{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["60(41)"],"submitter":["Wang X"],"pubmed_abstract":["A series of alkyl-subsituted dienyltriphenylarsonium ylides were synthesized and used as monomers in borane-initiated polymerization to obtain practically pure C5-polymers (main-chain grows by five carbon atoms at a time). The impact of triethylborane (Et<sub>3</sub> B), tributylborane (Bu<sub>3</sub> B), tri-sec-butylborane (s-Bu<sub>3</sub> B), and triphenylborane (Ph<sub>3</sub> B) initiators on C5 polymerization was studied. Based on NMR and SEC results, we have shown that all synthesized polymers have C5 units with a unique unsaturated backbone where two conjugated double bonds are separated by one methylene. The synthesized C5-polymers possess predictable molecular weights and narrow molecular weight distributions (M<sub>n,NMR</sub> =2.8 -11.9 kg mol<sup>-1</sup> , Ð=1.04-1.24). It h"],"journal":["Angewandte Chemie (International ed. in English)"],"pagination":["22469-22477"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8518972"],"repository":["biostudies-literature"],"pubmed_title":["Steric Hindrance Drives the Boron-Initiated Polymerization of Dienyltriphenylarsonium Ylides to Photoluminescent C5-Polymers."],"pmcid":["PMC8518972"],"pubmed_authors":["Hadjichristidis N","Wang X"],"additional_accession":[]},"is_claimable":false,"name":"Steric Hindrance Drives the Boron-Initiated Polymerization of Dienyltriphenylarsonium Ylides to Photoluminescent C5-Polymers.","description":"A series of alkyl-subsituted dienyltriphenylarsonium ylides were synthesized and used as monomers in borane-initiated polymerization to obtain practically pure C5-polymers (main-chain grows by five carbon atoms at a time). The impact of triethylborane (Et<sub>3</sub> B), tributylborane (Bu<sub>3</sub> B), tri-sec-butylborane (s-Bu<sub>3</sub> B), and triphenylborane (Ph<sub>3</sub> B) initiators on C5 polymerization was studied. Based on NMR and SEC results, we have shown that all synthesized polymers have C5 units with a unique unsaturated backbone where two conjugated double bonds are separated by one methylene. The synthesized C5-polymers possess predictable molecular weights and narrow molecular weight distributions (M<sub>n,NMR</sub> =2.8 -11.9 kg mol<sup>-1</sup> , Ð=1.04-1.24). It h","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Oct","modification":"2025-04-19T15:10:43.169Z","creation":"2025-04-19T15:10:43.169Z"},"accession":"S-EPMC8518972","cross_references":{"pubmed":["34387919"],"doi":["10.1002/anie.202109190"]}}