Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Narayan G. Bhat"'
Autor:
Narayan G. Bhat, Maria Villarreal
Publikováno v:
Asian Journal of Organic & Medicinal Chemistry. 5:161-163
1-Trimethyl-1-germylalkynes were synthesized by deprotonation of terminal alkynes with n-butyl lithium at low temperature followed by treatment with trimethylgermyl chloride under nitrogen atmosphere. The reagent system Cp2ZrCl2/2EtMgBr converts 1-tr
Publikováno v:
Asian Journal of Organic & Medicinal Chemistry. 5:171-173
(Z)-1-Bromo-1-alkenylboronate esters were easily synthesized from the hydroboration of terminal alkynes with dibromoborane dimethyl complex under nitrogen atmosphere followed by treatment with propne-1,3-diol. These boronate esters are readily reacte
Autor:
Narayan G. Bhat, Reshma A. Lakhiani
Publikováno v:
Asian Journal of Organic and Medicinal Chemistry. 2:78-80
Publikováno v:
Asian Journal of Organic and Medicinal Chemistry. 1:109-111
Publikováno v:
Asian Journal of Organic and Medicinal Chemistry. 1:106-108
Autor:
Narayan G. Bhat, Guddadarangavvanahally K. Jayaprakasha, Bhimanagouda S. Patil, Kranthi K. Mandadi
Publikováno v:
Zeitschrift für Naturforschung C. 62:179-188
Citrus limonoids have shown to inhibit the growth of cancer in colon, lung, mouth, stomach and breast in animal and cell culture studies. For the first time in the present study, an attempt has been made to isolate antioxidant fractions and five limo
Autor:
Claudia P. Aguirre, Narayan G. Bhat
Publikováno v:
Tetrahedron Letters. 41:8027-8031
Two simple procedures for obtaining (Z)-2-(1-trimethylsilyl-1-alkenyl)-1,3,2-dioxaborinanes based on 1-trimethylsilyl-1-alkynes are described. In the first procedure, 1-trimethylsilyl-1-alkynes are hydroborated with diisopinocampheylborane to provide
Publikováno v:
Tetrahedron Letters. 41:6541-6544
A convenient, novel synthesis of β-ketosilanes based on ( Z )-1-bromo-1-alkenylboronate esters is developed. α-Bromo-( Z )-1-alkenylboronate esters readily available using literature procedures smoothly undergo a reaction with trimethylsilylmethyll
Autor:
Narayan G. Bhat, Mary A. Villanueva
Publikováno v:
Journal of Organometallic Chemistry. 691:1298-1300
(Z)-1-trimethylsilyl-1-alkenes easily prepared by the hydroboration of the corresponding 1-trimethylsilyl-1-alkynes followed by protonolysis with acetic acid, readily react with dichloroborane–dioxane complex in dichloromethane for 6 h. The resulti
Publikováno v:
Tetrahedron Letters. 46:5109-5111
A novel procedure for preparing heterocyclic compounds such as (Z)-2-(1-trimethylgermyl-1-alkenyl)-1,3,2-dioxaborinanes based on 1-trimethylgermyl-1-alkynes is described. 1-Trimethylgermyl-1-alkynes easily obtainable by deprotonation of 1-alkynes wit