Rimi Roy

Assistant Professor

2011-2017: Ph.D. in Synthetic Organic Chemistry, Jadavpur University, Kolkata.

2008-2010: M.Sc. with Specialization in Organic Chemistry, Jadavpur University, Kolkata.

2005-2008: B.Sc. in Chemistry (Hons.), Jadavpur University, Kolkata.

• Recipient of Tushar Mahalanabis Memorial Medal for securing the highest position in 1st class with “Organic Chemistry” Specialization at the M.Sc. Final Examination in Chemistry, 2010.
• Recipient of Prof. Bidyut Kamal Bhattacharyya Memorial Medal for securing the highest marks in “Organic Chemistry” at the M.Sc. Part I and Final Examination in Chemistry, 2010.

I earned my Ph.D. in Synthetic Organic Chemistry from Jadavpur University. My thesis, “Synthetic Studies towards the Construction of Novel Organic Skeletons with the Exploration of Photophysical Behavior and Bioactivity,” focused on developing new molecular frameworks with functional applications.

In 2015, I joined Dinhata College, Cooch Behar, as Assistant Professor in Chemistry and alongside taught Organic Chemistry at the postgraduate level at Cooch Behar Panchanan Barma University. Since October 2018, I have been Assistant Professor of Chemistry at Presidency University.

Research Interest: To design and develop new synthetic methodologies to access various bioactive complex organic molecules as well as pharmacologically relevant molecular scaffolds.

PG Courses:

• CHEM0701 - Spectroscopy: Review of UV and IR spectroscopy, 1H NMR & 13C NMR Spectroscopy, Mass Spectrometry. 
• CHEM0801 - Natural products: Alkaloids & Terpenoids
• CHEM0903A - Chemistry of Natural Products (Synthesis and Biosynthesis).
• CHEM0991A (Advanced Organic Chemistry Lab) - Multistep organic synthesis, purification and characterization of the product by crystallization, TLC, PC, m.p/b.p. Characterization of organic compounds by spectroscopic means. Extraction and Purification of Natural products and Biomolecules.
• CHEM0992 (Research Based Lab) - Synthetic organic chemistry
• CHEM1001A - Synthesis of complex and biologically important molecules Applying Modern reagents and methodologies.
• CHEM1003 - Seminar/Review and Grand Viva
• CHEM1091 - Project dissertation
• CHEM1092 - Project presentation, defense and proposal

UG Courses:

• CHEM104MC01 - Physical effects, Electronic displacements: Inductive & Electromeric effect, Resonance & Hyperconjugation. Cleavage of bonds: Homolysis & Heterolysis. Structure, shape and reactivity of organic molecules: Nucleophiles & Electrophiles. Reactive Intermediates: Carbocations, Carbanions & Free radicals. Alkanes, Alkenes & Alkynes.
• CHEM104MC01-LAB(Organic Chemistry): Detection of Special elements; Separation of mixtures and Identification of organic compounds by TLC & PC.
• CHEM152C04 - Stereochemistry: Molecular Symmetry and Chirality, Stereoisomerism, Axial Chirality, Topocity, and Conformations of monocyclic compounds.
• CHEM152C04 LAB - Purification of organic compounds and determination of their melting points. Qualitative analysis of nitrogenous and non-nitrogenous functional groups for solid organic compounds. Preparation of derivatives of the functional groups
• CHEM02C3 - Stereochemistry, Cycloalkanes and Conformational analysis.
• CHEM154MC02 - Alcohols, Phenols, Ethers, Aldehydes and Ketones.
• CHEM154MC02 LAB(Organic Chemistry) - Purification of organic compounds by crystallization and distillation; Determination of melting and boiling points. Preparations: Bromination, Benzoylation, Oxime and 2,4-dinitrophenylhydrazones.

• CHEM03C6 - Alcohols, Phenols, Ethers & Epoxides, Organometallic compounds of Mg and Li.

• CHEM03C6 LAB - Functional group tests for alcohols, phenols, carbonyl and carboxylic acid group; Preparations: Acetylation, Benzoylation, Oxidation, Bromination, Nitration, Reduction, Hydrolysis, Semicarbazone, SBT, Aldol condensation, and Benzil-Benzilic acid rearrangement. 

• CHEM03GE3.1 LAB(Organic Chemistry): Qualitative Analysis of organic compounds and preparation of one derivative; Separation of amino acids by PC; Determination of the concentration of glycine solution by formylation method; Titration curve of glycine; Action of salivary amylase on starch and Effect of temperature on it; Differentiation between a reducing and a nonreducing sugar.

