Butadiene (redirect from Buta-1,3-diene)
1,3-Butadiene (/ˌbjuːtəˈdaɪiːn/) is the organic compound with the formula CH2=CH-CH=CH2. It is a colorless gas that is easily condensed to a liquid. It...
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Diels–Alder reaction (redirect from Diene synthesis)
dienophile. An especially reactive diene is 1-methoxy-3-trimethylsiloxy-buta-1,3-diene, otherwise known as Danishefsky's diene. It has particular synthetic...
62 KB (7,087 words) - 07:54, 21 July 2024
Danishefsky's diene (Kitahara diene) is an organosilicon compound and a diene with the formal name trans-1-methoxy-3-trimethylsilyloxy-buta-1,3-diene named after...
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stabilization is more significant for cationic systems than neutral ones. For buta-1,3-diene, a crude measure of stabilization is the activation energy for rotation...
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from the polymerization of the monomer 1,3-butadiene. The IUPAC refers to polybutadiene as "poly(buta-1,3-diene)". Historically, an early generation of...
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with a low percentage of isoprene to make butyl rubber 1,3-butadiene (or buta-1,3-diene) – a diene often used as a monomer or co-monomer for polymerization...
20 KB (2,009 words) - 02:38, 11 February 2024
One example is the coupled dimerization and hydroesterification of buta-1,3-diene. This step produces a doubly unsaturated C9-ester: 2 CH2=CH-CH=CH2 +...
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racemate. It is a precursor to vinylcyclohexene dioxide. It is produced by buta-1,3-diene dimerization in a Diels-Alder reaction. The reaction is conducted at...
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bonds take the form -diene, -triene, etc., with the size prefix of the chain taking an extra "a": CH2=CHCH=CH2 is buta-1,3-diene. Simple cis and trans...
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proceed via diverse mechanisms. Conjugated dienes such as buta-1,3-diene and isoprene (2-methylbuta-1,3-diene) also produce polymers, one example being...
48 KB (5,122 words) - 23:58, 18 July 2024
cycloaddition reactions with dienes. The industrially useful solvent sulfolane is prepared by addition of sulfur dioxide to buta-1,3-diene followed by hydrogenation...
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PMID 15760233. Shao, L.-X.; Shi, M. (2005), "Facile Synthesis of 2-Alkynyl Buta-1,3-dienes via Sonogashira Cross-Coupling Methodology", J. Org. Chem., 70 (21):...
48 KB (5,443 words) - 08:05, 6 June 2024
4-dihydroxybenzoate and O2 to produce 3-carboxy-cis,cis-muconate. "(1E,3Z)-buta-1,3-diene-1,2,4-tricarboxylic acid - Compound Summary". PubChem Compound. USA:...
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of ethyl acrylate. With dienes, ethyl acrylate reacts as a good dienophile in Diels–Alder reactions e.g. with buta-1,3-diene in a [4+2] cycloaddition...
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discrete acyclic cross-conjugated polyene. The simplest dendralene is buta-1,3-diene (1) or [2]dendralene followed by [3]dendralene (2), [4]dendralene (3)...
12 KB (1,357 words) - 19:29, 27 October 2022
Tetraphenyl butadiene (redirect from 1,1,4,4-Tetraphenyl-1,3-butadiene)
Tetraphenyl butadiene (1,1,4,4-tetraphenyl-1,3-butadiene or TPB) is an organic chemical compound used as an electroluminescent dye. It glows blue with...
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Propalene or bicyclo[1.1.0]buta-1,3-diene is a polycyclic hydrocarbon composed of two fused cyclopropene rings. Computational studies indicate that the...
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acetate. The reversibility of the interconversion of 3-sulfolene with buta-1,3-diene and sulfur dioxide suggests the use of sulfolene as a recyclable aprotic...
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may refer to: Diacetylene, or butadiyne Propalene, or bicyclo[1.1.0]buta-1,3-diene This set index page lists chemical structure articles associated with...
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the case of a photochemically driven electrocyclic ring-closure of buta-1,3-diene, electronic promotion causes Ψ 3 {\displaystyle \Psi _{3}} to become...
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Coenzyme B12-Dependent 2-Methyleneglutarate Mutase by (Z)-Glutaconate and Buta-1,3-diene-2,3-dicarboxylate". Eur. J. Inorg. Chem. 2006 (18): 3622–3626. doi:10...
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synthesized by photolysis. Two different examples involve Argon gas and buta-1,3-diene in a mole ratio of 1500:1 Argon gas and acetylene in a mole ratio of...
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poly[styrene-per-isoprene-per-(4-vinylpyridine)] block block (C) poly(buta-1,3-diene)-block-poly(ethene-co-propene) grafta graft (C) polystyrene-graft-poly(ethylene...
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isomer was formed in two steps by reaction of 1,4-bis(trimethylsilyl)buta-1,3-diene with methyllithium and dichloromethane, introducing two cyclopropane...
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nickel-catalyzed synthesis of adiponitrile (NC−(CH2)4−CN) synthesis from buta-1,3-diene (CH2=CH−CH=CH2). Adiponitrile is a precursor to hexamethylenediamine...
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respectively, much like its precursor. W(PMe3)4(η2-CH2O)H2 also reacts with buta-1,3-diene to give W(PMe3)3(η2-CH2O)(η-C4H6). W(PMe3)4(η2-CH2O)H2 can also be used...
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of dienes and on the synthesis of the starting monomers for synthetic rubber. He had patented more than 20 ways to produce butadiene (buta-1,3-diene),...
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dienophile with diene to form a cyclohexene ring. The figure below shows Diels-Alder reaction with the simplest diene – buta-1,3-diene. Comonomer must...
24 KB (2,703 words) - 10:53, 12 January 2024
W(PMe3)2(η2-C4H6)2 is produced. W(PMe3)4(η2-CH2PMe2)H will ligate to buta-1,3-diene when the latter is in vast excess and in the presence of light petroleum...
60 KB (5,991 words) - 16:44, 5 July 2024
& -7.28eV, assigned the in-phase overlap of the Si 3py orbital and buta-1,3-diene-like π3 of the diimine. The HOMO in the tetravalent Si-hydrogenated...
36 KB (4,605 words) - 23:15, 12 August 2023