... 1983, 32, 1361. 0002-7863/84/1506-5762$01 .50/0 0 1984 American Chemical Society Page 2. ... 2,6- lutidine, 4,4',4''-Tris(4,5-dichlorophthalimido)trityl: A New Type of Hydrazine-Labile Group as a Protecting Group of Primary Alcohols Mitsuo Sekine* and Tsujiaki Hata ...