Synthesis of 1-mono- and 1,2-bisacylpyrazolidines and 1-arylsulfonylpyrazolines
作者:V. Yu. Petukhova、V. A. Maslennikov、V. V. Kuznetsov、N. N. Makhova、S. A. Serkov
DOI:10.1007/s11172-010-0257-2
日期:2010.7
Study of a reaction of 1,5-diazabicyclo[3.1.0]hexanes with acyl and sulfonyl chlorides in organic or aqueous organic media in the presence of inorganic bases resulted in development of new simple one-step methods for the preparation of 1-mono- and 1,2-bisacylpyrazolidines and 1-arylsulfonylpyrazolines.
New simple synthesis of N-acylpyrazolidines and N-arylsulfonyl-2-pyrazolines
作者:Alexander V. Shevtsov、Alexander A. Kislukhin、Vladimir V. Kuznetsov、Vera Yu. Petukhova、Vladimir A. Maslennikov、Alexandra O. Borissova、Konstantin A. Lyssenko、Nina N. Makhova
DOI:10.1016/j.mencom.2007.03.023
日期:2007.3
New simple methods for the synthesis of 1-mono- and 1,2-diacylpyrazolidines as well as 1-arylsulfonyl-2-pyrazolines, based on the interaction of 1,5-diazabicylo[3.1.0]hexanes with acyl- or arylsulfonyl chlorides, have been proposed.
Chain length dependent reactivity of 2-(ω-hydroxyalkyl)-4-(ω-hydroxyalkylamino)phthalazin-1(2h)-ones in azeotropic hydrobromic acid