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ORGANIC SPECTROSCOPY

Read all about Organic Spectroscopy on ORGANIC SPECTROSCOPY INTERNATIONAL 

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with AFRICURE PHARMA, ROW2TECH, NIPER-G, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Govt. of India as ADVISOR, earlier assignment was with GLENMARK LIFE SCIENCES LTD, as CONSUlTANT, Retired from GLENMARK in Jan2022 Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 32 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 32 PLUS year tenure till date Feb 2023, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 100 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 100 Lakh plus views on dozen plus blogs, 227 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 38 lakh plus views on New Drug Approvals Blog in 227 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc He has total of 32 International and Indian awards

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Continuous ruthenium-catalyzed methoxycarbonylation with supercritical carbon dioxide


 

Catal. Sci. Technol., 2016, Advance Article
DOI: 10.1039/C5CY01883H, Paper
Stefan Christiaan Stouten, Timothy Noel, Qi Wang, Matthias Beller, Volker Hessel
The methoxycarbonylation of cyclohexene with carbon dioxide over a ruthenium catalyst was realized in a micro flow system under supercritical conditions.
Continuous ruthenium-catalyzed methoxycarbonylation with supercritical carbon dioxide
The methoxycarbonylation of cyclohexene with carbon dioxide over a ruthenium catalyst was realized in a micro flow system under supercritical conditions. Instead of the toxic and flammable carbon monoxide, this process utilizes carbon dioxide, thereby avoiding issues with bulk transportation of carbon monoxide as well as eliminating the need for safety precautions associated with the use of carbon monoxide. Obtained was a 77% yield of the ester product at 180 °C, 120 bar and with a 90 min residence time, which is over five times faster than for the same reaction performed under subcritical conditions in batch. An important factor for the performance of the system was to have a sufficiently polar supercritical mixture, allowing the catalyst to dissolve well. The optimal temperature for the reaction was 180 °C, as the activity of the system dropped considerably at higher temperatures, most likely due to catalyst deactivation.

Department of Chemical Engineering and Chemistry

ir. S.C. (Stefan) Stouten –

Stouten, ir. S.C.
Address:
Technische Universiteit Eindhoven
P.O. Box 513
5600 MB EINDHOVEN
Department:
Department of Chemical Engineering and Chemistry
Section:
Micro Flow Chemistry and Process Technology
Positioncategory:
doctoral candidate (PhD) (PhD Stud.)
Position:
doctoral candidate
Room:
STW 0.
Email:
s.stouten@tue.nl

 

 

 

Volker Hessel

prof.dr. V. (Volker) Hessel

Hessel, prof.dr. V.
Address:
Technische Universiteit Eindhoven
P.O. Box 513
5600 MB EINDHOVEN
Chair:
Micro Flow Chemistry and Process Technology
Department:
Department of Chemical Engineering and Chemistry
Section:
Micro Flow Chemistry and Process Technology
Positioncategory:
Professor (HGL)
Position:
Full Professor
Room:
STW 1.45
Tel:
+31 40-247 2973
Tel (internal):
2973
Email:
v.hessel@tue.nl

////////Continuous,  ruthenium-catalyzed,  methoxycarbonylation, supercritical carbon dioxide, flow reactor