Results 241 to 250 of about 156,373 (305)
Linking Metallacycle Transfer with Ring-Opening Metathesis to Generate Polyacetylenes of Unprecedented Structure. [PDF]
Angew Chem Int Ed EnglMuralidharan AV, Ferguson MJ, Rivard E.
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Coordinative Ring-Opening Polymerization of Limonene Carbamate Toward Phosgene- and Isocyanate-Free Polyurethane. [PDF]
Angew Chem Int Ed EnglFutter J +4 more
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Strain-Release Induced 1,2-Metallate Rearrangement of Geminal Diborons: Multicomponent 1,5-Difunctionalization via Ring-Opening Coupling. [PDF]
Angew Chem Int Ed EnglGangani AJ +5 more
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Neurology India, 2005
A 12-year-old boy presented to us with subacute onset of progressive quadriparesis and blurring of vision in the right eye. His sensorium was normal. There was hyper-reflexia and spasticity in all four limbs and the plantar reflex was bilaterally extensor. Vision in the right eye was 6/18. The fundus examination was normal. Cerebrospinal fluid revealed
Ata Siddiqui +2 more
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A 12-year-old boy presented to us with subacute onset of progressive quadriparesis and blurring of vision in the right eye. His sensorium was normal. There was hyper-reflexia and spasticity in all four limbs and the plantar reflex was bilaterally extensor. Vision in the right eye was 6/18. The fundus examination was normal. Cerebrospinal fluid revealed
Ata Siddiqui +2 more
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ChemInform, 2005
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Alexander V. Butin, Sergey K. Smirnov
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AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Alexander V. Butin, Sergey K. Smirnov
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Ring Opening of Cyclic Salicylamides
Journal of Pharmaceutical Sciences, 1969The ring opening of four cyclic salicylamides to their phenolic analogs is described. Compounds in which a basic group is separated from the amide nitrogen by a three-carbon chain were found to undergo this reaction considerably more slowly than compounds with a two-carbon chain. Ring opening was shown to be pH dependent and is base-catalyzed.
B M, Phillips, H J, Havera, T L, Hammes
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Journal of the American Chemical Society, 2023
The development of a controlled ring-opening polymerization (ROP) method for synthesizing backbone-functionalized and sequence-controlled polymers with well-defined architectures from macrocyclic monomers is highly desirable in polymer chemistry. Herein, we developed a novel general controlled ROP of macrocycles for producing backbone functional and ...
Wensen Chen +4 more
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The development of a controlled ring-opening polymerization (ROP) method for synthesizing backbone-functionalized and sequence-controlled polymers with well-defined architectures from macrocyclic monomers is highly desirable in polymer chemistry. Herein, we developed a novel general controlled ROP of macrocycles for producing backbone functional and ...
Wensen Chen +4 more
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Macromolecular Rapid Communications, 2000
Since the days of Carothers polycondensations and other step-growth polymerizations were described in the review articles and textbooks on the basis of linear monomers. Having reactive “a” and/or “b” groups, on the other hand, cyclic monomers were usually presented in combination with Ring-Opening Polymerizations (ROPs) which obey the kinetic scheme of
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Since the days of Carothers polycondensations and other step-growth polymerizations were described in the review articles and textbooks on the basis of linear monomers. Having reactive “a” and/or “b” groups, on the other hand, cyclic monomers were usually presented in combination with Ring-Opening Polymerizations (ROPs) which obey the kinetic scheme of
openaire +1 more source