Porphyrin ring containing functional groups of complex lipids and its preparation method and use the invention relates to a novel class structure containing functional groups of the porphyrin ring of complex lipids and intermediates involved in the synthesis of these compounds, as well as as a ...
The present paper investigates the action and effects of wet surface active additives from the dihydroxy-compound class (ethylene glycol, propylene glycol, and polypropylene glycol) on Portland cement grinding, starting from the present knowledge of surface chemistry, with application to the solids and...
Carbonyl compounds, such as formaldehyde or methanal, are a class of organic molecules that contain the carbonyl group (C=O). They can have various functional groups attached to the carbonyl group, such as alkyl or aryl groups, halogens, or metals, which give rise to different types of car...
Carbohydrates, together with nucleic acids, proteins, and lipids, are key components of living cells. They constitute a large and diverse class of derivatives present in a wide range of materials, where they play major practical roles in various applications in chemistry, biology, material science,...
Define aliphatic compound. aliphatic compound synonyms, aliphatic compound pronunciation, aliphatic compound translation, English dictionary definition of aliphatic compound. Noun 1. aliphatic compound - organic compound that is an alkane or alkene or al
et al. Stereodefined alkenes with a fluoro-chloro terminus as a uniquely enabling compound class. Nat. Chem. 14, 463–473 (2022). https://doi.org/10.1038/s41557-022-00893-5 Download citation Received30 May 2021 Accepted12 January 2022 Published17 February 2022 Issue DateApril 2022 DOIhttps:...
The time of equilibration for headspace analysis of palm sugar should be selected depending on the chemical class of Acknowledgements The authors would like to express their gratitude to Ministry of Science, Technology and Innovation, Malaysia for the funding of IRPA 03-02-02-0071 EA261 grant....
“Y” is a functional group capable of reacting with an epoxy group, an ethoxy group or a propoxy group. The “Y” functional groups are preferably selected from hydroxyl (—OH), carboxylic acid (—C(O)OH), carboxylate (—C(O)OR′″), carboxylic acid anhydride, a primary or a seconda...
the composition of the present invention are not limited for their content. The content, however, is preferably such that total of both functional groups is in the range of 0.5 to 100 mol %, and more preferably in the range of 0.5 to 50 mol % in relation to the rubber and/or the ...
21.A pharmaceutical composition comprising:a) a compound of formula (I):whereinX represents O or S;R1represents C1-6alkyl, C3-8cycloalkyl, C3-8cycloalkylmethyl or C3-8cycloalkenyl any of which optionally may be substituted by one or more methyl groups or halogen atoms orR1represents aryl, ...