Zobrazeno 1 - 10
of 252
pro vyhledávání: '"Andrew S. Kende"'
Publikováno v:
Journal of Medical Microbiology. 55:407-415
A bromotyrosine alkaloid family of antimicrobial agents was synthesized using the known structure of a natural inhibitor of the mycobacterial mycothiolS-conjugate amidase (MCA) as a template. This series of compounds represents a novel class of anti-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b07c4f299f33506567ad93bc9c976ab7
https://doi.org/10.1099/jmm.0.46319-0
https://doi.org/10.1099/jmm.0.46319-0
Publikováno v:
Tetrahedron Letters. 46:8149-8152
Medium-ring olefinic ketone and lactone enolsilanes were subjected to palladium(II)-mediated cycloalkenylation conditions. Diverse bicyclic ring products were obtained in moderate to good yields. The effect of olefin geometry and ring size is discuss
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d692a1768e408df3c3ce638f8956ad2e
https://doi.org/10.1016/j.tetlet.2005.09.125
https://doi.org/10.1016/j.tetlet.2005.09.125
Publikováno v:
Tetrahedron Letters. 45:7809-7812
The mechanism of an unusual decarboxylative cyclization from 5-methoxy-1-(2-carboxyphenyl)-1,4-dihydro-4-oxopyridine-2-carboxylic acid (diacid) to 3-methoxypyrido[1,2- a ]indole-2,10-dione (ketone) has been investigated. 13 C-labeling has demonstrate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc66aee96d87c6d26618c6df279df0ea
https://doi.org/10.1016/j.tetlet.2004.05.161
https://doi.org/10.1016/j.tetlet.2004.05.161
Publikováno v:
Tetrahedron Letters. 43:4973-4976
A modular method for construction of polypeptides containing the Phe-Arg phosphinic acid isostere is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a86fb1a09b0526ecdcc02696eac46ea5
https://doi.org/10.1016/s0040-4039(02)00957-7
https://doi.org/10.1016/s0040-4039(02)00957-7
Publikováno v:
Tetrahedron. 58:61-74
Two different approaches to the alkaloids stemonamide and isostemonamide using N-acyliminium chemistry are described. The approach using an aldol spirocyclization to construct the second contiguous spirocenter was successful. The total synthesis of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6347f6478bf789d9d587706fb71e10a8
https://doi.org/10.1016/s0040-4020(01)01138-3
https://doi.org/10.1016/s0040-4020(01)01138-3
Publikováno v:
Tetrahedron Letters. 42:6015-6018
A new approach to synthesize ‘carba’ Ψ[CH 2 CH 2 ] dipeptides, e.g. Boc- d -Phe-Ψ[CH 2 CH 2 ]- l -Arg(NO 2 )-OH and Boc- d -Phe-Ψ[CH 2 CH 2 ]- d -Arg(NO 2 )-OH, is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::718a71f51022a883220320c63bf9fd7f
https://doi.org/10.1016/s0040-4039(01)01183-2
https://doi.org/10.1016/s0040-4039(01)01183-2
Publikováno v:
Organic Letters. 3:2505-2508
[structure: see text] The total synthesis of the tetracyclic alkaloids stemonamide (1) and isostemonamide (2) is presented. The key step is the reaction between a silyloxyfuran and an N-acyliminium ion. The second quaternary center is created by an i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::baffa03ebf0818a711cb4bfeb5f07ddc
https://doi.org/10.1021/ol010106e
https://doi.org/10.1021/ol010106e
Publikováno v:
Tetrahedron Letters. 41:843-846
Enantiomerically pure 15-deoxoclerocidin (14), 15-dihydro-12-O-formylclerocidin (19) and 12-O-formyl-15,20-tetrahydroclerocidin (18) were synthesized from a methyl-substituted Wieland Miescher ketone (3).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3946d2b0501802c8358c485d5648ca9
https://doi.org/10.1016/s0040-4039(99)02206-6
https://doi.org/10.1016/s0040-4039(99)02206-6
Publikováno v:
Tetrahedron Letters. 40:7901-7906
The synthesis and the allylic oxidation reaction of new benzosilacyclohexenes are described. The reactivity of these new cyclic β-silyl-α,β-unsaturated ketones in cycloaddition reactions, as well as in 1,4-addition reactions, is discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44dd508769c24980195296b0318a9dd9
https://doi.org/10.1016/s0040-4039(99)01494-x
https://doi.org/10.1016/s0040-4039(99)01494-x
Autor:
Andrew S. Kende, Min Zhong
Publikováno v:
Synthetic Communications. 29:3401-3407
A study on the synthesis of a benzaldehyde containing an ester function directly from tert-butyl 4-lithiobenzate was described. t-Butyl 4-bromobenzoate reacted with butyllithium at -78°C in THF, followed by immediate addition of DMF to give the desi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eeb8789109da5fd071885f517c215122
https://doi.org/10.1080/00397919908085967
https://doi.org/10.1080/00397919908085967