Page 179 - CW E-Magazine (11-6-2024)

PIONEERS IN GRIGNARD CHEMISTRY SINCE 1978 / 1200MT installed capacity Manufacturer of Special Report
Acid Chlorides: Acid Anhydrides: Grignard Reagents: FINE & SPECIALITY CHEMICALS
l Decanoyl Chloride l Propionic Anhydride l Methyl Magnesium Chloride/Bromide l Saccharin Insoluble
l Saccharin Sodium
l Undecanoyl Chloride l Hexanoic Anhydride l Phenyl Magnesium Chloride/Bromide l Para Toluene Sulphonyl Chloride
l Tert - Butyl Magnesium Chloride
l Isovaleryl Chloride l Heptanoic Anhyride l Ethyl Magnesium Bromide l Para Toluene Sulphonyl Amide A rapid wrap-up of what’s new in Operations,
l 2-Furoyl Chloride l Isobutyric Anhydride l Isopropyl Magnesium Chloride
2M in THF
l Pyrophosphoryl Chloride l N-Butyric Anhydride l Isopropyl Magnesium l Para Toluene Sulfonyl Urea Processes and Products
l Hexanoyl Chloride l Valeric Anhydride Chloride 1.3 M in THF (LiCL complex) l Para Carboxy Benzene Sulphonamide (PCBS)
l N-Butyryl Chloride Intermediates Personal care: l OTS/PTS Amide Mixture
l Novaguard EHG (Ethylhexyl Glycerine)
l Isobutyryl Chloride l 5-Ethylpyridine-2-Ethanol l Novaguard PE (Phenoxy ethanol) l Sodium Para Toluene Sulfinate (SPTS) Renewable Raw Materials
l Lauroyl Chloride l 2,4-Thiazolidine Dione l Novaguard CG (Caprylyl Glycol)
l Octanoyl Chloride l Isosorbide l Novaguard HG (1,2-Hexanediol) which results in tailored properties
l Novaguard DMI (Dimethyl Isosorbide)
l Heptanoyl Chloride l 1-Piperidine-1-Cyclohexene l Novaguard PG (1,2-Petanediol) A.S. CHEMOPHARMA PVT. LTD. and increased compatibility with other
Offi ce:
ANY SPECIALITY ACID CHLORIDES, GRIGNARD AND PERSONAL CARE INGREDIENTS PER REQUEST 6,1st Floor, Purshottam Bhavan, Issaji Street, Masjid, Mumbai-3 materials and even allowing barrier pro
novaPhene sPeCialiTies PvT lTd Works: perties. There are many challenges for
Plot No.46,MIDC Industrial Area, Morivali Section,
HO: 810, techno It Park, link road, eksar, Borivali (W), Mumbai - 400 092. Maharashtra. INDIA Ambernath (W), Dist. Thane Maharashtra 421 501. industrial implementation. (Angew. Chem.
Factory: unit 1: e-107 MIDC tarapur, Boisar, District Palghar, Maharashtra - 401 506. INDIA Contact: 9820082751 / 9137694270 Intl. Ed.; DOI: 10.1002/anie.202313945).
unit 2: N-27 MIDC tarapur, Boisar, District Palghar, Maharashtra - 401 506. INDIA Email: aschemopharma11@gmail.com / info@aschemopharma.com
tel: +91-7410092952 / 7249317534 w email: sales@novaphene.com w Web: www.novaphene.com Website: www.aschemopharma.com Catalytic cleavage of the
C-O bonds in L and L model
• ALUMINIUM CHLORIDE • BASIC CHROMIUM SULPHATE (BCS) thioglycolic acid 80%, 99% compounds by metal triflate
• BENZALDEHYDE • BORIC ACID • CAUSTIC POTASH FLAKES / LYE 3-Mercaptopropionic Acid 99% catalysts
• CAUSTIC SODA FLAKES / LYE • CHLOROFORM • COBALT SULPHATE Potassium thioglycolate
• DI METHYL SULPHATE (DMS) • GLYCERINE • HYDRO CHLORIC ACID Monoethanolamine thioglycolate R. Zhu et al have emphasised the impor-
tance of the effective cleavage of C-O
• HYDROGEN PEROXIDE • LIQUID CHLORINE • METHYLENE DI CHLORIDE (MDC) Diammonium Dithiodiglycolate bonds in linkages of L as a signifi cant
• PARA TOLUENE SULPHONIC ACID • PHOSPHORUS OXY CHLORIDE (POCL3) strategy to promote L valorisation. Metal
• PHOSPHORUS PENTA CHLORIDE (PCL5)• PHOSPHORUS TRI CHLORIDE (PCL3) Pentaerythritol-3-Mercaptopropionate trifl ate catalyst has been developed for
• POLY PHOSPHORIC ACID (PPA) • POTASSIUM CARBONATE GRANULES POWDER Polythiols
• PERMANGANATE CRYSTALS POWDER SOAP• SODIUM METHOXIDE POWDER Monothioglycerol 90, 98, NF
• SODIUM META BI SULPHITE • STEARIC ACID • SULPHUR GRANULES / POWDER Antioxidant for Polymers The chemical logic of enzymatic delignifi cation render L liquors with its
• SULPHURYL CHLORIDE • SULPHUR DI OXIDE • THIONYL CHLORIDE thiodipropionic Acid L (Lignin) degradation native chemical structure largely intact.
