Page 159 - CW E-Magazine (27-5-2025)

Special Report

reconstruction of metallic (CoO) spe- including composition ratio of Cresol genases and proline-derived organo-
cies within the silica MFI zeolite (S-1) products. On basic X zeolite, the pre- catalysts. A one-pot tandem cascade
into CoOx clusters within silanol nests dominant products are O-alkylation. reaction to generate chiral β-hydroxy Bharat Jyoti Impex
to give durable performance at 520°C (Applied Catalysis A: General, 2025, ketones is reported. Thus substituted
giving equilibrium level conversion. 696, 25 April, 120168; DOI: 10.1016/j. benzaldehyde could be reacted AVAILABLE REGULARLY
(Angew. Chem. Intl. Ed., 2025; DOI: apcat.2025.120169). with acetone to give PrPhCH(OH)  Acetophenone  Acetyl Acetone  Acrylonitrile  Adipic Acid  Methyl Iso Propyl Ketone  Methyl Propyl Ketone
10.1002/anie.2025 05628). CH COCH (Chiral at OH). (Mole-  Allyl Alcohol  Allyl Chloride  Allylamine  Alpha-Methyl Styrene  Methyl Salicylate  Methyl Stearate  Methyl Stearate / Palmitate
3
2
Upgrading of PET to CHDM cular Catalysis, 2024, 569, December,  4 Amino Phenol  Amino Ethyl Ethanol Amine  2 Methyl THF  Methyl Tin Mercaptide  Mono Cyclohexylamine
Dehydrogenation of methyl (Cylohexanoldimethanol) over 114515; DOI: 10.1016/j.mcat.2024.  Amino Guanidine Bicarbonate  Anisole  Antimony Trioxide 99.8%  Mono Ethyl Amine 70%  Mono Isopropylamine 70% / 99%
 Monoglyme  N Butyraldehyde  N Ethyl Pyrrolidone
 Azelaic Acid  Barium Carbonate  Barium Nitrate 99%
glycolate (MG) to methyl base metal catalyst via tandem 114515).  1,2,3-Benzotriazole  1,2,3 Benzotriazole 99.5%  N Pentane 95%  N Vinyl Pyrrolidone
glyoxylate (MGO) over a Cu/ processes  Benzoyl Chloride [99.5%] China  Biphenyl  N,N Dimethyl Cyclohexylamine  N,N-Dicyclohexyl Carbodiimide
SiO catalyst Synthesis and performance of  Boron Trifluoride Etherate  1,3-Butane Diol  N,O-Bis (Tri Methyl Silyl) Acetamide
 NACOL 10-99% (N Decanol) SASOL Germany
 1,4 Butane Diol [DAIREN]  2 Butyne 1,4 Diol
2
W. Ren et al have worked on convert- biobased surfactants prepared  Caproic Acid  Cerium Oxide  Cesium Carbonate  NACOL 6 99% (N Hexanol)  NACOL 8 99% (N Octanol)
MGO is required for effi cient and ef- ing PET waste via methanolysis to by the one-pot reductive  Cetyl Chloride  CIS-2-Butene-1,4-Diol  Crotonic Acid  N-Amyl Alcohol (N-Pentyl Alcohol)  N-Butyl Amine
fective synthesis of various high value- DMT and then to CHDM. The overall amination of L-Arabinose  Cyanuric Chloride  Cyclohexanol  Cyclopentanone  N-Decanol  N-Heptane 99%  N-Hexane 99%
added chemicals such as glyoxylic CHDM yield reached 90.2% via PET- (LA) and D-Galacturonic acid  Cyclopropylamine  D - Tartaric Acid  D-Camphor Sulphonic Acid  N-Hexyl Alcohol (99% & 98%)  Nitro Ethane
 Di Cyclohexylamine  Di Ethyl Ketone  Di Ethyl Malonate
 Nitro Methane  N-Methyl 2 Pyrolidone  N-Methyl Piperazine
acid, cyclandelate and quinalphos DMT-DMCD-CHDM path. A NiLa-40 (DG)  Di Ethyl Sulphate  Di Iso Butyl Ketone [DIBK]  N-Pentane 99%  1-Octanol (C8)  1-Octene
MGO, etc. Z. Gong et al have reported wt% catalyst was effi cient for DMT  Di Methyl Acetamide [Henan Junhua]  Di Methyl Malonate  Ortho Chloro Benzaldehyde  Para Benzoquinone
the title reaction which allows 38.5% hydrogenation to DMCD. Further, a L.M. Jansen et al have reported the  Di Phenyl Carbonate  Di Sodium Phosphate Anhydrous  Para Chlorobenzaldehyde  Para Cresol
of MG and 79% MGO selectivity at Cu1Fe1Al0.5 catalyst was eff ective in title conversion based on sugar beet  2,4 Di Tertiary Butyl Phenol  Dibasic Ester  Para Hydroxybenzaldehyde  Paraformaldehyde 96%
 Pelargonic Acid  Perchloric Acid
 DIBOC (Di Tert. Butyl Dicarbonate)
400°C. converting DMCD to CHDM. Thus, pulp (SBP) monosaccharides, LA and  Dibromomethane (Methylene Di Bromide)  Dicyclopentadiene  Petroleum Ethers 40-60 / 60-80 / 80-100 / 100-120 etc.
