Strongly Basic Proazaphosphatranes: P (EtNCH2CH2)3N and P (iso-PrNCH2CH2)3N

Abstract
The two new azaphosphatranes HP(RNCH2 CH2 )3 N+ Cl− (R = Et, 2c and R = i-Pr, 2d) were prepared from the corresponding (RNHCH2 CH2 )3 N and CIP(NEt2 )2 . They were transformed into the title proazaphosphatranes 3c and 3d, respectively, with tert-BuOK