Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Subban Ramesh"'
Autor:
Shung C. Wu, David J. Hart, Joong-Kwon Choi, Subban Ramesh, Chih Shone Lee, Deok Chan Ha, Shogo Atarashi, Daniel Kuzmich
Publikováno v:
Journal of the American Chemical Society. 119:6226-6241
Total syntheses of (±)-21-oxogelsemine (3) and (±)-gelsemine (1) are described. Free radical cyclizations play important roles in constructing the tricyclic core (40 → 41) and oxindole (93 → 96) substructures of the target alkaloids, and an iso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dd5bf42840bb54f7de0b8f7e0655b78
https://doi.org/10.1021/ja970089h
https://doi.org/10.1021/ja970089h
Autor:
Joong-Kwon Choi, Chih Shone Lee, Daniel Kuzmich, David J. Hart, Subban Ramesh, Shogo Atarashi, Deok Chan Ha, Shung C. Wu
Publikováno v:
ChemInform. 26
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b43c115b9bbb29f4cd3c064e4ba6b87
https://doi.org/10.1002/chin.199515264
https://doi.org/10.1002/chin.199515264
Autor:
Deok Chan Ha, Chih Shone Lee, Shogo Atarashi, David J. Hart, Shung C. Wu, Subban Ramesh, Daniel Kuzmich, Joong-Kwon Choi
Publikováno v:
ChemInform. 28
Total syntheses of (±)-21-oxogelsemine (3) and (±)-gelsemine (1) are described. Free radical cyclizations play important roles in constructing the tricyclic core (40 → 41) and oxindole (93 → 96) substructures of the target alkaloids, and an iso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3670764122b3c78915e3f82782dc6f7b
https://doi.org/10.1002/chin.199742265
https://doi.org/10.1002/chin.199742265
Autor:
Subban Ramesh, Richard W. Franck
Publikováno v:
Tetrahedron: Asymmetry. 1:137-140
A stereochemically unambiguous synthesis of (+)-asperlin from L-rhamnose establishes the configuration of the antibiotic as 4S, 5S, 6S, 7R.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a646e81ec7c85f419589265b24428818
https://doi.org/10.1016/s0957-4166(00)82363-0
https://doi.org/10.1016/s0957-4166(00)82363-0
Publikováno v:
The Journal of Organic Chemistry. 55:5-7
Synthese d'«O»-aryl (ou «O»-alkyl ou O-hexofuranosyl)-1 S-phenyl (ou methyl) tri-O-benzyl-3,4,6 thio-2 hexopyranosides a partir de glucals (desoxy-3 ou non), de dimethyl methylthio sulfonium (ou de diphenylthio phenyl sulfonium) et d'aryl tributy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64681c227da3bc59eaaad10510ae950c
https://doi.org/10.1021/jo00288a003
https://doi.org/10.1021/jo00288a003
Autor:
Subban Ramesh, Richard W. Franck
Publikováno v:
ChemInform. 21
A stereochemically unambiguous synthesis of (+)-asperlin from L-rhamnose establishes the configuration of the antibiotic as 4S, 5S, 6S, 7R.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd08599cb7b37dd0fe91fd4a277c3b3b
https://doi.org/10.1002/chin.199032299
https://doi.org/10.1002/chin.199032299
Autor:
Joong-Kwon Choi, Deok Chan Ha, Shogo Atarashi, David J. Hart, Daniel Kuzmich, Subban Ramesh, Chih Shone Lee, Shung C. Wu
Publikováno v:
Journal of the American Chemical Society. 116:6943-6944
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd0c72ffd93cdeb91e308ef862c68723
https://doi.org/10.1021/ja00094a062
https://doi.org/10.1021/ja00094a062
Publikováno v:
The Journal of Organic Chemistry. 53:6022-6030
Synthese a partir d'acide tartrique via l'addition de phenyl-5 pentyne-4 ol-1 et de diacetoxy-3,4 succinimide et la cyclisation par AIBN/SnBu 3 H de diacetoxy-3,4 phenyl-5' pentyne-4' yl-1 phenylthio-5 pyrrolidone-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87bb64370ce455255e4f33fe76ceaf52
https://doi.org/10.1021/jo00261a007
https://doi.org/10.1021/jo00261a007
Publikováno v:
Tetrahedron Letters. 23:2243-2246
An efficient synthesis of a 2,9-dioxabicyclo[3.3.1]nonane system, similar to that of tirandamycin, is accomplished from 2,3-dimethylfuran.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::527e7eafe51e7b8ca064d6b63d28af39
https://doi.org/10.1016/s0040-4039(00)87311-6
https://doi.org/10.1016/s0040-4039(00)87311-6
Publikováno v:
Journal of the American Chemical Society. 107:5219-5224
Synthese via l'addition du dianion de la diethoxyphosphorylacetyl-3 pyrrolidinedione-2,4 et de l'epoxy-7,8 [formyl-3' methyl-1' butene-2'yl]-3 trimethyl-1,4,8 dioxa-2,9bicyclo [3.3.1] nonanone-6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb8c8c8e81fe913442ec94f1a3342782
https://doi.org/10.1021/ja00304a031
https://doi.org/10.1021/ja00304a031