precious metal catalysts have been DG. This conversion allows the intro-  Di-Ethyl Carbamyl Chloride  Diethyl Hydroxylamine  Phenyl Ethyl Alcohol  Phenyl Ethyl Amine [ R+ ; DL ]
avoided. PET to CHDM was done duction of diff erent alkyl chain lengths  Diethyl Oxalate  Diglyme  Diisobutylene  Diisopropylamine  Phosphorous Pentoxide  Pivaloyl Chloride
in mixed solvent of CH OH + 1,4- and methyl modifi cations. Optimal  Diisopropyl ethylamine  Diisopropyl Succinate  Potassium Bi Carbonate  Potassium Persulphate
3
dioxane via tandem three-step process. reactions are reported. These synthe-  2,2-Dimethoxy Propane  Dimethyl Oxalate  Di-N-Propyl Amine  Potassium Tertiary Butoxide  Potassium Thioacetate
 Propionaldehyde  Propionic anhydride
 DL Alfa Phenyl Ethyl Amine  D-Ribose  DMSO (Hubei Xingfa)
(Applied Catalysis A: General, 2025, sised surfactants including the tertiary  Ethyl Benzene  Ethyl Cyclo Hexane  2 Ethyl Hexyl Bromide  Pyrogallol  2-Pyrrolidone  Quinoline  Resorcinol (China)
698, 25 May, 120233; DOI: 10.1016/j. amines gave desirable properties such  2-Ethylhexyl Thioglycolate  Ethyl Nicotinate  Ethyl Silicate  Salicylic Acid Technical / Pure  Secondary Butanol (China)
apcat.120233). as solubility, foamability, and reduction  Ethylene Glycol Diacetate (EGDA)  Fluorobenzene  Formamide  Sodium Dichloroisocyanurate (56%) Granule
of surface tension. (ACS Sustainable  Formic Acid 99%  Fumaric Acid  Furfuraldehyde  Furfuryl Alcohol  Sodium Diethyldithiocarbamate  Sodium Ethoxide
 Sodium Ethoxide solution in Ethanol / Methanol
 Furfurylamine  Gamma Amino Butyric Acid (4 Amino Butyric Acid)
2-Phenylethanol (PE) from Chem. Eng., 2023; DOI: 10.1021/acs-  Gamma Butyrolactone  Glutaraldehyde 50%  Glycine  Sodium Methoxide  Sodium Sulphite (Aditya Birla -Thailand)
L-Phenylalanine (PA) suschemeng.3c03753).  Glycolic Acid 70%  Glyoxal 40%  Glyoxylic Acid 50%  Sodium Sulphite 98%  Sodium Sulphite Tech 90%
Cu sintering and coking are the main  Guanidine Carbonate  Guanidine HCl  Guanidine Thiocyanate  Sodium Tertiary Butoxide  Sorbitol Powder  Stearyl Bromide
 Stearyl Palmitate  Strontium Carbonate  Succinic Acid
 Guanine  Heptane [mix]  1,6-Hexane Diol  Hippuric Acid
cause for catalyst deactivation 15Cu/ A.R.S. Bernardino et al have made the Solid-supported lipases  12 Hydroxy Stearic Acid  Imidazole  Isobutylamine  Succinic Anhydride  Sulfolane Anhydrous
SiO catalyst is referred. Catalyst re- well-known perfumery molecule PE, as green catalysts for  Iso Octa Decyl Alcohol  Isovaleraldehyde  Itaconic Acid  Tert. Butyl Amine  Tertiary Amyl Alcohol
2
generation was explored, and indus- which is produced on a large scale, via esterifi cation: Aqueous  L + Tartaric Acid  Lactic Acid  Lanthanum Carbonate  Tertiary Butyl Acetate  Tetraglyme (Tetra Ethylene Glycol)
