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allene

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allene
allene synonym of allylene. ______________________________ [ad. Fr. allène (coined by L. Henry 1875, in Bull. Soc. Chim. Paris XXIII. 350): see allyl n., -ene.] 1. = *propadiene n.1877 H. Watts Fownes' Man. Elem. Chem. (ed. 12) II. 63, β Allylene, or allene, CH2{b2}CH{b2}CH2 [sic], is formed..by the... Oxford English Dictionary
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Allene Ray
Allene Ray (born Allene Ray Burch; January 2, 1901 – May 5, 1979) was an American film actress. Los Angeles Times, "Blonde Brunette Tresses Puzzle for Allene Ray", July 20, 1924, p. B40. wikipedia.org
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Allene (given name)
Allene is a feminine given name. Notable people with the name include: Allene Jeanes (1906–1995), American chemical researcher Allene Ray (1901–1979), American film actress Allene Roberts wikipedia.org
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Allene Roberts
Emma Allene Roberts (September 1, 1928 – May 9, 2019) was an American actress. Filmography References External links Allene Roberts at the American Film Institute Allene Roberts: True to her roots 1928 births 2019 deaths 20th-century wikipedia.org
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Allene Tew
Early life Allene Tew was born in Janesville, Wisconsin, on July 7, 1872. The English translation by Michele Hutchison, An American Princess: The Many Lives of Allene Tew followed in 2017. wikipedia.org
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Allene Johnson
Allene Johnson (born April 20, 1933) is a retired chemical educator who taught in the Summit, New Jersey school system for over 40 years. wikipedia.org
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Allene Crater
Allene Crater (December 1876 – August 1957) was an American actress born in Denver, Colorado. wikipedia.org
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Allene Jeanes
Allene Rosalind Jeanes (July 19, 1906 – December 11, 1995) was an American chemical researcher, whose studies focused mainly on carbohydrates and the wikipedia.org
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Allene Talmey
Allene Rosamond Talmey (January 11, 1903 March 13, 1986), later Allene Talmey Plaut, was an American columnist, editor, reporter and a film reviewer. wikipedia.org
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为什么一个碳原子上不能同时存在两个碳碳双键？
(eds.).Modern Allene Chemistry. zhihu
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Allene oxide
In organic chemistry, an allene oxide is an epoxide of an allene. Allene oxides tend to rearrange to cyclopropanones. Despite the esoteric character of synthetic allene oxides, allene oxides occur naturally. wikipedia.org
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Allene oxide cyclase
In enzymology, an allene-oxide cyclase () is an enzyme that belongs to the family of isomerases, specifically a class of other intramolecular oxidoreductases The allene oxide of linolenic acid (i.e., (9Z)-(13S)-12,13-epoxyoctadeca-9,11,15-trienoate) is converted by allene oxide cyclase to jasmonic acid ((15Z wikipedia.org
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Doering–LaFlamme allene synthesis
In organic chemistry, the Doering–LaFlamme allene synthesis is a reaction of alkenes that converts them to allenes by insertion of a carbon atom. This species undergoes α-elimination of metal halide and ring-opening via an electrocyclic reaction (at least formally) to give the allene. wikipedia.org
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Penta-2,3-dienedioic acid
Penta-2,3-dienedioic acid (one of two chemicals called glutinic acid), is in allene-containing dicarboxylic acid. It was the first allene to be synthesized, in 1887, but the structure of it was thought to be a propyne core instead of an allene. wikipedia.org
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Allenes
Reactions of vinyl ethers 5 (the Saucy–Marbet rearrangement) give allene aldehydes, while propargylic sulfenates 6 give allene sulfoxides. A typical complex is Pt(η2-allene)(PPh3)2. Ni(0) reagents catalyze the cyclooligomerization of allene. Using a suitable catalyst (e.g. wikipedia.org
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