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P. Chowdhury · SciRah

Researcher profile · Semantic Scholar

P. Chowdhury

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P. Chowdhury — researcher profile on SciRah

h-index: 11
Works: 38
Citations: 262

Most-cited papers

Guaianolides from Tricholepis glaberrima
A. Singhal, P. Chowdhury, Ramavatar Sharma, J. Baruah +1 more
198233 citations
Semantic Scholar
Microwave (MW) Energy in Enzyme Deactivation: Stabilization of Rice Bran from Few Widely Consumed Indigenous Rice Cultivars ( Oryza sativa L.) from Eastern Himalayan Range
A. Begum, J. Sarma, Preetismita Borah, P. M. Bhuyan +10 more
201519 citations
Semantic Scholar
A comparative study on free and bound phenolic acid content and their antioxidant activity in bran of rice (Oryza sativa L.) cultivars of Eastern Himalayan range
A. Begum, A. Goswami, P. Chowdhury
201518 citations
Semantic Scholar
Absolute stereochemistry of the cadinenes from
Vishunu S Shukla, N. C. Barua, P. Chowdhury, Ramavatar Sharma +2 more
198618 citations
Semantic Scholar
Synthesis of some new steroidal [16α,17α-d]-isoxazolines
P. Chowdhury, A. Das, P. Goswami
200517 citations
Semantic Scholar
A Simple Efficient Process for the Synthesis of 16-Dehydropregnenolone Acetate(16-Dpa) - A Key Steroid Drug Intermediate from Diosgenin
P. Chowdhury, J. Borah, M. Bordoloi, P. Goswami +3 more
201116 citations
Semantic Scholar
Expedited Baeyer-Villiger oxidation of steroidal ketones by microwave irradiation.
J. Borah, P. Chowdhury
2011Steroids16 citations
Semantic Scholar
A convenient synthesis of the side chain of loteprednol etabonate--an ocular soft corticosteroid from 20-oxopregnanes using metal-mediated halogenation as a key reaction.
P. Chowdhury, J. Borah, P. Goswami, A. Das
2011Steroids15 citations
Semantic Scholar
Ceric ammonium nitrate (CAN)—a useful catalyst for the rapid and high-yield esterification of carboxylic acids and alcohols with special reference to steroid and other multi-functional natural products
P. Goswami, P. Chowdhury
200015 citations
Semantic Scholar
Steroid Hybrid Systems: New Molecular Entities with Potential Therapeutical Spectrum
Preetismita Borah, P. Chowdhury
201714 citations
Semantic Scholar
Microwave (MW) irradiated Ugi four-component reaction (Ugi-4CR): Expedited synthesis of steroid-amino acid conjugates--A novel class of hybrid compounds.
Preetismita Borah, J. Borah, P. Chowdhury
2015Steroids12 citations
Semantic Scholar
A new method for enol acetylation
P. Chowdhury, R. P. Sharma, J. N. Barua
198311 citations
Semantic Scholar
Ceric Ammonium Nitrate (CAN) Catalyzed Baeyer—Villiger Oxidation of Carbonyl Compounds, Specially 20‐Oxosteroids.
P. Goswami, S. Hazarika, A. Das, P. Chowdhury
200410 citations
Semantic Scholar
Ansa-Seco-Steroide
P. Chowdhury, A. Prelle, D. Schomburg, M. Thielmann +1 more
19878 citations
Semantic Scholar
Cyclotagitinin C and its transformations
P. Chowdhury, N. C. Barua, Ramavatar Sharma, J. N. Barua +3 more
19837 citations
Semantic Scholar
Microwave (MW) promoted high yield expedient synthesis of steryl ferulates--A class of novel biologically active compounds: A comparative study of their antioxidant activity with that of naturally occurring γ-oryzanol.
A. Begum, Preetismita Borah, P. Chowdhury
2016Steroids6 citations
Semantic Scholar
Microwave Energy in Ugi Four-Component Reaction (Ugi-4CR): Expedient Synthesis of Steroid-Peptide Conjugates Based on Aminosteroids - An Important Class of Hybrid Systems
Preetismita Borah, P. Chowdhury, A. Begum
20165 citations
Semantic Scholar
Chlorination of 20-Oxopregnanes with the Manganese Dioxide–Chlorotrimethylsilane/Acetyl Chloride System: A Simple Approach Towards the Construction of the Corticosteroid Side Chain
