scholarly journals Recent Advances in the Direct Synthesis of H 2 O 2

ChemCatChem ◽  
2018 ◽  
Vol 11 (1) ◽  
pp. 298-308 ◽  
Author(s):  
Richard J. Lewis ◽  
Graham J. Hutchings
Keyword(s):  
Direct Synthesis ◽  
Recent Advances

scholarly journals Recent Advances in Rapid Synthesis of Non-proteinogenic Amino Acids from Proteinogenic Amino Acids Derivatives via Direct Photo-Mediated C–H Functionalization

Molecules ◽  
2020 ◽  
Vol 25 (22) ◽  
pp. 5270
Author(s):  
Zhenbo Yuan ◽  
Xuanzhong Liu ◽  
Changmei Liu ◽  
Yan Zhang ◽  
Yijian Rao
Keyword(s):  
Amino Acids ◽  
Direct Synthesis ◽  
Environmentally Friendly ◽  
Powerful Method ◽  
Rapid Synthesis ◽  
Conservation Of Energy ◽  
Mild Conditions ◽  
Recent Advances ◽  
Recent Developments

Non-proteinogenic amino acids have attracted tremendous interest for their essential applications in the realm of biology and chemistry. Recently, rising C–H functionalization has been considered an alternative powerful method for the direct synthesis of non-proteinogenic amino acids. Meanwhile, photochemistry has become popular for its predominant advantages of mild conditions and conservation of energy. Therefore, C–H functionalization and photochemistry have been merged to synthesize diverse non-proteinogenic amino acids in a mild and environmentally friendly way. In this review, the recent developments in the photo-mediated C–H functionalization of proteinogenic amino acids derivatives for the rapid synthesis of versatile non-proteinogenic amino acids are presented. Moreover, postulated mechanisms are also described wherever needed.

Direct Synthesis of Hydrogen Peroxide: Recent Advances

2009 ◽  
pp. 253-287 ◽  
Author(s):  
Gabriele Centi ◽  
Siglinda Perathoner ◽  
Salvatore Abate
Keyword(s):  
Hydrogen Peroxide ◽  
Direct Synthesis ◽  
Recent Advances

Recent Advances in Direct Synthesis of Organometallic and Coordination Compounds

2018 ◽  
pp. 25-85
Author(s):  
Vidyasagar C. Chandrashekhar ◽  
Blanca M. Muñoz Flores ◽  
Víctor M. Jiménez-Pérez
Keyword(s):  
Coordination Compounds ◽  
Direct Synthesis ◽  
Recent Advances

Recent Advances in the Synthetic Chemistry of Bicyclo[1.1.1]pentane

Synlett ◽  
2018 ◽  
Vol 30 (01) ◽  
pp. 1-11 ◽  
Author(s):  
Junichiro Kanazawa ◽  
Masanobu Uchiyama
Keyword(s):  
Water Solubility ◽  
Chemical Space ◽  
Direct Synthesis ◽  
Three Dimensional ◽  
High Water ◽  
Synthetic Chemistry ◽  
Drug Candidates ◽  
Recent Advances ◽  
Wide Range ◽  
Phenyl Rings

Utilization of three-dimensional cyclic scaffolds is important in modern drug discovery, both to provide greater opportunities for optimizing drug candidates and to expand the available chemical space of drugs. Among these scaffolds, bicyclo[1.1.1]pentane (BCP) is a high-value bioisostere for 1,4-disubstituted phenyl rings, internal alkynes, and the tert-butyl group, generally offering high passive permeability, high water solubility, and improved metabolic stability. However, the lack of methods for functionalizing BCP remains a significant challenge, and in particular, a versatile strategy for synthesizing a wide range of unsymmetrically 1,3-difunctionalized BCP derivatives has been lacking. In this account, we review recent advances in the synthetic chemistry of BCP, focusing especially on our recently developed radical multicomponent carboamination of [1.1.1]propellane.1 Introduction2 Overview of the Synthetic Chemistry of [1.1.1]Propellane, the Most Promising Precursor of Bicyclo[1.1.1]pentane3 Recent Advances in the Synthetic Chemistry of Unsymmetrically 1,3-Disubstituted Bicyclo[1.1.1]pentane Derivatives4 Radical Multicomponent Carboamination of [1.1.1]Propellane Permits Direct Synthesis of 3-Substituted Bicyclo[1.1.1]pent-1-ylamine Derivatives5 Conclusion

scholarly journals 5-Hydroxymethylfurfural (HMF) Production from Real Biomasses

Molecules ◽  
2018 ◽  
Vol 23 (9) ◽  
pp. 2201 ◽  
Author(s):  
Federica Menegazzo ◽  
Elena Ghedini ◽  
Michela Signoretto
Keyword(s):  
Direct Synthesis ◽  
Food Wastes ◽  
Catalytic Systems ◽  
Recent Advances

The present paper reviews recent advances on the direct synthesis of 5-hydroxymethylfurfural (HMF) from different kinds of raw biomasses. In particular, in the paper HMF production from: (i) edible biomasses; (ii) non-edible lignocellulosic biomasses; (iii) food wastes (FW) have been reviewed. The different processes and catalytic systems have been reviewed and their merits, demerits and requirements for commercialisation outlined.

Recent advances in the direct conversion of syngas to oxygenates

2021 ◽  
Author(s):  
Devaiah Damma ◽  
Panagiotis Smirniotis
Keyword(s):  
Direct Synthesis ◽  
Direct Conversion ◽  
Petroleum Carbon ◽  
Recent Advances

Direct synthesis of oxygenates from the syngas is a promising way to utilize the non-petroleum carbon resources because the oxygenate products serve as precursors for the downstream production of fuels...

Recent advances in direct synthesis of 2-deoxy glycosides and thioglycosides

Tetrahedron ◽  
2021 ◽  
pp. 132140
Author(s):  
Shuai Meng ◽  
Xiaohua Li ◽  
Jianglong Zhu
Keyword(s):  
Direct Synthesis ◽  
Recent Advances

Recent Advances in High Dispersion Spectroscopy of Globular Cluster Stars

1988 ◽  
Vol 132 ◽  
pp. 525-530
Author(s):  
Raffaele G. Gratton
Keyword(s):  
Globular Cluster ◽  
Globular Clusters ◽  
High Dispersion ◽  
Photographic Material ◽  
Recent Advances ◽  
Metal Abundances ◽  
Ccd Detectors ◽  
Major Progress

The use CCD detectors has allowed a major progress in abundance derivations for globular cluster stars in the last years. Abundances deduced from high dispersion spectra now correlates well with other abundance indicators. I discuss some problems concerning the derivation of accurate metal abundances for globular clusters using high dispersion spectra from both the old photographic and the most recent CCD data. The discrepant low abundances found by Cohen (1980), from photographic material for M71 giants, are found to be due to the use of too high microturbulences.

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