Isothiocyanates (<i>in situ</i>) and sulfonyl chlorides in water for <i>N</i>-functionalization of bicyclic amidines: access to <i>N</i>-alkylated γ-/ω-lactam derivatized thiourea and sulfonamides
作者:Pankaj Kumar、Aman Bhalla
DOI:10.1039/d3ob01584j
日期:——
generated in situ and arylsulfonylchlorides as electrophiles in water for N-functionalization of bicyclic amidines (DBN and DBU). This strategy provides complementary access to a range of thiouredosulfides, sulfonamides, aroylthioureas and amides derivativatized with distal γ- and ω-lactams. A novel sulfonylchloride mediated formation of β-uredo sulfides has been achieved from β-isothiocyanato sulfides