Results 51 to 60 of about 652 (178)

A pesquisa em Química no INPA [PDF]

open access: yes, 1981
The author, for motives of scientific disclosure and recognition for the National Research Institute of the Amazons and her researchers for that which they have done for the advancement of natural products chemistry in the region, during the past 25 ...
Maia, J. G. Soares
core   +2 more sources

Highly enantioselective hydroxymethylation of unmodified α-substituted aryl ketones in water. [PDF]

open access: yesProc Jpn Acad Ser B Phys Biol Sci, 2023
Kitanosono T   +3 more
europepmc   +1 more source

In vitro Metabolism of Grandisin, a Lignan with Anti-chagasic Activity [PDF]

open access: yes
Tetrahydrofuran lignans represent a well-known group of phenolic compounds capable of acting as antiparasitic agents. In the search for new medicines for the treatment of Chagas disease, one promising compound is grandisin which has shown significant ...
Albuquerque, Sérgio de   +11 more
core   +1 more source

A process for the alpha-monoalkylation of arylacetonitriles, arylacetoesters and arylacetic acids. [PDF]

open access: yes, 1993
A process for the alpha-monoalkyaltion of arylacertonitriles, arylacetoesters and arylacetic acids with dialkyl carbonates in the liquid phase, in the presence of bases at temperatures ranging from 100 to about 270 ...
M. Selva, P. C. Loosen, P. Tundo
core   +3 more sources

The Mutagenicity of Nutmeg, Mace and Black Pepper and some Oil Constituents [PDF]

open access: yes, 1981
Three spices, nutmeg, mace and black pepper, and selected oil constituents, safrole, eugenol and myristicin, were tested for mutagenicity using the Aines test. Safrole, an oil constituent, is a weak hepatic carcinogen in the rat and mouse.
Crain, Vernon Lee, Jr.
core   +1 more source

The preparation of polymerizable emulsifying agents. [PDF]

open access: yes, 1956
Thesis (Ph.D.)--Boston UniversityThe purpose of this research was to prepare ~nd characterize a number of new compounds which would function both as a monomer and a soap, i.e., a vinyl-soap.
Freedman, Harold Hersh
core   +1 more source

Synthetic Studies Towards Photochemical Cyclopropanation [PDF]

open access: yes
Cyclopropanols and cyclopropylamines are useful synthetic intermediates and prevalent motifs in the pharmaceutical and agrochemical industries. Current cyclopropanation methods rely on harsh conditions and have limited structural diversity.
Henson, Bridget Amy Brimbecom
core   +1 more source

Stereochemical and electronic interaction studies of 4′-substituted 2-(phenylselanyl)-2-(ethylsulfinyl)-acetophenones [PDF]

open access: yes, 2017
Cerqueira, Carlos R.   +5 more
core   +1 more source

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