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Article: Generation-independent dimerization behavior of quadruple hydrogen-bond-containing oligoether dendrons

TitleGeneration-independent dimerization behavior of quadruple hydrogen-bond-containing oligoether dendrons
Authors
Issue Date2006
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/orlef7/index.html
Citation
Organic Letters, 2006, v. 8 n. 9, p. 1811-1814 How to Cite?
AbstractA new series of self-assembling G1-G3 dendronized dimers bearing oligoether dendrons and a dimeric 2-ureido-4-pyrimidinone (UPy) quadruple hydrogen-bonding core were prepared and characterized. It was found that the nonpolar microenvironment created by the dendrons preserved the UPy unit in its DDAA tautomeric form. As a result, the stabilities of the dimers were exceptionally strong for all three generations (Kdim > 2 × 107 M -1 in CDCl3 at 25 °C). Furthermore, the steric size of the dendrons did not exhibit a significant effect on their dimerization behavior. © 2006 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/69726
ISSN
2015 Impact Factor: 6.732
2015 SCImago Journal Rankings: 3.187
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWong, CHen_HK
dc.contributor.authorChow, HFen_HK
dc.contributor.authorHui, SKen_HK
dc.contributor.authorSze, KHen_HK
dc.date.accessioned2010-09-06T06:16:17Z-
dc.date.available2010-09-06T06:16:17Z-
dc.date.issued2006en_HK
dc.identifier.citationOrganic Letters, 2006, v. 8 n. 9, p. 1811-1814en_HK
dc.identifier.issn1523-7060en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69726-
dc.description.abstractA new series of self-assembling G1-G3 dendronized dimers bearing oligoether dendrons and a dimeric 2-ureido-4-pyrimidinone (UPy) quadruple hydrogen-bonding core were prepared and characterized. It was found that the nonpolar microenvironment created by the dendrons preserved the UPy unit in its DDAA tautomeric form. As a result, the stabilities of the dimers were exceptionally strong for all three generations (Kdim > 2 × 107 M -1 in CDCl3 at 25 °C). Furthermore, the steric size of the dendrons did not exhibit a significant effect on their dimerization behavior. © 2006 American Chemical Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/orlef7/index.htmlen_HK
dc.relation.ispartofOrganic Lettersen_HK
dc.titleGeneration-independent dimerization behavior of quadruple hydrogen-bond-containing oligoether dendronsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1523-7060&volume=8&spage=1811&epage=1814&date=2006&atitle=Generation-independent+dimerization+behavior+of+quadruple+hydrogen-bond-containing+oligoether+dendronsen_HK
dc.identifier.emailSze, KH:khsze@hku.hken_HK
dc.identifier.authoritySze, KH=rp00785en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/ol0603716en_HK
dc.identifier.scopuseid_2-s2.0-33646437808en_HK
dc.identifier.hkuros121027en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33646437808&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume8en_HK
dc.identifier.issue9en_HK
dc.identifier.spage1811en_HK
dc.identifier.epage1814en_HK
dc.identifier.isiWOS:000237174500016-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridWong, CH=36862853300en_HK
dc.identifier.scopusauthoridChow, HF=7102303384en_HK
dc.identifier.scopusauthoridHui, SK=13406279000en_HK
dc.identifier.scopusauthoridSze, KH=7006735061en_HK

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