Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Girija Prasad Mishra"'
Publikováno v:
Tetrahedron. 72:1838-1849
An efficient and common method for the synthesis of 5a-carba-α- d -mannopyranose 5, 5a-carba-β- d -mannopyranose 6, (+) methyl shikimate 9, (+) methyl-5-epi-shikimate 10, validamine analogue 15 and valiolamine analogue 16 from d -mannose, formal sy
Publikováno v:
Tetrahedron Letters. 54:2845-2848
An efficient approach for the synthesis of (+) pentenomycin and (−) pentenomycin from d -ribose and d -mannose, respectively, is described using Tebbe olefination of lactones 9 and 7 followed by Me 2 AlCl induced disfavoured 5 -(enol-endo)-exo-trig
Publikováno v:
Tetrahedron: Asymmetry. 23:1161-1169
A common method for the synthesis of 4a-carba-β- l -lyxofuranose and 4a-carba-β- l -arabinofuranose from d -mannose and 2,2,5-trimethyl-3a,6a-dihydro-cyclopenta[1,3]dioxol-4-one from d -ribose is described using catalytic Nozaki-Hiyama-Kishi (NHK)
Publikováno v:
Tetrahedron: Asymmetry. 22:812-817
An efficient method for the syntheses of cyclopentitols from d -ribose is described using Nozaki–Hiyama–Kishi conditions and ring closing metathesis. In this transformation ω-deoxy-ω-iodo ribofuranoside undergoes reductive elimination in the pr
Publikováno v:
ChemInform. 47
A direct installation of a methyl phosphoramidate group by using methyl benzylphosphoramidochloridate into carbohydrates and amino acid is described. This one-step synthesis is efficient for both primary and secondary alcohols and exhibited excellent
Publikováno v:
Organicbiomolecular chemistry. 13(36)
A direct installation of a methyl phosphoramidate group by using methyl benzylphosphoramidochloridate into carbohydrates and amino acid is described. This one-step synthesis is efficient for both primary and secondary alcohols and exhibited excellent
Autor:
Cheng-Chung Wang, Chun-Cheng Lin, Chiao-Chu Ku, A. Abragam Joseph, Ved Prakash Verma, Chun-Wei Chang, Vijay M. Dhurandhare, Girija Prasad Mishra
Publikováno v:
ChemInform. 46
A simple method for preparation of per-O-trimethylsilylated amino sugars with unprotected amines is developed.
Autor:
Vijay M. Dhurandhare, Chun-Wei Chang, Ved Prakash Verma, A. Abragam Joseph, Cheng-Chung Wang, Chun-Cheng Lin, Chiao-Chu Ku, Girija Prasad Mishra
Publikováno v:
Chemical communications (Cambridge, England). 51(1)
A highly efficient CH3CN-promoted hexamethyldisilazane per-O-trimethylsilylation of amino sugars was developed. Its applications in homogenous N-functionalisation and a concise synthesis of glucosamine 6-phosphate are described.
Publikováno v:
ChemInform. 39
A new, efficient and highly diastereoselective approach for the synthesis of 1,2,3,5-tetraacetylcarba-α-D-lyxofuranose14 from D-ribose is reported via one-pot conversion of 5 to 1 using Tebbe reagent which involves a cascade reaction sequence of met
Publikováno v:
Chemical Communications. :3423
A new, efficient and highly diastereoselective approach for the synthesis of 1,2,3,5-tetraacetylcarba-α-D-lyxofuranose14 from D-ribose is reported via one-pot conversion of 5 to 1 using Tebbe reagent which involves a cascade reaction sequence of met