Unexpected formation of hydroxyborazaphosphonic acid in the reaction of (N-benzyl)benzylideneimine-2-boronic acid with diethyl phosphite

作者：Rydzewska Agata; Slepokura Katarzyna; Lis Tadeusz; Kafarski Pawel; Mlynarz Piotr^*

来源：Tetrahedron Letters, 2009, 50(1): 132-134.

DOI：10.1016/j.tetlet.2008.10.112

During the synthesis of an aminobenzylphosphonic acid bearing a boronic acid group at the ortho position, surprisingly, formation of hydroxyborazaphosphonic acid occurred. This compound appeared to be unstable in protic solvents.

• 出版日期2009-1-7