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Channel: DR ANTHONY MELVIN CRASTO Ph.D – All About Drugs
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Anthony Melvin Crasto gets International award for Outstanding contribution...

Share: Conferred CMO Asia award 2018  singapore Shobha and Aishal crasto collect my International award for Excellence in Pharma by CMO ASIA 31st July 2018 | at an award function in Le Méridien...

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Development and Scale-Up of a Continuous Reaction for Production of an Active...

Share:  Flow reactor equipment that was used in the piloting of the aldol flow chemistry. (a) The tube-in-shell heat exchangers were used to control stream temperature upstream and downstream of the...

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Ethyl 4, 6-dichloro-1H-indole-2-carboxylate

Share:Ethyl 4, 6-dichloro-1H-indole-2-carboxylate ethyl 4,6-dichloro-1H-indole-2-carboxylate (1a) (2.70 kg, 99.5%). Mp 187–188 °C; HRMS (ESI) m/z [M – H]− calcd for C11H8NO2Cl2 255.9927, found...

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Process Development of Febuxostat Using Palladium- and Copper-Catalyzed C–H...

Share: There is significant interest in the development of process routes for active pharmaceutical ingredients using C–H arylation methodology. An efficient and practical synthetic route for...

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Crystallization

Share: Crystallization is the (natural or artificial) process by which a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal. Some of the ways by which...

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1-(4-Cyanophenyl)piperazine

Share: 1-(4-Cyanophenyl)piperazine 1-(4-Cyanophenyl)piperazine (1a).1 Isolated as a mixture of mono (1a) and di (3) arylated products ~9:1. Conversion: quantitative. Peaks attributed to 1a: 1H NMR (400...

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Development of an SNAr Reaction: A Practical and Scalable Strategy To...

Share: A simple and operationally practical method to sequester and remove fluoride generated through the SNAr reaction between amines and aryl fluorides is reported. Calcium propionate acts as an...

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A call to (green) arms: a rallying cry for green chemistry and engineering...

Share: A call to (green) arms: a rallying cry for green chemistry and engineering for CO2 capture, utilisation and storage Julien Leclaire*a  and  David J. Heldebrant*b   Author affiliations...

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3-fluoro-4- morpholinoaniline

Share: 3-fluoro-4- morpholinoaniline 1H NMR (400MHz, CDCl3)  6.82 (m, 1H, ArH), 6.43 (m, 2H, 2xArH), 3.87 (m, 4H, 2xCH2O), 3.58 (brs, 2H, NH2), 2.99 (m, 4H, 2xCH2N). 13C NMR (100MHz, CDCl3)  156.9 (d...

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4-(2-fluoro-4-nitrophenyl)morpholine

Share: 4-(2-fluoro-4-nitrophenyl)morpholine 1H NMR (400MHz, CDCl3)  8.03 (ddd J=1.0, 2.6 and 9.0Hz, 1H, ArH), 7.94 (dd J=2.6 and 13.1Hz, 1H, ArH), 6.94 (t J=8.7Hz, 1H, ArH), 3.90 (t J=4.7Hz, 4H,...

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2-amino-4-bromo-5-fluorobenzoic acid

Share:    2-amino-4-bromo-5-fluorobenzoic acid as a white to off-white crystalline solid 1H NMR (400 MHz, DMSO-d6) δ 7.62 (d, J=9.6 Hz, 1H), 7.21-6.5 (m, 3H), 3.8- 3.3 (br s, 1H). 13C NMR (100 MHz,...

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Quetiapine

Share: Quetiapine 1H NMR (400 MHz, CD3OD): δ = 3.18-3.27 (m, 4H), 3.35-3.44 (m, 3H), 3.56-3.58 (m, 3H), 3.67-3.69 (m, 3H), 3.76 (t, J = 5.2 Hz, 2H), 4.32 (s, 1H), 6.88 (td, J = 7.4 Hz, 1.2 Hz, 1H),...

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Kalyan Kumar Pasunooti, 5-Methylisoxazole-3-carboxamide-Directed...

Share: Palladium-catalyzed acetoxylation of the primary γ-C(sp3)–H bonds in the amino acids Val, Thr, and Ile was achieved using a newly discovered 5-methylisoxazole-3-carboxamide directing group. The...

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API, Impurities and Regulatory aspects

Share: The impurities in pharmaceuticals are unwanted chemicals that remain with the active pharmaceutical ingredients (APIs) or develop during formulation or upon aging of both API and formulation....

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Carbanio – a digital B2B platform to buy and sell Chemicals in India

Share:Hello All I have an exciting news which I want to share today. Couple of days ago, I was browsing on the internet to see if we can buy ready stock of Chemicals online, especially from Indian...

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Latest artificial glucose-binding receptor is best yet

Share: It’s a receptor that binds glucose strongly and with the highest selectivity yet. Could help with #diabetes treatment: http://ow.ly/EPzn30mDYjf  Read all at...

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Use of Lipase Catalytic Resolution in the Preparation of Ethyl...

Share: Here we describe an efficient and cost-effective chemoenzymatic synthesis of the β-lactamase inhibitor avibactam starting from commercially available ethyl 5-hydroxypicolinate hydrochloride....

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Anthony Crasto conferred ABPnews award for “Outstanding contribution to...

Share:  Conferred prestigious award at event ABP News Presents Healthcare Leadership Awards 26th November, 2018 at Taj Lands End, Mumbai India Dedicated to Shobha Crasto​ Aishal crasto Lionel crasto...

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Article 0

Share:  Sodium aluminate is presented as a highly active heterogeneous catalyst that is able to convert a range of alcohols into the corresponding unsymmetrical carbonate esters by reaction with...

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(1S,4R)-2-(4-Methoxybenzoyl)bicyclo[2.2.2]octa-2,5-diene

Share: (1S,4R)-2-(4-Methoxybenzoyl)bicyclo[2.2.2]octa-2,5-diene (3a) Yellow liquid (25.2 mg, 95% yield): 1H NMR (300 MHz, CDCl3)   1.39 (s, 4H, alkyl), 3.77-3.80 (m, 1H, alkyl), 3.85 (s, 3H, OMe),...

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