Quick Access to Diverse Polymerizable Molecules (a Monomer Library) by Catalytic [2 + 2 + 2] Cycloaddition Reactions of Functionalized Alkynes

Autor:	Naoko Saino, Ayami Nomura, Avijit Goswami, Sentaro Okamoto, Yu-ki Sugiyama, Suzumi Azumatei, Jun-ichi Watanabe
Rok vydání:	2010
Předmět:	Polymers and Plastics Organic Chemistry Cationic polymerization Oxetane Cycloaddition Inorganic Chemistry chemistry.chemical_compound Monomer chemistry Phenylacetylene Reagent Pyridine Polymer chemistry Materials Chemistry Copolymer Organic chemistry
Zdroj:	Macromolecules. 43:2213-2218
ISSN:	1520-5835 0024-9297
DOI:	10.1021/ma902792a
Popis:	The [2 + 2 + 2] cycloaddition reactions of 1,6-diynes and alkynes with a functional group(s), such as epoxide, oxetane, ester, alcohol, phenol, amine, borate, styrene, and methacrylate, catalyzed by a dipimp/CoCl2·6H2O/Zn reagent [dipimp: 2-(2,6-diisopropylphenyl)-iminomethyl-pyridine] yielded a variety of polymerizable molecules (monomers) having a 2,3-dihydro-1H-indene core structure. Similarly, the [2 + 2 + 2] cycloaddition reactions of 1,6-diynes and nitriles with a functional group(s) catalyzed by a dppe/CoCl2·6H2O/Zn reagent [dppe: 1,2-bis(diphenylphosphino)ethane] gave a variety of polymerizable molecules (monomers) with a 6,7-dihydro-5H-cyclopenta[c]pyridine core structure. Among the resulting monomers, 5-phenyl-1,3-dihydrospiro[indene-2,3′-oxetane] prepared from 3,3-di(prop-2-ynyl)oxetane and phenylacetylene was representatively polymerized in the presence of BF3 catalyst. A cationic random copolymerization of one of 1,3-dihydrospiro[indene-2,3′-oxetane] derivatives with 3-ethyl-3-(phenoxymethyl)...
Databáze:	OpenAIRE
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