acetylenic


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acetylenic

[ə‚sed·ə′len·ik]
(organic chemistry)
Pertaining to acetylene or being like acetylene, such as having a triple bond.
References in periodicals archive ?
A con venient synthesis of acetylenes: catalytic substitutions of acetylenic hydrogen with bromoalkenes, iodoarenes and bromopyridines.
Conventional dispersants including an acetylenic diol surfactant, a styrene acrylate polymer, and a styrene maleic anhydride modified with a polyether comb polymer were from different dispersant suppliers.
These include genes for the production of hydroxy fatty acids, found in castor oil and used in lubricants and inks; conjugated fatty acids from tung seeds; and acetylenic fatty acids found in another dandelion relative, Crepis alpina.
Tazarotene (Tazorac) is the first of a family of receptor-selective acetylenic retinoids.
While examining the hydroformylation of acetylenic substituted thiazoles, Van den Hoven and Alper discovered the new reaction, which has several remarkable features.
12] Atractylodin, an acetylenic furan derivative present in high amounts in these extracts, may be a tyrosinase inhibitor.
Newest chemical catalog for 2000-2001 integrates classic product lines with new acquisitions such as Sodium Biphenyl, QUAT products, and greatly expanded organic product line including acetylenic derivatives and cholesteryl products.
Called linear acetylenic carbon, the new allotrope, or form, of the otherwise sooty element shows up as amber-colored, "gossamerlike" threads, whose texture resembles "angel hair," according to Richard J.
8,114,874 entitled, "Substituted Acetylenic Imidazo[1,2-B] Pyridazine Compounds as Kinase Inhibitors," which provides composition-of-matter patent protection through at least December 22, 2026 for ARIAD's investigational pan-BCR-ABL inhibitor, ponatinib.
Unsaturated Esters and Amides Via Reactions of Tantalum-Alkyne Complexes Derived from Acetylenic Esters and Amides with Carbonyl Compounds, J.
There are some notable exceptions in the organic materials such as acetylenic diols and small linear alcohols that can reach into the high 20 mN/m range.
Curing is very rapid, and, in fact, inhibitors, such as acetylenic alcohols and maleates, are often added to the coating formulation to prevent unwanted cure at room temperature and to maximize working bath life.