Zobrazeno 1 - 10
of 29
pro vyhledávání: '"K. B. Shiva Kumar"'
Autor:
Jinkala, Rajesh1,2 (AUTHOR), K. B., Shiva Kumar1 (AUTHOR), Rapolu, Venkateshwarlu1 (AUTHOR), Satish P., Nikumbh1 (AUTHOR), Jammula, Subba Rao1 (AUTHOR), Vidavalur, Siddaiah2 (AUTHOR), Hindupur, Ramamohan1 (AUTHOR), Tadiparthi, Krishnaji3 (AUTHOR), Raghunadh, Akula1 (AUTHOR)
Publikováno v:
Synthetic Communications. 2022, Vol. 52 Issue 2, p258-267. 10p. 5 Diagrams, 1 Chart, 1 Graph.
Autor:
Rajesh Jinkala, Krishnaji Tadiparthi, Akula Raghunadh, K. B. Shiva Kumar, Rapolu Venkateshwarlu, Vidavalur Siddaiah, Hindupur Ramamohan
Publikováno v:
Polycyclic Aromatic Compounds. :1-10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39511cb6adb65040d799faadc0d062d6
https://doi.org/10.1080/10406638.2022.2083198
https://doi.org/10.1080/10406638.2022.2083198
Autor:
K. B. Shiva Kumar, M. K. Shyla
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789811358012
Information security and its research are getting significant, and therefore, the steganographic technique is used in high level to send data secretly using a cover image such that its presence cannot be detected. In his paper, an improved RGB image
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ff99db39ffc7eef579f4bfc83aad715
https://doi.org/10.1007/978-981-13-5802-9_99
https://doi.org/10.1007/978-981-13-5802-9_99
Publikováno v:
International Journal of Computer Applications. 19:35-40
The maintenance of privacy and secrecy of information in modern communication is accomplished through steganographic technique. Spatial domain techniques are popular ones in image steganography. In this paper, we propose hybrid steganography (HDLS) w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a4453ae18215a856c14f19d80a06c3f
https://doi.org/10.5120/2371-3121
https://doi.org/10.5120/2371-3121
Autor:
Gopaladasu T. Venkanna, V. Balasubrahmanyam, M. Lakshmi Kantam, K. B. Shiva Kumar, Suresh K. Bhargava
Publikováno v:
Synlett. 2009:1753-1756
An efficient method for the synthesis of benzoxazolesvia intramolecular cyclization of ortho -haloanilides using heteroge-neous copper fluorapatite catalyst is described. A variety of ortho -haloanilides (iodo-, bromo- and chloroanilides) were cycliz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9a2423e6071bce9ef237a88e9604ddd
https://doi.org/10.1055/s-0029-1217381
https://doi.org/10.1055/s-0029-1217381
Publikováno v:
Green Chemistry Letters and Reviews. 1:179-183
An efficient synthesis of β-keto-sulfones is described. The reaction of α-haloketones with sodium alkyl/aryl sulphinates in aqueous medium under microwave irradiation afforded the corresponding β-keto-sulfones in excellent yields.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e92fd71799a3d8e0b4d5872ec5d00f6
https://doi.org/10.1080/17518250802587873
https://doi.org/10.1080/17518250802587873
Autor:
V. Balasubrahmanyam, Bojja Sreedhar, M. Lakshmi Kantam, G. Venkateswarlu, Gopaladasu T. Venkanna, K. B. Shiva Kumar
Publikováno v:
Advanced Synthesis & Catalysis. 350:1497-1502
A facile synthesis of homoallylic alcohols is achieved by the allylation of aldehydes with allylic metal reagents or allyl halides using copper fluorapatite (CuFAP) as catalyst under mild reaction conditions. A variety of aldehydes were converted to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9b6c2b1dbf4d49abdaa16c427278c5a
https://doi.org/10.1002/adsc.200800159
https://doi.org/10.1002/adsc.200800159
Publikováno v:
Catalysis Communications. 8:991-996
A three-component coupling of aryl iodides, alkynes, and alkenes to generate 1,3-butadiene derivatives using layered double hydroxides supported nanopalladium (LDH-Pd 0 ) catalyst is described. LDH-Pd 0 was recovered quantitatively by simple filtrati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d348eb9979df73ba9013c1269a12a23d
https://doi.org/10.1016/j.catcom.2006.10.011
https://doi.org/10.1016/j.catcom.2006.10.011
Publikováno v:
Advanced Synthesis & Catalysis. 349:1141-1149
A fluorapatite-supported palladium catalyst (PdFAP) was synthesized by treatment of fluorapatite (prepared by incorporating the basic species fluoride ion into apatite in situ by co-precipitation) with bis(benzonitrile)palladium(II) chloride in aceto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e66a876f6a93e10bbd73b8064133972a
https://doi.org/10.1002/adsc.200600387
https://doi.org/10.1002/adsc.200600387
Publikováno v:
Synthetic Communications. 36:1809-1814
Zinc hydroxyapatite (ZnHAP) is an effective heterogeneous catalyst for the (2+3)‐cycloaddition of sodium azide with nitriles to afford 5‐substituted 1H‐tetrazoles in good yields. The catalyst is recovered and reused for several cycles with cons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51fb0d417d7960008bba0efbe5dd991b
https://doi.org/10.1080/00397910600619630
https://doi.org/10.1080/00397910600619630