Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Sagar Chakrabarti"'
Autor:
Rajesh Malhotra, Saumen Hajra, Sagar Chakrabarti, Tushar K. Dey, Sourav Basu, Swarup Dutta, Shantanu Dutta, Subho Roy, Krishna Babu Alapati
Publikováno v:
Tetrahedron. 69:8994-9000
Protection group of amino- and tethered o -arene functionality of 1,4-aryl-2-amino-1-butanol derived from l -serine dictates the cyclization mode under acidic conditions leading to reverse diastereoselectivity. N -Boc and acetal protected amino alcoh
Autor:
Sagar Chakrabarti, Shantanu Dutta, Rajib Ghosh, Sourav Basu, Saumen Hajra, Subho Roy, Tushar K. Dey, Sonika Asijaa, Rajesh Malhotra, Swarup Dutta, Amit Ghosh
Publikováno v:
European Journal of Organic Chemistry. 2013:772-780
A catalyst-free conjugate addition of indoles and pyrroles to 1,2-dihydro-3-nitronaphthalenes in water has been developed. A variety of indoles containing electron-rich and -deficient functional groups including aza-indoles and pyrroles reacted smoot
Autor:
Amit Ghosh, Rajesh Malhotra, Tushar K. Dey, Saumen Hajra, Swarup Dutta, Shantanu Dutta, Subho Roy, Rajib Ghosh, Sagar Chakrabarti, Sonika Asijaa, Sourav Basu
Publikováno v:
Advanced Synthesis & Catalysis. 354:2433-2437
A highly enantioselective (up to 91% ee) rhodium-catalyzed asymmetric addition of arylboronic acids has been achieved leading to the challenging dihydro-3-nitronaphthalenes using one equivalent of phosphoramidite ligand to rhodium catalyst. A concise
Autor:
Subho Roy, Swarup Dutta, Saumen Hajra, Rajib Ghosh, Amit Ghosh, Tushar K. Dey, Sourav Basu, Sagar Chakrabarti, Rajesh Malhotra
Publikováno v:
Tetrahedron: Asymmetry. 22:1522-1529
A scalable asymmetric synthesis of trans- 2-amino-6,7-dimethoxy-1-phenyltetralin 2 and its N -nosyl derivative 12 have been achieved from Garner aldehyde derived from easily available d -serine using a stereoselective PhMgBr addition, Wittig reaction
Autor:
Swarup Dutta, Saumen Hajra, Rajesh Malhotra, Subho Roy, Sourav Basu, Shantanu Dutta, Krishna Babu Alapati, Sagar Chakrabarti, Tushar K. Dey
Publikováno v:
ChemInform. 45
For the first time a divergent and scalable synthesis of the dimethyl ethers (II) and (VI) of the title compounds is described starting from L-serine derived materials.
Autor:
Swarup Dutta, Rajesh Malhotra, Sagar Chakrabarti, Tushar K. Dey, Amit Ghosh, Rajib Ghosh, Saumen Hajra, Subho Roy, Sourav Basu
Publikováno v:
Tetrahedron: Asymmetry. 24:341