Zobrazeno 1 - 10
of 26
pro vyhledávání: '"B. Chennakesava Reddy"'
Autor:
Harshadas M. Meshram, Vikas M. Bangade, Pramod B. Thakur, B. Chennakesava Reddy, B. Madhu Babu
Publikováno v:
Tetrahedron Letters. 54:4767-4771
An efficient regioselective synthesis of 3-aryl imidazo[1,2-a]pyridines, 5-aryl imidazo[2,1-b]thiazoles, and 3-aryl benzo[d]imidazo[2,1-b][1,3]thiazoles is described by the reaction of phenacyl bromide with heterocyclic amine in the presence of DABCO
Publikováno v:
Tetrahedron Letters. 53:3735-3738
A first total synthetic route has been reported for the synthesis of Phomolide G and H. The syntheses of fragments were initiated from commercially available and inexpensive starting material ( R )-epichlorohydrin. The synthesis involves a key Sharpl
Autor:
G. Santosh Kumar, B. Chennakesava Reddy, P. Ramesh Goud, R. Naveen Kumar, B. Prasad, Harshadas M. Meshram
Publikováno v:
Synthetic Communications. 42:1669-1676
An efficient and convenient synthesis of benzofurans has been described from phenacyl halides and o-hydroxy benzaldehyde in the presence of DABCO. The procedure is applicable for a variety of phenacyl halides and provide a variety of benzofurans. DAB
Publikováno v:
Tetrahedron Letters. 51:4313-4316
The catalyst-free one-pot synthesis of quinoxaline-2-carboxylate is reported by the reaction of α-halo-β-ketoesters with 1,2-diamines using an ionic liquid as an environmentally benign solvent. The recovered ionic liquid was reused for four to five
Publikováno v:
Synthetic Communications. 40:2122-2129
A simple and convenient one-pot synthesis of aryl alkyl ethers by the alkoxylation of aryl halides with alcohol in the presence of Triton B as a base is described. The procedure is applicable for a variety of aryl and heteroaryl halides, and yields a
Publikováno v:
Tetrahedron Letters. 51:2580-2585
An efficient and general method has been described for the synthesis of quinoxalines by the reaction of 1,2-diamines with phenacyl bromides in the presence of DABCO. The method is suitable for the preparation of functionalized quinoxalines.
Publikováno v:
Synthetic Communications. 40:39-45
An efficient and convenient synthesis of 3-indolyl-3-hydroxy oxindole is described by the reaction of isatin with indole in the presence of Triton B in an aqueous medium.
Publikováno v:
Synthetic Communications. 39:2297-2303
Alkylation of cyclic secondary amines, thiols, and pyridazinones has been demonstrated with alkyl halides using Triton B as base and reaction medium.
Publikováno v:
Chemistry Letters. 40:357-359
An efficient and general method has been described for the synthesis of 3-allyl-3-hydroxyoxindole by the reaction of isatins with allyltrimethylsilane in the presence of Bi(OTf)3·4H2O. The method i...
Publikováno v:
Tetrahedron Letters. 51:4020-4022
The first total synthesis of Botryolide B is described from easily accessible starting materials. The synthetic strategy involves Jacobsen resolution, Sharpless epoxidation, Swern oxidation, Yamaguchi reaction, and ring closing metathesis (RCM).