Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Thurpu Raghavender Reddy"'
Publikováno v:
Organic Letters. 21:9990-9994
Photoswitchable strategy for selective azidation of structurally diverse olefins under transition-metal-free conditions is reported. The unprecedented reactivity of trimethylsulfonium [bis(azido)iodate(I)] species under visible light allows radical a
Publikováno v:
Organicbiomolecular chemistry. 18(25)
Selective activation of “armed’ and ‘'disarmed” glycal donors enabling the stereo-controlled glycosylations by employing Cu(II)-catalyst as the promoter has been realized. The distinctive stereochemical outcome in the process is mainly influe
Publikováno v:
Organic & Biomolecular Chemistry. 16:1508-1518
An efficient and highly chemoselective iodination of alkynes using a sulfonium iodate(i) electrophilc reagent under metal-free conditions has been realized. The reactivity of sulfonium iodate(i) salt could be significantly diverse in the presence of
Publikováno v:
Organic & Biomolecular Chemistry. 14:7529-7543
Metal-free, molecular iodine-free direct 1,2-difunctionalization of unactivated alkenes has been reported. The sulfonium iodate(i) reagent efficiently promoted the intermolecular vicinal iodo-functionalization of a diverse range of olefins in a stere
Publikováno v:
European Journal of Organic Chemistry. 2016:291-301
A new sulfonium-salt-based iodine(I) reagent system for the vicinal functionalisation of glycals and enol ethers has been developed. The unprecedented iodine(I) complex, Me3SI(OAc)2, generated in situ from Me3SI and PhI(OAc)2, effectively promoted th
Publikováno v:
Journal of Carbohydrate Chemistry. 34:133-144
GRAPHICAL ABSTRACTA highly efficient and mild method for the synthesis of glycosyl sulfonamides and glycosyl amides from glycal has been described using Zn(OTf)2 as an economical and environmentally friendly catalyst. Various N-nucleophiles comprisin
Publikováno v:
RSC Advances. 5:28338-28343
A highly efficient C-glycosylation method was developed by using catalytic Zn(OTf)2 for the synthesis of 2,3-unsaturated C-glycosides. The scope of the protocol was well illustrated with different substituted glycals and nucleophiles comprising allyl
Publikováno v:
Tetrahedron. 70:9224-9229
An efficient, economical and mild protocol for the synthesis of 2,3-unsaturated- N -glycosides has been developed using ruthenium(III) chloride. The Ferrier azaglycosylation of glycals with various N -nucleophiles such as sulfonamides, benzamides, ca
Publikováno v:
Synlett. 25:1325-1330
Various acceptors including carbohydrates, amino acids, natural products, and hydroxylamine derivatives were coupled with 3,4,6-tri-O-acetyl- d -glucal in the presence of Cu(OTf)2 as catalyst. The protocol offers facile and efficient Ferrier glycosyl
Publikováno v:
RSC Adv.. 4:46327-46331
Ru-catalyzed synthesis of α-D-mannopyranosides from glucal is described via one-pot glycosylation–dihydroxylation reaction. This method is amenable to a variety of acceptors, including carbohydrate-derived and amino-acid containing alcohols to obt