COA of Formula: C3H3ClN2O2S. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 1H-Pyrazole-4-sulfonyl chloride, is researched, Molecular C3H3ClN2O2S, CAS is 438630-64-9, about A robust and facile method for desulfonation to amines. Author is Li, Chen; Huang, Yilei; Cao, Sheng; Luo, Yunhao; Zhang, Ying; Yang, Guang.
In this study, a robust and facile method for desulfonation to achieve secondary amines is demonstrated. Diphenylphosphine (Ph2PH) was shown to significantly expedite the cleavage of sulfonamides under basic conditions. Aromatic and aliphatic sulfonamides were cleanly converted, with a rapid reaction time, into the required amines with good to excellent chem. yields. Moreover, the functional groups tested were generally well tolerated.
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