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Sanchay Jyoti Bora, Speaker at Chemical Engineering Conferences
Pandu College, India
Title : Trinuclear Microporous Coordination Polymers as Catalysts for Oxidation of Arylboronic Acids into Phenols


Two isostructural trinuclear coordination polymers (CPs) have been synthesized, characterized and successfully applied as robust heterogeneous catalysts for the oxidation of arylboronic acids into phenols with aqueous hydrogen peroxide (H2O2). The microporous CPs with formulation [M3(bpdc)6(bipy)2].2DMF.2H2O [M = Zn and Mn] are analogous because these two species differ only on the basis of the metal ions present in them and may be termed as isostructural. Each structure consists of two crystallographically distinct M2+ (M1 & M2) centers that are connected via carboxylate bridges from six bpdc  ligands, generating a trinuclear metal cluster, [M3(bpdc)6(bipy)2]. Cluster representation of the structure resulted in the interpenetrated net of the rare hex topological type.  
Various substituted aryl and hetero arylboronic acids RB(OH)2 [R = phenyl, 3-trifluoromethyl, 4-cyanophenyl etc.] underwent ipso-hydroxylation smoothly at room temperature to provide corresponding phenols in excellent yields. The main advantages of this protocol are the aqueous medium reaction, heterogeneous catalytic system, and short reaction time with excellent yields. All these and other results will be discussed.


Academic Qualification    
Ph. D. (2010)     Title: Synthesis, Structure and Properties of  Some Supramolecular Coordination  Solids), Gauhati University, Guwahati (Assam).
M. Sc. (2001)    Chemistry (Inorganic Chemistry) with Bioinorganic Chemistry and Analytical Chemistry as special papers, Gauhati University, Guwahati (Assam).
B. Sc.  (1999)     Chemistry (Honours), Physics and Mathematics, Dibrugarh University (Assam)
Other Qualification    
GATE    Graduate Aptitude Test for Engineering (GATE), 2003. Percentile Score: 86.79
NET    CSIR-UGC National Eligibility Test (NET), LS (Lectureship) June, 2003.
NET    CSIR-UGC National Eligibility Test (NET), JRF-CSIR (Junior Research Fellow-CSIR) December, 2003.
Research Projects    
(2014-2017)    Title “Synthesis of Porous Coordination Polymers (PCPs) and Their Application in Shape-selective Catalysis”
(2012-14)    Title “Synthesis and Properties of Metal Organic Frameworks (MOFs) Based on Transition Metal Carboxylates.”