Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Sundaram Singh"'
Autor:
Himanshu Kumar Singh, Arsala Kamal, Savita Kumari, Dhirendra Kumar, Suresh Kumar Maury, Vandana Srivastava, Sundaram Singh
Publikováno v:
ACS Omega, Vol 5, Iss 46, Pp 29854-29863 (2020)
Externí odkaz:
https://doaj.org/article/af1c8b5933364e57acf06e7d49724377
Publikováno v:
Arabian Journal of Chemistry, Vol 12, Iss 7, Pp 1168-1175 (2019)
Rutile phase of TiO2 nanoparticles were readily prepared and identified as an efficient heterogeneous catalyst for the synthesis of a library of quinoxaline derivatives by condensation reaction of isatin derivatives with o-phenylenediamine under solv
Externí odkaz:
https://doaj.org/article/dda3ec8dfacf4d51adbab7a0d272be94
Autor:
Ambuj Kumar Kushwaha, Suresh Kumar Maury, Arsala Kamal, Himanshu Kumar Singh, Shikha Pandey, Sundaram Singh
Publikováno v:
Chemical Communications. 59:4075-4078
Photoredox C–N cross-coupling for the synthesis of hydrazones was developed through C(sp2)–C(sp3)–H functionalization of indole and methylarene using photocatalyst eosin Y, ethanol:water as a green solvent and atmospheric air as an oxidant.
Publikováno v:
RSC Advances. 13:15024-15030
The first electrochemical molecular iodine promoted, domino reactions for the green synthesis of biologically relevant dicyano 2-(2-oxoindolin-3-ylidene) malononitriles from readily available isatin derivatives and malononitrileat room temperature ha
Autor:
Sundaram Singh, Suresh Kumar Maury
Publikováno v:
Synthesis. 55:755-764
A simple, efficient, and green, one-pot four-component synthesis of spiro[indoline-3,4′-quinoline] derivatives has been developed from isatin, ethyl cyanoacetate/malononitrile, dimedone, and aniline using green catalyst DABCO and green solvent etha
Publikováno v:
Research on Chemical Intermediates.
Autor:
Sundaram Singh, Ambuj Kumar Kushwaha, Suresh Kumar Maury, Savita Kumari, Arsala Kamal, Himanshu Kumar Singh, Dhirendra Kumar
Publikováno v:
Synthesis. 54:5099-5109
A novel, efficient, mild, and inexpensive photocatalytic approach has been established for the visible-light-initiated oxidative coupling of indole and active methylene compounds using atmospheric air and water as an oxidant in the presence of Eosin
Autor:
Dhirendra Kumar, Suresh Kumar Maury, Savita Kumari, Arsala Kamal, Himanshu Kumar Singh, Sundaram Singh, Vandana Srivastava
Publikováno v:
Synthetic Communications. 52:424-432
Autor:
Arsala Kamal, Himanshu Kumar Singh, Suresh Kumar Maury, Ambuj Kumar Kushwaha, Vandana Srivastava, Sundaram Singh
Publikováno v:
Asian Journal of Organic Chemistry. 12
Autor:
Himanshu kumar Singh, Arsala Kamal, Suresh Kumar Maury, Ambuj Kumar Kushwaha, Vandana Srivastava, Sundaram Singh
Publikováno v:
Organic & Biomolecular Chemistry.
A cost-effective and competent approach has been established for the synthesis of N-heterocyclic pyrimido [4,5-b] quinolines and pyrido [2,3-d] pyrimidines via multicomponent reaction of 1,3 diketones (dimedone, barbituric acid and...