• CHEM04C9 - Alkaloids and Terpenes
• CHEM04SEC2.2: Pharmaceutical Chemistry

• CHEM05C11 - Pharmaceutical Compounds: Structure and Importance

• CHEM06DSE3.9 - Carbocycles

• CHEM06DSE3.9 LAB - Preparation of organic molecules using Grignard reagent, Aldol condensation, Michael reaction, Esterification and Diel-Alder reaction.

M.Sc. Students Details:

13. Subham Banerjee (currently working)

12. Buddhadeb Pandit (Teacher at Vasantrao Naik Government Institute Of Arts And Social Sciences)

11. Dechen Sherpa

10. Sabysachi Ahamed (Ph.D. Scholar at Visva-Bharati University)

9. Sudipa Dhali (Sister Nivedita University (SNU))

8. Soumoshree Sengupta (Ph.D. student in Trinity College Dublin)

7. Bhaskar Sadhu (Ph.D. Scholar at IISER Berhampur)

6. Souradeep Chatterjee

5. Ipsita Goswami

4. Susmita Mandi

3. Amit Patra

2. Ranjit Das

1. Soumili Roy (Ph.D. scholar at IISER Kolkata)

B.Sc. Students Details:

7. Shreya Khushi Toppo (St. Xavier's College) 

6. Shreya Roy (Scottish Church College (SCC))

5. Ritika Bhunia (Scottish Church College (SCC))

4. Basundhara Chakraborty (Scottish Church College (SCC))

3. Shreejita Chakrabarti (Scottish Church College (SCC))

2. Debanjani Deb (St. Xavier's College)

1. Disha Maity (St. Xavier's College)

1. Recent Progress in the Molecular Engineering of Excited-State Intramolecular Proton Transfer-Based Aggregation-Induced Emission Luminogens for Cation, Anion, and Biological Sensing Applications. Ankit Kumar Dubey, Rimi Roy*, Soumyadipta Rakshit*. ChemPlusChem, 2026, 91, e202500668. 

2. A Grignard-mediated route to access 4-substituted-3-E-styryl-2H-chromenes: alternate extrinsic FRET probes to explore the IIA and IIIA subdomains of serum proteins. Soumyadipta Rakshit*, Sanjay Bhar, Rimi Roy*. RSC Adv., 2026,16, 4750-4765.

3. Non-enzymatic electrochemical glucose sensing by Cu2O octahedrons: elucidating the protein adsorption signature. Soumyadipta Rakshit, Srabanti Ghosh, Rimi Roy, Subhash Chandra Bhattacharya*. New J. Chem. 2021, 45, 628–637.

4. A colorimetric and turn-on fluorescent chemosensor for selective detection of Hg2+: theoretical studies and intracellular applications. Rimi Roy, Soumyadipta Rakshit, Sanjay Bhar*, Subhash Chandra Bhattacharya*. RSC Adv. 2015, 5, 67833–67840.

5. Substituted 3-E-Styryl-2H-chromenes and 3-E-Styryl-2H-thiochromenes: Synthesis, Photophysical Studies, Anticancer Activity, and Exploration to Tricyclic Benzopyran Skeleton. Rimi Roy, Soumyadipta Rakshit, Tanmoy Bhowmik, Sagar Khan, Avishek Ghatak, Sanjay Bhar*. J. Org. Chem. 2014, 79, 6603−6614.

6. Eco-friendly synthesis of 2-aryl-1-arylmethyl-1H-benzimidazoles using alumina-sulfuric acid as a heterogeneous reusable catalyst. Amit Pramanik, Rimi Roy, Sagar Khan, Avishek Ghatak, Sanjay Bhar*. Tetrahedron Lett. 2014, 55, 1771–1777.

7. Cyanuric chloride–dimethylformamide mediated cleavage of cyclopropylcarbinols–synthesis of phenolic antioxidant and construction of a new vinylcyclopropane skeleton. Sagar Khan, Sanchita Roy, Rimi Roy, Avishek Ghatak, Amit Pramanik, Sanjay Bhar*. Tetrahedron Lett. 2014, 55, 5019–5024.

8. Chemoselective and ligand-free synthesis of diaryl ethers in aqueous medium using recyclable alumina-supported nickel nanoparticles. Avishek Ghatak, Sagar Khan, Rimi Roy, Sanjay Bhar*. Tetrahedron Lett. 2014, 55, 7082–7088.

9. Unusual behaviour of dimethyl sulfoxide towards different alcohols in the presence of cyanuric chloride. Subrata Kumar Chaudhuri, Amit Pramanik, Rimi Roy, Sagar Khan, Avishek Ghatak, Sanjay Bhar*. J. Indian Chem. Soc. 2013, 90, 1773–1780.