Council of Scientific and Industrial Research

Shubhangi Bhalchandra Umbarkar

Mohan Keraba Dongare

Ankush Venkatrao Biradar

Atul Balasaheb Kulal

Amar Jaywant Deshmukh

Sonali Balasaheb Khomane

Trupti Vyankatesh Kotbagi

Ashvini Ramesh Bhosale

Macchindra Gulabrao Chandgude

Pavan M More

Dhananjay Shahauraj Doke

Mohan Kerba Dongare

Swati Laxmikantrao Pandhare

Vaibhav Ravindrakumar Acham

Samadhan Tanaji Lomate

The present invention discloses a process for nitration of benzene. More particularly, the present invention discloses an efficient, environmental friendly process for the nitration of benzene using a modified solid acid catalyst.

Nitration of benzene

The present invention disclosed an improved one pot, one step process for halogenation of compound of formula (II) to afford corresponding halogenated compound of formula (I) having improved yield and increased selectivity under very mild conditions.

One pot, one step process for the halogenation of aromatics using solid acid catalysts

Disclosed is a cheap and efficient non noble metal based catalyst for the oxidation of diesel or hydrocarbons, its synthesis and its application for diesel oxidation at low temperature. The catalyst comprises a mixed oxide of manganese and cerium, or manganese, cerium and zirconium. The catalyst has improved water and sulphur tolerance.

Non noble metal based diesel oxidation catalyst

Disclosed herein is a simple process for functionalization/grafting of carbon microspheres obtained from bagasse with various active functional groups onto it and use of the same as catalyst for various organic reactions, having very high selectivity and conversion rate.

Synthesis of functionalized carbon microspheres and their catalyst activity in C&#x2014;O and C&#x2014;N bond formation reactions

The present invention relates to a simple one step oxidative dehydrogenation process for the synthesis of alkyl pyruvate with 100% selectivity towards alkyl pyruvate comprising reacting an alkyl lactate in the presence of catalyst at the temperature ranging from 25-100&#xb0; C. for the time period ranging from 5 to 40 hours in an organic solvent and hydrogen peroxide to afford alkyl pyruvate.

Oxidative dehydrogenation of lactate esters to pyruvate esters

The present invention discloses an improved process for the liquid phase nitration of aromatic compounds catalyzed by WO3 supported on mesoporous silica support, at low temperature, with high conversion and selectivity.

Liquid phase nitration of aromatics using solid acid catalyst

The present invention relates to a process for hydrogenation of olefinic or acetylenic bonds. Further, the present invention relates to a process for selective hydrogenation of olefinic or acetylenic bonds and/including triglycerides using modified metal supported on solid acidic metal oxide catalyst and the process for the preparation thereof. The present invention provides a process for hydrogenation of olefinic or acetylenic bonds using metal supported on solid acid metal oxide based catalyst, at moderate conditions. The present invention also relates to the preparation of metal supported on solid acid metal oxide based catalyst for hydrogenation reactions under mild conditions.

Process for hydrogenation of olefinic or acetylenic bonds

The one step process of removal of chromophore/dye/organic pollutant from a solution comprising a polymer free titanium oxide gel i.e. high zeta potential is disclosed. The concentration of the chromophores is removed up to 95-100%.

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Pune, India

Shubhangi Bhalchandra Umbarkar