Jigs Chemical Limited 2-Sulfoethyl Methacrylate Then β-Zeolite catalytic depolymeri-
sation of these liquors leads to similar
206, 2 Floor, Sachet-II, Opp. GLS College, Nr. Maradia Plaza, T.D.H. Bugg has emphasised that if L monomer yields as the corresponding
nd
C. G. Road, Ahmedabad - 380009. Gujarat, India. For best prices, please contact: could be depolymerised effi ciently then
Mobile : 09824083666 / 9099003409 swan enterprise it becomes a highly valuable source of 1-step fractionation process. Higher
Email : mktg@jigschemical.com / sales@jigschemical.com KNS ADI Mob.: 07498166675 / 08291142569
Website : www.jigschemical.com Email: swanenterprise@gmail.com renewable aromatic chemicals. How- temperatures are preferred, as it pro- the above purpose. Carboxylic acid or
ever, this faces a lot of challenges. In motes faster delignifi cation. Pd/β-Zeo- alcohol could be used as the nucleophile
For your requirement oF the last 10 years identifi cation of new lite catalyst displays synergist effects. to stabilise the reactive intermediates
LIquID bROMINE bacterial enzymes has been reported and (ChemSusChem., 2024; DOI: 10/1002/ formed during the depolymerisation
Virgin & Recovered metabolic engineering can assist. This cssc.202301404). of L, and the corresponding ester/ether
PVC RESIN (K-57, K-65-67) paper discusses the chemical mechanism could be obtained. This catalyst is
of how enzymes and microbes work. L upconversion by functionali-
effective. (ChemSusChem., 2024; DOI:
Please contact:
Mangleshwar cheMicals High value products like vanillin can sation and network formation 10.1002/cssc.202301743).
Mumbai be made. (Chem. Commun., 2024; DOI:
Mobile: +91 9004585240 10.1039/D3CC05298B). S. Chandna et al have referred to the Structure sensitivity of the
mangleshwarchemicals@gmail.com high abundance of phenylpropanol units, electrochemical hydrogenation
2-step L-fi rst catalytic fractio- aromatic rings, and hydroxy groups that of cis-cis muconic acid (MA)
Anthranilic Acid nation with bifunctional Pd/ makes L an attractive feedstock. This to hexenedioic acid and adipic
Isatoic Anhydride β-Zeolite catalyst in a flow- mini-review covers L upconversion, acid (AA)
5 - Sulpho Anthranilic Acid through reactor focusing on its functionalisation through [MA is a well know product via biotrans-
Phthalimide 99% chemical and enzymatic routes; and its formation.]
Phenyl Hydrazine HCL A. Kramarenko et al have demonstrated application in L-based polymer resins,
Ishita Industries an additive and H -free two-step L-fi rst hydrogels, and nanomaterials. Various D.M. Patel et al have reported electro-
536, GIDC, Phase II, Vatva, Ahmedabad - 382 445. 2
Ph : +91 - 79 - 40083042 KNS ADI fractionation in fl ow-through. Solvolytic chemical groups have been considered, chemical production of AA from MA
Mobile : +91- 98250 60474 | +91- 99795 08254
E-mail: info@ishitaind.com • Website: www.ishitaind.com
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Chemical Weekly June 11, 2024 179

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