polyenes are polyunsaturated organic compounds that contain multiple carbon–carbon double bonds (C=C). Some sources consider dienes to be polyenes, whereas...

classified in various groups by their chemical structure: methylene-interrupted polyenes conjugated fatty acids other PUFAs Based on the length of their carbon...

Polyene antimycotics, sometimes referred to as polyene antibiotics, are a class of antimicrobial polyene compounds that target fungi. These polyene antimycotics...

assess performance. A polyene is a molecule with multiple conjugated double bonds. A polyene antifungal is a macrocyclic polyene with a heavily hydroxylated...

and for a finite metal with the free electron approximation. Conjugated polyene systems can be modeled using particle in a box. The conjugated system of...

actions. The four classes of topical antifungal drugs are azole antifungals, polyene antifungals, allylamine antifungals, and other antifungals. Azole antifungals...

The Simmons–Smith reaction is an organic cheletropic reaction involving an organozinc carbenoid that reacts with an alkene (or alkyne) to form a cyclopropane...

lipid formulation that has a lower risk of side effects. It is in the polyene class of medications and works in part by interfering with the cell membrane...

hydrocarbons with just one double bond; alkadiene, alkatriene, etc., or polyene for acyclic hydrocarbons with two or more double bonds; cycloalkene, cycloalkadiene...

solvent. Examples are conjugated carbonyl compounds, conjugated dienes, and polyenes. One set of Woodward–Fieser rules for dienes is outlined in table 1. A...

Bilirubin (BR) (adopted from German, originally bili—bile—plus ruber—red—from Latin) is a red-orange compound that occurs in the normcomponent of the straw-yellow...

contains 25 species that collectively have a widespread distribution. A new polyene pigment, melanocrocin, has been isolated either from fruit bodies or mycelial...

1950 by Rachel Fuller Brown and Elizabeth Lee Hazen. It was the first polyene macrolide antifungal. It is on the World Health Organization's List of...

during pregnancy or breastfeeding is safe. It is in the macrolide and polyene families of medications. It results in fungal death by altering the cell...

that bind to the 50S part of the bacterial ribosome, see streptogramin A. Polyene antimycotics are also technically macrolides. In general, any macrocyclic...

anticholinesterases. Anti-allergy: mast cell inhibitors. Anti-fungal: imidazoles, polyenes. Anti-glaucoma: adrenergic agonists, beta-blockers, carbonic anhydrase...

Aparicio JF, Malpartida F, Zotchev SB (2008). "Biosynthetic engineering of polyene macrolides towards generation of improved antifungal and antiparasitic...

chromophore of conjugated double bonds (polyene chain) provides the distinctive light-absorbing properties. The polyene chain is susceptible to oxidative degradation...

preferred on even-numbered polyenes (even hapticity). Nucleophiles preferentially add to acyclic polyenes rather than cyclic polyenes. Nucleophiles preferentially...

ladderane compounds. The three major approaches are (1) dimerization of polyene precursors, (2) the stepwise addition, one or two rings at a time, (3)...

Cholecalciferol, also known as vitamin D3 or colecalciferol, is a type of vitamin D that is produced by the skin when exposed to UVB light; it is found...

Karmitoxin is an amine-containing polyhydroxy-polyene toxin isolated from Karlodinium armiger strain K-0668. It is structurally related to amphidinols...

Cross-conjugation Hyperconjugation List of conjugated polymers Metallic bond Polyene Resonance Vinylogy For the purposes of this article, we are primarily concerned...

Coenzyme Q10 (CoQ10 /ˌkoʊkjuːˈtɛn/), also known as ubiquinone, is a naturally occurring biochemical cofactor (coenzyme) and an antioxidant produced by...

Retinal (also known as retinaldehyde) is a polyene chromophore. Retinal, bound to proteins called opsins, is the chemical basis of visual phototransduction...

excluded from interaction. Whereas a normal conjugated system such as a polyene typically has alternating single and double bonds along consecutive atoms...

carotenoids that are either monoglycosyl or diglycosyl polyene esters of crocetin. Crocetin is a conjugated polyene dicarboxylic acid that is hydrophobic, and thus...

Ergocalciferol, also known as vitamin D2 and nonspecifically calciferol, is a type of vitamin D found in food. It is used as a dietary supplement to prevent...

heterodienes. Compounds that contain more than two double bonds are called polyenes. Polyenes and dienes share many properties. On an industrial scale, butadiene...

Sirolimus, also known as rapamycin and sold under the brand name Rapamune among others, is a macrolide compound that is used to coat coronary stents, prevent...