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stilbene
stilbene Chem. (ˈstɪlbiːn) [f. Gr. στίλβειν to glitter + -ene.] A hydrocarbon produced by the action of heated lead oxide on toluene, and in various other ways: used in dye-stuffs. So ˈstilbin [see -in] in the same sense.1868 Watts Dict. Chem. V. 431 Stilbene. Ibid. 432 Stilbin. Syn. with Stilbene. ...
Oxford English Dictionary
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Stilbene
Stilbene may refer to one of the two stereoisomers of 1,2-diphenylethene:
(E)-Stilbene (trans isomer)
(Z)-Stilbene (cis isomer)
See also
Stilbenoids
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(E)-Stilbene
Isomers
Stilbene exists as two possible stereoisomers. One is trans-1,2-diphenylethylene, called (E)-stilbene or trans-stilbene. For example, using tert-butyl hydroperoxide, oxidation of cis-stilbene produces 0.8% cis-stilbene oxide, 13.5% trans-stilbene oxide, and 6.1% benzaldehyde
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stilbamidine
stilbamidine Pharm. (stɪlˈbæmɪdiːn) [f. stilbene + amidine (f. amide + -ine5).] A diamidine derivative, (H2N)(HN)C·C6H4·CH:CH·C6H4·C(NH)(NH2), of stilbene which has antiprotozoal properties and has been used, usu. in the form of its isethionate, in the treatment of trypanosomiasis and leishmaniasis....
Oxford English Dictionary
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(Z)-Stilbene
Isomers
Stilbene exists as two possible isomers known as (E)-stilbene and (Z)-stilbene. Stilbene can undergo stilbene photocyclization, an intramolecular reaction.
(Z)-Stilbene can undergo electrocyclic reactions.
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Stilbene synthase
Stilbene synthase may refer to:
Pinosylvin synthase (Pine stilbene synthase)
Trihydroxystilbene synthase (Resveratrol synthase)
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Meso-Stilbene dibromide
meso-Stilbene dibromide is an organic compound with a formula of (C6H5CH(Br))2.It is one of three isomeric stilbene dibromides, the others being the pair Synthesis and reactions
meso-Stilbene dibromide can be prepared by treatment of (E)-stilbene with bromine.
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Stilbenoid
Stilbenoids are hydroxylated derivatives of stilbene. They have a C6–C2–C6 structure. Under UV irradiation, stilbene and its derivatives undergo intramolecular cyclization, called stilbene photocyclization to form dihydrophenanthrenes.
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Diphenylethylene
Diphenylethylene or Diphenylethene may refer to:
1,1-Diphenylethylene
1,2-Diphenylethylene, or Stilbene
(E)-Stilbene (trans-isomer)
(Z)-Stilbene (
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Diarylethene
The simplest example is stilbene, which has two geometric isomers, E and Z. The activation energy for thermal E-Z isomerization is 150–190 kJ mol−1 for stilbene, meaning that temperatures above 200°C are required to isomerize stilbene
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Mallory reaction
Under UV irradiation, stilbene and its derivatives undergo intramolecular cyclization to form dihydrophenanthrenes. Aryl enynes, heteroatomic stilbene derivatives (e.g. amides), and substrates containing a single heteroatom in place of the stilbene double bond also undergo
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Trihydroxystilbene synthase
enzymology, a trihydroxystilbene synthase () is an enzyme that catalyzes the chemical reaction
3 malonyl-CoA + 4-coumaroyl-CoA 4 CoA + 3,4',5-trihydroxy-stilbene Other names in common use include resveratrol synthase, and stilbene synthase. This enzyme participates in phenylpropanoid biosynthesis.
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Ampelopsin (compound)
Ampelopsin may refer to:
Ampelopsin, a flavanonol
Ampelopsin A, a stilbene oligomer
Ampelopsin B, a stilbene oligomer
Ampelopsin C, a stilbene oligomer Ampelopsin D, a stilbene oligomer
Ampelopsin E, a stilbene oligomer
Ampelopsin F, a stilbene oligomer
References
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Parthenocissus laetevirens
Parthenocissus laetevirens contains the stilbene oligomers laetevirenol A, B, C, D and E, the stilbene tetramers laetevirenol F and G as well as the dimers
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Pinosylvin synthase
Other names in common use include stilbene synthase, and pine stilbene synthase. This enzyme participates in phenylpropanoid biosynthesis.
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