(benzene-1,2-diolato(2-)-
O,
O')-(2,3-dimethyl-butane-2,3-diolato(2-)-
O,
O')-(1,2-diphenyl-ethene-1,2-diolato(2-)-
O,
O')-phosphate(1-); dimethylammonium salt 在
三氟乙酸 作用下,
生成
2-(7,7,8,8-Tetramethyl-2,3-diphenyl-1,4,6,9-tetraoxa-5λ5-phospha-spiro[4.4]non-2-en-5-yloxy)-phenol