Piperidine derivatives, their production and use as stabilizers
申请人:Sumitomo Chemical Company, Ltd.
公开号:US04670489A1
公开(公告)日:1987-06-02
The present invention relates to a piperidine derivative represented by the general formula (I), ##STR1## wherein R.sub.1 is a uni- or divalent carboxylic acid residue, R.sub.2 is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.18 acyl group, l is an integer of 1 to 3 and n is 1 or 2, its production and a stabilizer for organic substances containing it as an effective ingredient.
Synthesis and NMR study of a first generation dendrimer having four branches involving four glycine and one carbomoyl-(3,7-dimethoxy-2-naphthalene) groups and attempts to complex it with α-, β- or γ-cyclodextrins
作者:Helena Dodziuk、Oleg M Demchuk、Wojciech Schilf、Grigory Dolgonos
DOI:10.1016/j.molstruc.2004.02.026
日期:2004.5
Abstract The synthesis of benzene-1, 4-bis(carboxamido-N,N-bis(acetyldiglicylglycinamide-N′-ethyl-2-N″-carbomoyl-(3,7-dimethoxy-2-naphthalene) by the method allowing one to avoid its tedious purification and unsuccessful attempts to obtain its quadruple complexes with native cyclodextrins are described. Molecular modeling of diglicylglycinamide-N′-ethyl-2-N″-carbomoyl-(3,7-dimethoxy-2-naphthalene)