Error message

  • Warning: A non-numeric value encountered in element_children() (line 6698 of /var/www/html/ewulibrary/includes/common.inc).
  • Warning: A non-numeric value encountered in element_children() (line 6698 of /var/www/html/ewulibrary/includes/common.inc).

A one -pot Synthesis of 7,11-diaryl-2,4 Diazaspro[5,5]Undecane-3-Oxo( Or Thioxo)- 1,5,9-Triones