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Polyacetylenes

Known as: Polyacetylene, Polyacetylenes [Chemical/Ingredient], Polyynes 
Hydrocarbons with more than one triple bond; or an oxidized form of POLYENES. They can react with SULFUR to form THIOPHENES.
National Institutes of Health

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14,15-dihydrosiphonodiol17-octadecene-9,11,13-triynoic acidcallyspongidiolcorticatic acid A
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Papers overview

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Highly Cited
2006
Highly Cited
2006
Spatial extent of the singlet and triplet excitons in luminescent angular-shaped transition-metal diynes and polyynes comprising non-pi-conjugated group 16 main group elements.
A novel approach based on conjugation interruption has been developed and is presented for a series of luminescent and thermally… 
Highly Cited
2000
Highly Cited
2000
Synthesis of expanded graphdiyne substructures
Graphdiyne (1) is a member of a novel family of interesting and potentially important allotropes of carbon. Reported herein are… 
Highly Cited
1998
Highly Cited
1998
Synthesis, Electrochemistry, and Spectroscopy of Blue Platinum(II) Polyynes and Diynes.
The smallest band gap observed so far (1.77 eV) for an organometallic polymer is exhibited by the blue, rigid-rod polymer 2… 
Highly Cited
1998
Highly Cited
1998
Liquid Crystalline Polyacetylenes: Synthesis and Properties of Poly{n-[((4‘-cyano-4-biphenylyl)oxy)carbonyl]-1-alkynes}
It is generally believed that cyano functionality is "toxic" to the classical MoCl5- and WCl6- based metathesis catalysts, but we… 
Highly Cited
1990
Highly Cited
1990
Template-Synthesized Polyacetylene Fibrils Show Enhanced Supermolecular Order
Abstract : We have recently described a template method for synthesizing nanoscopic conductive polymer fibrils. In this method… 
Highly Cited
1990
Highly Cited
1990
First-principles calculations of the three-dimensional structure and intrinsic defects in trans-polyacetylene.
We report a first-principles, local-density-functional (LDA) calculation of the electronic structure of crystalline, three… 
Highly Cited
1989
Highly Cited
1989
Spectrum of chi (3)(-3 omega; omega, omega, omega ) in polyacetylene: An application of free-electron laser in nonlinear optical spectroscopy.
We have measured the full spectrum of the third-order optical susceptibiltiy, ${\ensuremath{\chi}}^{(3)}$(\ensuremath{\omega… 
Highly Cited
1985
Highly Cited
1985
First-order transition to a metallic state in polyacetylene: A strong-coupling polaronic metal.
We present a theory of the first-order transition to the metallic state in polyacetylene in terms of a crossover from a lattice… 
Highly Cited
1985
Highly Cited
1985
The particle in the box model for resonance Raman scattering in polyacetylene
Abstract 
Highly Cited
1984
Highly Cited
1984
Breathers and Photoinduced Absorption in Polyacetylene
The dynamics of trans-polyacetylene is studied within the adiabatic model of Su, Schrieffer, and Heeger. A single soliton has a… 
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