Iodine-catalyzed efficient hydrophosphonylation of N-tosyl aldimines.
Treatment of N-tosyl aldimines with dialkyl trimethylsilyl phosphites at 0 degrees C in the presence of iodine as a catalyst afforded the corresponding sulfonamide phosphonates in excellent yields within 1.5 to 2.5 h.
Das
Biswanath
B
Organic Chemistry Division-1, Indian Institute of Chemical Technology, Hyderabad 500 007, India. biswanathdas@yahoo.com
Balasubramanyam
Penagaluri
P
Krishnaiah
Maddeboina
M
Veeranjaneyulu
Boyapati
B
Reddy
Gandolla Chinna
GC
D002384:Catalysis; D007097:Imines / Q000737:chemistry*; D007455:Iodine; D063065:Organophosphonates / Q000138:chemical synthesis; D017905:Phosphites / Q000737:chemistry*; D013449:Sulfonamides / Q000138:chemical synthesis; D014105:Tosyl Compounds / Q000737:chemistry*
D007097:Imines; D063065:Organophosphonates; D017905:Phosphites; D013449:Sulfonamides; D014105:Tosyl Compounds; D007455:Iodine