Here, we report a chemoenzymatic approach for the preparation of a small panel of biologically important iminosugars from readily available aldoses, employing a transaminase in combination with Gluconobacter oxydans whole cells.
[EN] NEW DENDRIMERIC PYRROLIDINES, THEIR SYNTHESIS AND MEDICAL USE<br/>[FR] NOUVELLES PYRROLIDINES DENDRIMÈRES, LEUR SYNTHÈSE ET UTILISATION MÉDICALE
申请人:UNIVERSITA' DEGLI STUDI DI FIRENZE
公开号:WO2017137895A1
公开(公告)日:2017-08-17
The subject-matter of the present invention relates to the synthesis of new dendrimeric molecules based on polyhydroxylated pyrrolidines obtained by means of Click Chemistry reactions. The proposed molecules inhibit the enzymes N-acetylgalactosamine-6-sulfatase (GALNS), iduronate-2-sulfatase (IDS), a-mannosidase and β-glucosidase, deficient in lysosomal storage diseases. The presentation of multivalent iminosugars on a scaffold is a prerequisite for the inhibitory activity as the corresponding monomers are not active. The inhibitory activity reported is the basis for the development of the first-ASSC pharmacological chaperones proposed for the treatment of the above mentioned pathologies. Formula (I)
The Efficient, Enantioselective Synthesis of Aza Sugars from Amino Acids. 1. The Polyhydroxylated Pyrrolidines
作者:Yifang Huang、David R. Dalton、Patrick J. Carroll
DOI:10.1021/jo962028s
日期:1997.1.1
(+)-serine or (-)-serine, as appropriate, convenient, high-yield, enantioselective synthesis of all eight stereoisomeric 2-hydroxymethyl-3,4-dihydroxypyrrolidines (the enantiomeric pairs of iminoribitol, -arabinitol, -xylitol, and -lyxitol) can be effected. The absolute configuration of the starting amino acid defines the set of azasugars produced.
Exploring Structure−Activity Relationships of Transition State Analogues of Human Purine Nucleoside Phosphorylase
作者:Gary B. Evans、Richard H. Furneaux、Andrzej Lewandowicz、Vern L. Schramm、Peter C. Tyler
DOI:10.1021/jm030145r
日期:2003.7.1
transition state analogue inhibitors of purine nucleoside phosphorylase, a therapeutic target for the control of T-cell proliferation. Immucillin analogues modified at the 2'-, 3'-, or 5'-positions of the azasugar moiety or at the 6-, 7-, or 8-positions of the deazapurine, as well as methylene-bridged analogues, have been synthesized and tested for their inhibition of human purine nucleoside phosphorylase. All
A New Strategy for the Diastereoselective Synthesis of Polyfunctionalized Pyrrolidines
作者:Stephen G. Pyne、Andrew S. Davis、Nicole J. Gates、Karl B. Lindsay、Minyan Tang
DOI:10.1055/s-2003-43362
日期:——
This paper describes a new strategy for the synthesis of polyfunctionalized pyrrolidines via the ring-closing metathesis reaction of substituted 3-allyl-4-vinyl-2-oxazolindones and subsequent diastereoselective cis-dihydroxylation of the resulting pyrrolo[1,2-c]oxazol-3-ones.