Parinita Borah, Moinuddin Ahmed, P. Chowdhury
19984 citations
Semantic Scholar
Chemical transformations of abundant natural products
P. Chowdhury
19814 citations
Semantic Scholar
Soft Glucocorticoids: Eye-Targeted Chemical Delivery Systems (CDSs) and Retrometabolic Drug Design: A Review
P. Chowdhury, J. Borah
20122 citations Open access
Semantic Scholar
Deoximation of Oximes to Carbonyl Compounds Through in situ Generation of Nitrosyl Chloride.
P. Goswami, P. Chowdhury
20012 citations
Semantic Scholar
MgI2×Et2O/TMSCl Induced Catalytic Isomerization of Isospirostanes to Furostenols.
P. Borah, P. Chowdhury
19982 citations
Semantic Scholar
Manganese Mediated Stereospecific Chlorination of Steroidal Olefins and Ketones.
P. Borah, P. Chowdhury
19972 citations
Semantic Scholar
A Mild and Chemoselective Deoxygenation of Ketones with Zinc and Hydrogen Chloride Generated in situ Using a Zinc-Aluminum Chloride Hexahydrate-Tetrahydrofuran-Water System.
P. Chowdhury, Parinita Borah
20101 citations
Semantic Scholar
Synthesis of some new steroidal [16alpha,17alpha-d]-isoxazolines.
P. Chowdhury, A. Das, P. Goswami
2005Steroids1 citations
Semantic Scholar
Chloro‐ or Bromo‐trimethylsilane Induced Rapid and Quantitative Acid‐Ester Conversion for Steroid Based Alcohols with Various Carboxylic Acids under Solvent Free Conditions.
P. Goswami, S. Hazarika, Parinita Borah, P. Chowdhury
20031 citations
Semantic Scholar
Acetoxylation reactions of 17α, 21-dichloro-20-oxopregnanes and their relatives
S. Hazarika, P. Goswami, P. Chowdhury
20031 citations
Semantic Scholar
Functionalisation at the C-16 Position of 16-Dehydro-20-Oxopregnanes (Steroid Drug Intermediates) via Vinyl Nitration with CAN–NaNO2–CH3CN System †
P. Goswami, P. Chowdhury
20021 citations Open access
Semantic Scholar
Ceric Ammonium Nitrate (CAN) — A Useful Catalyst for the Rapid and High‐Yield Esterification of Carboxylic Acids and Alcohols with Special Reference to Steroid and Other Multi‐Functional Natural Products.
P. Goswami, P. Chowdhury
20011 citations
Semantic Scholar
Reduction of Nitroarenes to Anilines with Zn-AlCl3 × 6H2O-THF- H2O System.
P. Goswami, P. Chowdhury
19971 citations
Semantic Scholar
Photocyclization of a heliangolide - a cyclodecadienone
P. Chowdhury, Ramavatar Sharma, J. Baruah
19841 citations
Semantic Scholar
Construction of a γ-Butyrolactone Moiety: A Facile Synthesis of 3β- Hydroxy-5,6-Dihydro-17β -Methoxy-Pregnan-21,16α-Carbalactone - a New D-Ring Fused Steroidal γ-Butyrolactone from an Abundant 20- Oxopregnane using Metal Mediated Halogenation as the Key Step
Preetismita Borah, A. Begum, S. Hazarika, P. Chowdhury
20150 citations
Semantic Scholar
An Efficient Method for the Extraction of Polyphenolics from Some Traditional Varieties of Rice of North-East India
A. Begum, A. Goswami, P. K. Goswami, P. Chowdhury
20120 citations
Semantic Scholar
Functionalization at the C‐16 Position of 16‐Dehydro‐20‐oxopregnanes (Steroid Drug Intermediates) via Vinyl Nitration with CAN—NaNO2—CH3CN System.
P. Goswami, P. Chowdhury
20030 citations
Semantic Scholar
Trimethylchlorosilane/Acetyl Chloride Induced Metal-Mediated Chemoselective Chlorination of 16-Dehydro-20-oxopregnanes.
S. Hazarika, P. Chowdhury
20010 citations
Semantic Scholar
Nitration of Steroidal Olefins with Sodium Nitrite.
P. Goswami, P. Chowdhury
19990 citations
Semantic Scholar
Ansa‐Seco Steroids.
P. Chowdhury, A. Prelle, D. Schomburg, M. Thielmann +1 more
19880 citations
Semantic Scholar
A SIMPLE, EFFICIENT METHOD FOR THE TRANSFORMATION OF MTM ETHERS INTO MEM, MOM AND EOM ETHERS
P. Chowdhury, D. Sarma, Ramavatar Sharma
19850 citations
Semantic Scholar

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