polyyne
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Polyyne — The polyynes are a group of organic compounds with alternating single and triple bonds. The simplest example is diacetylene or buta 1,3 diyne, HC≡C C≡CH. Along with cumulenes, polyynes are distinguished from other organic chains by their rigidity … Wikipedia
Ivy — Taxobox name = Hedera image caption = Hedera colchica image width = 240px regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Apiales familia = Araliaceae subfamilia = Aralioideae genus = Hedera genus authority = L.… … Wikipedia
Carbyne — In chemistry, a carbyne is a monovalent carbon radical species. It occurs in several ways. Gas phase A carbyne can occur as a short lived reactive intermediate. For instance, fluoromethylidyne (CF) can be detected in the gas phase by spectroscopy … Wikipedia
Falcarinol — (1,9 heptadecadiene 4,6 diyn 3 ol) is a natural pesticide and fatty alcohol found in carrots and red ginseng (Panax ginseng), which protects them from fungal diseases, such as liquorice rot that causes black spots on the roots during storage.… … Wikipedia
Fritsch-Buttenberg-Wiechell rearrangement — The Fritsch Buttenberg Wiechell rearrangement, named for Paul Ernst Moritz Fritsch, Wilhelm Paul Buttenberg, and Heinrich G. Wiechell, is a chemical reaction whereby a 1,1 diaryl 2 bromo alkene rearranges to a 1,2 diaryl alkyne by reaction with a … Wikipedia
Cicutoxin — IU … Wikipedia
December 2005 in science — 2005 : January February March April May June July August September October November December → < December 2005 > S … Wikipedia
Plant defense against herbivory — Poison ivy produces urushiol to protect the plant from herbivores. In humans this chemical produces an allergic skin rash, known as urushiol induced contact dermatitis … Wikipedia
chaolite — noun An allotrope of carbon (an extended polyyne) believed to form in meteorite impacts … Wiktionary
diacetylene — noun a) A highly unsaturated hydrocarbon, HC≡C C≡CH, the simplest polyyne b) Any of its derivatives, RC≡C C≡CR, used in the manufacture of polydiacetylene … Wiktionary
