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Chiral Phosphoric Acids as Versatile Tools for Organocatalytic Asymmetric Transfer Hydrogenations. [PDF]

open access: yesEuropean J Org Chem, 2021
Herein, recent developments in the field of organocatalytic asymmetric transfer hydrogenation (ATH) of C=N, C=O and C=C double bonds using chiral phosphoric acid catalysis are reviewed.
Pálvölgyi ÁM   +3 more
europepmc   +2 more sources

Site-selective acylation of natural products with BINOL-derived phosphoric acids. [PDF]

open access: yesACS Catal, 2019
The site-selective acylation of a steroidal natural product 19-hydroxydehydroepiandrosterone catalyzed by 1,1'-Bi(2-napthol)-derived (BINOL) chiral phosphoric acids (CPA's) is described.
Li J   +4 more
europepmc   +2 more sources

Enantioselective Cycloaddition Reactions Catalyzed by BINOL-Derived Phosphoric Acids and N-Triflyl Phosphoramides: Recent Advances. [PDF]

open access: yesMolecules, 2015
Over the last several years there has been a huge increase in the development and applications of new efficient organocatalysts for enantioselective pericyclic reactions, which represent one of the most powerful types of organic transformations.
Held FE, Grau D, Tsogoeva SB.
europepmc   +2 more sources

Asymmetric Arylation of 2,2,2-Trifluoroacetophenones Catalyzed by Chiral Electrostatically-Enhanced Phosphoric Acids.

open access: yesOrganic Letters, 2018
A series of highly reactive metal-free chiral phosphoric acids possessing positively charged phosphonium ion substituents are reported and have been applied to Friedel-Crafts alkylations of indoles and 2,2,2-trifluoromethyl aryl ketones.
Jie Ma, S. Kass
semanticscholar   +1 more source

Sterically Demanding Flexible Phosphoric Acids for Constructing Efficient and Multi-Purpose Asymmetric Organocatalysts. [PDF]

open access: yesAngew Chem Weinheim Bergstr Ger, 2022
Scharinger F   +6 more
europepmc   +2 more sources

Are Phosphorous and Phosphoric Acids Equal Phosphorous Sources for Plant Growth?

open access: yesEDIS, 2012
Phosphorus (P) is one of the 17 elements essential for plant growth and development, and is also a key component in some agrochemicals, such as phosphorous acid. Thus, there are two types of P closely associated with crop production.
A. Brunings   +5 more
semanticscholar   +1 more source

Artificial neural network modeling to predict the efficiency of phosphoric acid-hydrogen peroxide pretreatment of wheat straw [PDF]

open access: gold, 2023
Qing Wang   +9 more
openalex   +1 more source

Expedient Method for Direct Mono-amidation of Phosphonic and Phosphoric Acids [PDF]

open access: gold, 2020
Victoria C. Yan   +2 more
openalex   +1 more source

Zr-Based Metal-Organic Frameworks with Phosphoric Acids for the Photo-Oxidation of Sulfides. [PDF]

open access: yesInt J Mol Sci, 2022
Zhao Z   +8 more
europepmc   +1 more source

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