

Autor: Hsiao, Rong-Hong, Tseng, Ching-Chun, Xie, Jia-Jun, Tsai, Shuo-En, Uramaru, Naoto, Lin, Ching-Ya, Chern, Ching-Yuh, Wong, Fung Fuh
Zdroj: In Tetrahedron 16 August 2019 75(33):4561-4569
Databáze: ScienceDirect