Page 180 - CW E-Magazine (28-5-2024)

Special Report PRODUCTS AT COMPETITIVE PRICE
• DIMETHYLGLYOXIME
• N,N-DIMETHYL-P-TOLUIDINE
• BILE SALT
Additive- and base-free tan- Selective linear ethylene oligo- alkylation reaction of ketones with • 1-BROMONAPHTHALENE
• CHLORAMINE T
dem aerobic oxidative cleavage merisation over Ni-contain- phenols or even phenoxyethanol. In the • PHENOLPHTHALEIN
of olefins to esters using bifun- ing zeotypes with tetravalent case of 9,9-bis(4-(2-hydroxyethoxy) • SODIUM THIOGLYCOLATE 80%
• N-1-NAPHTHYL ETHYLENE
ctional mesoporous Cu-incor- framework heteroatoms phenyl) fluorene the highest selectivity DIAMINE DIHYDROCHLORIDE
porated Al-SBA-15 [Oligomerisation of ethylene to alpha- was 96.4% at 110°C, which is higher • 2,3,5-TRIPHENYL TETRAZOLIUM
olefin is practiced on a grand scale than when H SO was used a catalyst. CHLORIDE
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K. Ravi et al have reported a one-pot and there are plants with a capacity of (Ind. Eng. Chem. Res., 2024; DOI: • SODIUM COBALTINITRITE
• 1-NAPHTHYLACETIC ACID
synthesis of esters form olefins using 900,000 tpa, besides selective conver- 10.1021/acs.iecr.3c03769). • PHENYL HYDRAZINE
a non-noble metal catalyst, 10Cu-Al- sion to 1-butene, 1-hexene and 1-octene.] • PEPTONE
SBA-15, which facilitates aerobic Peroxidation of tert butyl alco- • YEAST EXTRACT
• CYANOACETIC ACID 98%
oxidative cleavage of olefins into carbonyl Y. Bai et al have worked on Ni alumino hol (TBA) to tert butyl hydro- • N-METHYL ANILINE
compounds, followed by esterification silicate zeolites, as alternatives to the gen peroxide (TBHP) SUVIDHINATH LABORATORIES
6, Gandhi Oil Mill Compound, Ind. Area, Gorwa Road,
with alcohols in the presence of homogeneous catalyst, and have referred H. Zhu et al have studied the title Vadodara - 390016. • Ph.: 0265-2281013 • M: 9724208555
gamma-valerolactone as an eco-friendly to a broad product distribution and the reaction using H SO as a homogeneous Email : nathsuvidhi@yahoo.in KNS ADI
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solvent. Thus styrene was converted accumulation of heavy oligomers with catalyst in a micro reactor. The tem-
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to butyl benzoate with complete con- the channels and cages of porous zeo- perature was 50°C and molar ratio of
version of styrene with 50% selectivity lites. These authors have replaced Brons- H SO to TBA 1:1 and optimum molar Ready Stock Available
to butyl benzoate. The catalyst could ted acidic zeolites by a family of Lewis ratio of H SO to TBA was 0.95. (Org.
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be recycled. (Cat. Sci. Technol., 2024; acidic Beta zeotypes as supports for Ni. Proc. Res. Dev., 2024; DOI: 10.1021/
DOI: 10.1039/D3CY01362F). Sn-, Hs-, and Zr-β stand out as com- acs.oprd.3C00079). Meta Para Cresol
pared to Ti- and Ge-β. Remarkable
The liquid future of catalysis selectivities of over 90% of linear olefins High conversion of CH to methyl
are reported. (Cat. Sci. Technol., 2024; ester at 25°C 4 (Mixed Cresol)
Kourush Kalantar – Zadea, Univ. of DOI: 10.1039/D3CY 01736B).
Sydney, Australia, has reported the The valorisation of CH continues to
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use of liquid metal consisting mostly Synergetic catalysts of Lewis attract a lot of attention. L. Xu et al have
of gallium (Ga), which is liquid above acid and Bronsted acid for reported a simple visible-light driven For any enquires please contact :
30°C, with some Ni and Tin (less than highly efficient preparation of reaction of CH /O with CF COOH to Nice Chemicals Pvt. Ltd.
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2%). Decane was converted to propy- bisphenol compounds give CH -OCOCF at 25°C, using a cata- 50/221A, PB No. 2217, Manimala Road,
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lene with selectivity of 95%. Ga is very lytic amount of NaNO in an aqueous Edappally PO, Cochin 682024
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expensive and whether tin with melt- Z. Shang et al have developed a strong HCl/CF COOH in batch mode using Mobile: +91-9447045583
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ing point of 203°C can achieve these inorganic acid-free synergistic catalytic CH /O ratio 2:1 at 0.1 MPa selectivity, Tel: 0484-2788725 / 726
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results needs to be explored. This is a system consisting of a Lewis-Bronsted and conversion were over 90%. CH OH Email: purchase@nicechemicals.com
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new strategy. (Nature Nanotechnology; acid catalyst consisting of ZnCl and can be easily made by hydrolysis of
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DOI: 10.1038/s41565-023-015527). 3-mercaptopropionic acid, which gave the above ester and CF COOH can be We Offer from Incoming / Ready Stocks (Including MODVAT)We Offer from Incoming / Ready Stocks (Including MODVAT) AAKAR DYES AND CHEMICALS
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very efficient preparation of bisphenol recycled. (Catalysis. Sci. Technol., 2024; l l We Offer DTPTSA (Dehydrothio-p-toluidine Sulfonic Acid)
Efficient and high para-selec- compound through Friedel-Crafts DOI: 10.1039/D4CY00048J). l Acetophenone l Acrylic Acid l ethyl Cellosolve l ethyl Carbitol Technical Process Know How Structure:
Adipic Acid
Iso Propyl Alcohol
tive conversion of toluene (T) l Benzoic Acid l Methyl Carbitol Use for making Direct Yellow Dyes
with NO to para-nitrotoluene l Bisphenol A l Butyl Acrylate l Methyl Cellosolve (Paper Dyes) and other colours.
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(PNT) in NO – Ac O – HβD4 l Butyl Cellosolve l Butyl Carbitol l Methyl Methacrylate l MIBK Molecular Weight: 320.39
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R. Deng et al have reported 78% con- l Cyclohexanone (Drums and Bulk) l Perchloroethylene
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about 72%. l Diethylene glycol l PTMeg 1000 / 2000 Isatoic Anhydride
l Di Isopropyl ether l Sodium Persulfate (PeroxyChem, USA)
Dealumination of Hβ zeolite has a l epichlorohydrin l Triethanolamine 85% 5 - Sulpho Anthranilic Acid
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were done, and a reaction mechanism Contact: PARESH CHEMICAL CORPORATION Phenyl Hydrazine HCL
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180 Chemical Weekly May 28, 2024
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