Page 183 - CW E-Magazine (26-9-2023)

Special Report

mixed solvent and acetone does not
undergo any reaction and can be recy-
cled. (Ind. Eng. Chem. Res., 2022; DOI:
10.1021/acs.iecr.2c03967).
Efficient synthesis of novel
plasticisers by direct Pd-cata-
lysed di- or multi-carbonyla- Amination of ethylene glycol Ru nanoparticles on Y O with
2
3
tions (EG) to ethylenediamine (EDA) enhanced metal-support inter-
catalysed by Co-Cu/γ-Al O actions for efficient NH syn-
Y. Hu et al have referred to the impor- 2 3 thesis 3
tance of diesters for use in plasticisers, H. An et al have used aq. NH as [This column has covered some papers
3
surfactants, emulsifiers, and lubricants. ammonia source. A series of supported pertaining to NH synthesis catalysts
3
These authors have reported the Pd- bimetallic catalysts were prepared and and incorporation of a follow-on reac-
catalysed direct carbonylation of di- or fully characterised. The title catalyst tor based on Ru catalyst.]
polyols with readily available alkenes. gave high activity and good selecti-
Pd catalyst with the “built-in-base” vity to EDA. The synergetic effect of
ligand L16 provided esterification of all Cu and Co is involved. At EG conver-
alcohols and high n/iso ratio. Potential sion of 41.5% the EDA and monoetha-
plasticisers for PVC films are covered. nolamine selectivity was 45.7% and
(Angew. Chem. Intl. Ed.; DOI: 10.1002/ 23.7%, respectively. The majority of
anie.202214706). by-products were identified by GC and
MS, and reaction network is proposed.
Oxidation of N-alkyl (iso) quino- (DOI:10.1002/slct.202201303).
linium salts over TEMPO
MOF heterogeneous photo- Oxidation of ethylene glycol J. Feng et al have worked on the title
catalyst (EG): Unity of chemical and subject to exploit the interactions. Ru
electrochemical catalysis
S-S. Fu et al have referred to the title nanoparticles (NPs) and Y O support
2
3
compounds of interest in pharma in- N.L. Chauhan et al have discussed exhibited enhanced catalytic activity,
dustry. These authors have developed whether the chemical oxidation of EG via activation of reactants N and H .
2
2
a process using a series of abundant over a heterogeneous catalyst is a mani- (Catalysis Sci. Technol., 2023; DOI:
TEMPO @ PCN-222; PCN is porous festation of electrochemical reaction. 10.1039/D2CY02035A).
coordination network composite photo- These authors state that the products One-step synthesis of ammonia
catalysts made by coordinating differ- observed indicate a compelling case. directly from wet air/N by
2
ent amount of 4-carboxy TEMPO with Experiments were done in a batch re- plasma combined with γ-Al O
the secondary building units of PCN- actor and three different catalysts were catalyst 2 3
222. The mechanism of action has been studied. In the case of the electrochemi-
explained. The catalyst combo has out- cal experiments were designed to J. Feng et al have worked on the title
standing stability. Thus, 86.7% yield of elicit the title information. The pro- subject where H O is the source of H
2
2
1-methyl-2-quinolinone has been rea- ducts from both experiments were in and air provides N . This is conducted
2
lised. (ChemSusChem.; DOI: 10.1002/ excellent agreement. The title unity under low temperature and low pressure
cssc.202202163). has been brought out. (DOI:10.1002/ conditions. Experiments have shown
elsa.202100092). the feasibility but by-products like NO

Chemical Weekly September 26, 2023 183

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