Zobrazeno 1 - 10
of 52
pro vyhledávání: '"V. P. Vaidya"'
Publikováno v:
E-Journal of Chemistry, Vol 8, Iss 1, Pp 354-360 (2011)
The starting material 3-nitro-2-acetylnaphtho[2,1-b]furan (2) was obtained by nitration of 2-acetylnaphtho[2,1-b] furan (1), under mild condition. The compound 1 was synthesized by the reaction of 2-hydroxy-1-naphthaldehyde with chloroacetone, where
Externí odkaz:
https://doaj.org/article/1b843971915347b1a0770fa1b086d5a5
Publikováno v:
E-Journal of Chemistry, Vol 5, Iss 3, Pp 567-571 (2008)
The title compounds (4a,b) were prepared by chloroacetylation of 2-acyl-3-aminobenzofuran(1a,b) and subsequent treatment with hexamethylene tetramine in ethanol via the complex salts (3a,b). Similar reaction with ethyl 3-aminobenzofuran-2 carboxylate
Externí odkaz:
https://doaj.org/article/2b40f5c00d894f07b67132f1329dd610
Publikováno v:
E-Journal of Chemistry, Vol 4, Iss 3, Pp 320-342 (2007)
4-Amino-5-aryl/heteroaryl substituted-3-mercapto-1,2,4-triazoles 3(a-d) were prepared from the corresponding aromatic carboxylic acids through a multi-step sequence. Compounds 3(a-d) were made to react with various aromatic/hetero aromatic acids and
Externí odkaz:
https://doaj.org/article/546114aaafb04c91b17f3bf926829fab
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 3, Pp o342-o342 (2013)
In the title compound, C14H14BrNO5, the ester group is disordered [occupancy ratio 0.52 (2):0.48 (2)]. The major component is nearly coplanar with the benzofuran plane, subtending a dihedral angle of 7.84 (2)°, while the amide group is twisted out o
Externí odkaz:
https://doaj.org/article/5e8d3903300a43e5a6b2d52363d1bad9
Autor:
M. Shet Prakash, P. A. Suchetan, K. M. Mahadevan, V. P. Vaidya, D. Velumurgan, B. S. Palakshamurthy
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 2, Pp o198-o198 (2013)
In the title compound, C15H11BrO3, the dihedral angle between the naphthofuran ring system (r.m.s. deviation = 0.022 Å) and the side chain is 4.50 (2)°. In the crystal, short Br...Br [3.4435 (7) Å] contacts propagating along [010] in a zigzag mann
Externí odkaz:
https://doaj.org/article/b530fdeffa8f4ff7aaff137b0bd8184d
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 7, Pp o2114-o2114 (2012)
In the title compound, C15H13NO3, there is intramolecular N—H...O hydrogen bond between the amino group and the ester carbonyl O atom and the dihedral angle between the aromatic ring and the ester group is 2.05 (15)°. In the crystal, molecules are
Externí odkaz:
https://doaj.org/article/f2222e8678424c4e859e500c23f3d3ba
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 12, Pp o3491-o3491 (2011)
In the title compound, C19H13NO4S, the molecule is twisted at the S atom with a C—S—N—C torsion angle of −65.2 (2)° between the benzene ring and the –SO2—NH—C=O segment. The dihedral angle between the benzene and the naphthofuran ring
Externí odkaz:
https://doaj.org/article/4bd8eb6617dd4a998fedba6464974d83
Publikováno v:
E-Journal of Chemistry, Vol 7, Iss S1, Pp S358-S362 (2010)
Ethyl-3-nitronaphtho[2,1-b]furan-2-carboxylate (2) has been synthesized from ethyl naphtha [2,1-b]furan-2-carboxylate (1). This nitro product on reaction with hydrazine hydrate formed 3-nitronaphtho [2,1-b] furan-2-carbohydrazide (3). Various Schiff
Externí odkaz:
https://doaj.org/article/362ee8653f57423ea48bad114ffe8beb
Autor:
R. N. Waghamare, A. M. Paturkar, V. M. Vaidya, R. J. Zende, Z. N. Dubal, A. Dwivedi, R. V. Gaikwad
Publikováno v:
Veterinary World, Vol 11, Iss 12, Pp 1682-1688 (2018)
Background and Aim: The extensive use of antimicrobials in poultry has led to an increase in bacterial multidrug resistance, and the emergence of multidrug-resistant nontyphoidal Salmonella is a global problem. This study was performed to detect anti
Externí odkaz:
https://doaj.org/article/7ac5e38395bf455d965a74b8edc32873
Autor:
E. Shruthi, S. Yallappa, N. M. Mallikarjuna, Talavara Venkatesh, B. L. Dhananjaya, V. P. Vaidya
Publikováno v:
ChemistrySelect. 8
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1283642aec4048ac868c6b8cfc1a736
https://doi.org/10.1002/slct.202204979
https://doi.org/10.1002/slct.202204979