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Group News

2023

June 2023. "Interconnected Sn@SnO2 Nanoparticles as an Anode Material for Lithium-Ion Batteries" published in ACS Applied Nano Materials.

June 2023. "Balancing Lewis Acidity and Carbocation Stability for the Selective Deoxyhalogenation of Aryl Carbonyls and Carbinols" published in Organic Letters.

June 2023. "Alkylthialactonization: A novel protocol for access to either diastereoisomer of α-(thiomethyl)-γ-butyrolactones" published in Tetrahedron Letters.

May 2023. "Titanium-Mediated Reduction of Carboxamides to Amines with Borane–Ammonia" published in Molecules.

May 2023. Congratulations! Randy wins an undergraduate teaching award for the Spring Seminar!

May 2023. Congratulations! Shivani wins the HC Brown Seminar Award for Outstanding Spring Seminar!

March 2023. "Dehydroborylation of Terminal Alkynes Using Lithium Aminoborohydrides" published in Molecules as part of the Special Issue "New Developments in Boron Chemistry: From Oxidoborates to Hydrido(hetero)borane Derivatives – in Celebration of Professor John D. Kennedy’s 80th Birthday"

March. 2023. "Scalable, Green Synthesis of Heteroaromatic Amine-boranes" published in Organic Process Research & Development.

March 2023. Congratulations Dr. Choudhary! Shivani successfully defended her thesis.

February 2023. Shivani presented her seminar on the "Development of Amine-boranes and Derivatives for Reductive Amination."

January 2023. "Room Temperature Reduction of Titanium Tetrachloride-Activated Nitriles to Primary Amines with Ammonia-Borane" published in Molecules as part of the Special Issue "New Developments in Boron Chemistry: From Oxidoborates to Hydrido(hetero)borane Derivatives – in Celebration of Professor John D. Kennedy’s 80th Birthday"

2022

Nov. 2022. "A Safer Reduction of Carboxylic Acids with Titanium Catalysis" published in Organic Letters.

Sept. 2022. Monotrifluoroacetoxyborane-amines as new chemoselective reagents for reductive aminations published in Chemical Communications.

Sept. 2022. New, titanium catalyzed ketone hydroboration using ammonia-borane published in The Journal of Organic Chemistry.

Apr. 2022. New, tandem aminoborane and boronate ester synthesis published in ACS Omega.

2021

December: Our solvent-free reductive amination was recently highlighted by Organic Chemistry Portal.

November: Congratulations! Abdul and Randy both passed their OP.

November: Publication! New amine-borane synthesis method published in Dalton Transactions.

October: Welcome! Aman Singh, Priyanka Rout, and Madison Snyder join the group.

August: Publication! Experimental study of factors affecting hypergolic ignition of ammonia-borane published in the Journal of Propulsion and Power.

May: Congratulations Dr. Hamann! Henry successfully defended his thesis.

April: Publication! Ammonia-borane as a catalyst for the direct amidation of carboxylic acids published in Organic Letters.

February: Publication! Trimethyl borate-catalyzed, solvent-free reductive amination published in The Journal of Organic CHemistry.

2020
2019

November: Welcome! Haojie Li joins as a visiting scholar from Chongqing University.

November: Welcome! Randy Lin joins the group.

August: Welcome! Megan joins to perform undergraduate research.

August: Publication! Three-dimensional antimony nanochains for lithium-ion storage.

June: Welcome! S. N. Bose scholar Surkiti Mishra joins to perfor summer research.

May: Welcome! PURE students Abhirup Majumdar and Ronnie Mondal from IIT Bombay join for summer research.

May: Welcome! Aman Singh from Pune University joins for a summer fellowship.

April: Professor Ramachandran presented the H. C. Brown award at this year's ACS conference to Huw M. L. Davies.

January: Welcome! Megan and Muira join to perform undergraduate research.

2018

December: New collaboration! Began work with Prof. Daleem to discover new anti-biotic drug molecules.

December: Lectures. Prof. Ramachandran visits IIT Delhi, IIT Kanpur, Univ. Pune, and Kanchi Univ.

December: Congratulations! Prof. Ramachandran and family attend Ameya's wedding in Mumbai.

November: Welcome! Shivani Choadhary and Daniel Reddy join the group.

September: Hit! Hit molecules found with activity against n. gonorrhoeae.

August: Welcome! Devin and Karthik join to perform undergraduate research.

August: Submitted! First manuscript from the PUBnano group submitted.

July: Hit! Hit molecules found with activity against c. diff and MRSA.

June: New patent! PAtent application submitted, US Patent #9,988,402.

May: Fellowship! Henry Hamann recieves PRF fellowship for antibacterial work.

May: Congratulations Logan! For his undergraduate reserachfellowship Logan will be making anti- c. diff agents.

May: Welcome PURE students! Garima Chaudhary and Susnata Bhowmick will be working on anti-MRSA agents.

April: Professor Ramachandran presented the H. C. Brown award at this year's ACS conference to Gregory C. Fu.

January: Hit! Hitmolecules found with activity against c. diff and MRSA.

January: New group webpage! The new webpage went online today.

2017

December: New collaboration! Began work with Prof. Saleem to discover new anti-biotic drug molecules.

November: New publication! Our amine-borane synthesis is now an Organic Synthesis procedure.

August: PUBnano: Formation of the PUBnano group, consisting of Profs. Ramachandran, Pol, and Volkan.

June: New collaboration! Began work with Prof. Pol of Chemical Engineering to design better lithium ion batteries.

May: Congratulations Bredan on the summer internship. He will be spending his summer in Germany.

May: Congratulation Dr. Kulkarni! Ameya sucessully defended his thesis.

May: Welcome PURE students. Two students will be joining the lab over the summer as part of the PURE program.

May: Professor Ramachandran presented the H. C. Brown award at this year's ACS conference to Bruce H. Lipshutz.

April: Ameya at ACS. Ameya presents his work at this year's ACS confernce in San Francisco.

February: Ameya defends soon. Currently scheduled for April 2017.

February: Congratulation Dr. Drolet!Mike sucessfully defended his thesis.

2016

September: Purdue News: Discovery could lead to safer cheaper production of amine-boranes.

August: New publication! Our amine-borane synthesis is on the cover page of Chem. Comm.

August: New publication! Our hydroboration using amine-boranes is on the inside back voer of Chem. Comm.

August: PVR receieves presidential safety award.

August: PVR presented the Brown Award at the 2016 ACS awards banquet.

March: Local news WFLI; PVR reminisces about his mentor H. C. Brown in a TV interview.

2015

July: Purdue helps Ei-Ichi Negishi celebrate, and Organic CHemistry Frontiers releases a themed collection.

July: PVR is the program chair of the Negishi 80th Birthday Symposion and 8th Negishi-Brown Lectures.

July: PVR is the guest editor of Organic Chemistry Frontiers in celebration of the 80th birthday of Professor Ei-ichi Negishi.