trial application is discussed. (Applied biotechnology based on PA, using medium  Lauric / Myristic / Palmitic / Oleic / DCFA / Caprylic Acid  Tetra Hydro Furfuryl Alcohol  THF (Dairen, Nan Ya)
 Lithium Aluminium Hydride  Lithium Amide
 Thioacetamide  Thiocyanates: Ammonium / Sodium / Potassium
Catalysis A: General, 2025, 097, 5 glucose as carbon source. Acinetobacter  Lithium Carbonate  Lithium Carbonate [Equivalent to I.P.]  Thioglycolic Acid 80%  TMOF / TEOF / TMO Acetate
o
May, 120219; DOI: 10.1016/j.apcat. was used at 30 C and pH 7 and 5 gm per Thomas et al have used a commercially  Lithium Hydroxide  Lithium Hydroxide Anhydrous  Tolyl Triazole  Tolyltriazole Granular  Tri Ethyl Citrate
2025.120219). liter of PA. This gave 2.14 gm per liter available polymer supported lipase,  Lithium Hydroxide Monohydrate LIOH : 57.7% Min  Tri Fluoro Acetic Acid  Tri Fluoro Acetic Anhydride
of PE. (J. Chem. Technol. Biotechnol., Novozym-435, which shows signi-  Lithium Metal 99% / 99.9%  L-Proline  M. P. Diol  2,2,2 Tri Fluoro Ethanol  2,2,2-Tri Fluoro Ethylene
Alkylation of phenol with 2024; DOI: 10.1002/jctb.7582). fi cant activity in water as the reaction  Malonic Acid  Malononitrile  Maltol  Meta Cresol 99.5%  Tri Isodecyl Stearate  Triacetin (Glycerine Triacetate)
 Meta Hydroxy Benzoic Acid  Meta Para Cresol [Meta 60%]
 1,2,4-Triazole & its Sodium Salt
methanol medium. Complex acids and alcohols  Methyl Amyl Ketone  Methallyl Chloride  1 Methoxy Propanol  Trichloroisocyanuric Acid 5-8 Mesh,100-120 Mesh
Combining biocatalytic were used, in the presence of unprotected  1-Methoxy Propyl Acetate  Methyl Cellosolve  Methyl Cyclohexane  Triethyl Ortho Acetate  Triethylsilane
L/Li et al have reported that anisole is oxyfunctionalisation and amines. Aqueous medium and cata-  Methyl Glycol  1-Methyl Imidazole  2-Methyl Imidazole  Triisobutyl Phosphate  Tri-N-Butyl Phosphate
 Methyl Iso Butyl Carbinol [MIBC]  Methyl Isoamyl Ketone
 Triphosgene  Triss Buffer  2,6-Xylidine
an important intermediate in the title organocatalytic aldol reaction lyst can be recycled. Pharmaceutically
reaction. O-Alkylation is followed by to access chiral β-hydroxy relevant compounds like Ibuprofen, Bharat Jyoti Impex
C-alkylation. NaX zeolite and ion ex- ketones Tolmetin, and Ticagrelor are covered “Jasu”, Ground Floor, 30, Dadabhai Road, (Near CNM School), Vile Parle (West), Mumbai 400 056.
change modifi ed X zeolites with H , for one-pot chemoenzymatic sequences. Phone: +91 91528 33394 & +91 91524 33394  Whats App:. +91 99300 51288
+
K , Cs and Mg were studied and Y. Wang et al have reported a chemo- (Green Chem., 2024; DOI: 10.1039/ Email: info@bharatjyotiimpex.com  Website: www.bharatjyotiimpex.com
2+
+
2+
the product distribution is reported, enzymatic cascade combining peroxy- D4GC02904E). More than 2000 CheMiCals in sMall PaCking
158 Chemical Weekly May 27, 2025 Chemical Weekly May 27, 2025 159
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