Results 71 to 80 of about 12,701 (222)

Process for the preparation of polycarboranylphosphazenes [PDF]

open access: yes, 1981
A process for the preparation of polycarboranylphosphazenes is described. Polydihalophosphazenes are allowed to react at ambient temperatures for at least one hour with a lithium carborane in a suitable inert solvent.
Allcock, H. R.   +3 more
core   +1 more source

EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF); Scientific Opinion on Flavouring Group Evaluation 96 (FGE.96): Consideration of 88 flavouring substances considered by EFSA for which EU production volumes / anticipated production volumes have been submitted on request by DG SANCO. Addendum to FGE. 51, 52, 53, 54, 56, 58, 61, 62, 63, 64, 68, 69, 70, 71, 73, 76, 77, 79, 80, 83, 84, 85 and 87 [PDF]

open access: yes, 2011
Overgrowth disorders are a heterogeneous group of conditions characterized by increased growth parameters and other variable clinical features such as intellectual disability and facial dysmorphism1.
A Hoischen   +49 more
core   +4 more sources

(2R,3aR,4S,7R,7aS,9R,10aR,11S,14R,14aS)-rel-3a,4,7,7a,10a,11,14,14a-Octahydro-4,14:7,11-diepoxy-2,9-propanonaphtho[1,2-f:5,6-f′]diisoindole-1,3,8,10-tetrone (9CI): a cyclophane derived from naphtho[1,2-c:5,6-c]difuran

open access: yesActa Crystallographica Section E, 2008
The title compound, C25H18N2O6, is a naphthalenophane styled in the manner of Warrener's alicyclic cyclophanes or molecular racks wherein a trimethylene tether is perfectly staggered between the two N atoms such that the central methylene H atoms point ...
Peter W. Dibble   +2 more
doaj   +1 more source

Phytochemical Study Conyza Sophiaefolia. Antiinflammatory Activity

open access: yesMolecules, 2000
From the aerial parts of Conyza sophiaefolia a new alicyclic furan diterpene was isolated and characterized as an E-isomer in C6 of centipedic acid. In addition, the new clerodane type diterpene 12-epi-bacchotricuneatin A as well as two known related ...
O. S. Giordano   +5 more
doaj   +1 more source

Biosynthesis of food constituents: Amino acids: 4. Non-protein amino acids - a review

open access: yesCzech Journal of Food Sciences, 2006
This review article gives a brief survey of the principal pathways that lead to the biosynthesis of the most important non-protein amino acids occurring in foods and feeds.
Jan Velíšek, Roman Kubec, Karel Cejpek
doaj   +1 more source

Artemisinin: From Chinese Herbal Medicine to Modern Chemotherapy [PDF]

open access: yes, 2019
Malaria is a disease that has blighted humankind since early times. The first antimalarial treatment available to Europeans was the dried bark of the cinchona tree from Peru. The main problem in its use was adulteration by other material.
Butler, Anthony
core   +1 more source

Diastereo-specific conformational properties of neutral, protonated and radical cation forms of (1R,2S)-cis- and (1R,2R)-trans-amino-indanol by gas phase spectroscopy [PDF]

open access: yes, 2015
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence
Bouchet, Aude   +4 more
core   +1 more source

Vinyl capped addition polyimides [PDF]

open access: yes
Polyimide resins (PMR) are generally useful where high strength and temperature capabilities are required (at temperatures up to about 700 F). Polyimide resins are particularly useful in applications such as jet engine compressor components, for example,
Delvigs, Peter   +2 more
core   +1 more source

Fluorination of some highly functionalized cycloalkanes: chemoselectivity and substrate dependence

open access: yesBeilstein Journal of Organic Chemistry, 2017
A study exploring the chemical behavior of some dihydroxylated β-amino ester stereo- and regioisomers, derived from unsaturated cyclic β-amino acids is described.
Attila Márió Remete   +5 more
doaj   +1 more source

Synthesis and Pharmacological Evaluation of Novel Silodosin-Based Arylsulfonamide Derivatives as α1A/α1D-Adrenergic Receptor Antagonist with Potential Uroselective Profile

open access: yesMolecules, 2018
Benign prostatic hyperplasia (BPH) is the most common male clinical problem impacting the quality of life of older men. Clinical studies have indicated that the inhibition of α1A-/α1D adrenoceptors might offer effective therapy in lower ...
Vittorio Canale   +11 more
doaj   +1 more source

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