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vinylidene
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vinylidene
vinylidene Chem. (vaɪˈnɪlɪdiːn, vaɪˈnaɪlɪdiːn) [f. vinyl + -idene.] The bivalent radical CH2 = C>.1898 Jrnl. Chem. Soc. LXXIV. i. 188 Acetic anhydride converts it first into oxanilide, and subsequently into vinylidene oxanilide. 1940 [see Saran]. 1980 Chem. in Brit. XVI. 473/1 Vinylidene, indole ...
Oxford English Dictionary
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Vinylidene group
An example is 1,1-dichloroethene (CCl2=CH2) commonly called vinylidene chloride. It and vinylidene fluoride are precursors to commercially useful polymers.
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1,1-Dichloroethene
1,1-Dichloroethene, commonly called 1,1-dichloroethylene or vinylidene chloride or 1,1-DCE, is an organochloride with the molecular formula CHCl. International Agency for Research on Cancer has put vinylidene chloride in Class 2B, meaning possibly carcinogenic to humans.
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polyvinylidene
polyvinylidene Chem. (ˌpɒlɪvaɪˈnɪlɪdiːn, -vaɪˈnaɪlɪdiːn) [f. poly- + vinylidene.] a. Used attrib. in the names of substances which are polymers of vinylidene compounds, esp. polyvinylidene chloride, any of a class of resinous polymers of vinylidene chloride which have the structure {b1}[CH2{b1}CCl2]...
Oxford English Dictionary
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1,1-Difluoroethene
1,1-Difluoroethylene, also known as vinylidene fluoride, is a hydrofluoroolefin. It is a flammable gas. or loss of hydrogen fluoride from 1,1,1-trifluoroethane:
See also
1,2-Difluoroethylene
Perfluoroisobutene
References
Fluoroalkenes
Vinylidene compounds
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Vinylene group
It should not be confused with the vinylidene group =C=CH2 or >C=CH2. See also
Vinyl group, the monovalent group −CH=CH2
Vinylidene group, the other divalent group with formula C2H2, with structure CH2=C<
References
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Vinyl halide
Related compounds include vinylidene chloride and vinylidene fluoride.
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氰基磷杂乙炔
其异构体尚属未知,可能有C≡N-C≡P(异氰基磷杂乙炔)、C=C=N≡P(azaphosphadicarbon)及N≡C-P=C(异氰基磷杂vinylidene)。
该分子的对称性为C∞v。
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Sclarene
References
Diterpenes
Decalins
Polyenes
Vinylidene compounds
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Decinnamoyltaxinine J
Notes
Taxanes
Acetate esters
Vinylidene compounds
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Enprazepine
See also
Tricyclic antidepressant
References
Dimethylamino compounds
Dibenzazepines
Tricyclic antidepressants
Abandoned drugs
Vinylidene compounds
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Methylenolactocin
Notes
Lactones
Carboxylic acids
Vinylidene compounds
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