Koyama Y - Search Results

1

Exact helical polymer synthesis by a two-point-covalent-linking protocol between C2-chiral spirobifluorene and C2- or C(s)-symmetric anthraquinone monomers.

Yi Z, Okuda H, Koyama Y, Seto R, Uchida S, Sogawa H, Kuwata S, Takata T. Yi Z, et al. Among authors: koyama y. Chem Commun (Camb). 2015 Jul 4;51(52):10423-6. doi: 10.1039/c5cc02086g. Chem Commun (Camb). 2015. PMID: 26028037

2

Successive catalytic reactions specific to Pd-based rotaxane complexes as a result of wheel translation along the axle.

Miyagawa N, Watanabe M, Matsuyama T, Koyama Y, Moriuchi T, Hirao T, Furusho Y, Takata T. Miyagawa N, et al. Among authors: koyama y. Chem Commun (Camb). 2010 Mar 21;46(11):1920-2. doi: 10.1039/b917053g. Epub 2010 Jan 18. Chem Commun (Camb). 2010. PMID: 20198253

3

C-C bond-forming click synthesis of rotaxanes exploiting nitrile N-oxide.

Matsumura T, Ishiwari F, Koyama Y, Takata T. Matsumura T, et al. Among authors: koyama y. Org Lett. 2010 Sep 3;12(17):3828-31. doi: 10.1021/ol101543x. Org Lett. 2010. PMID: 20677806

4

Size-complementary rotaxane cross-linking for the stabilization and degradation of a supramolecular network.

Kohsaka Y, Nakazono K, Koyama Y, Asai S, Takata T. Kohsaka Y, et al. Among authors: koyama y. Angew Chem Int Ed Engl. 2011 May 16;50(21):4872-5. doi: 10.1002/anie.201008020. Epub 2011 Apr 27. Angew Chem Int Ed Engl. 2011. PMID: 21538736 No abstract available.

5

Graft polyrotaxanes: a new class of graft copolymers with mobile graft chains.

Kohsaka Y, Koyama Y, Takata T. Kohsaka Y, et al. Among authors: koyama y. Angew Chem Int Ed Engl. 2011 Oct 24;50(44):10417-20. doi: 10.1002/anie.201103869. Epub 2011 Sep 9. Angew Chem Int Ed Engl. 2011. PMID: 21910194 No abstract available.

6

A rational design for the directed helicity change of polyacetylene using dynamic rotaxane mobility by means of through-space chirality transfer.

Ishiwari F, Fukasawa K, Sato T, Nakazono K, Koyama Y, Takata T. Ishiwari F, et al. Among authors: koyama y. Chemistry. 2011 Oct 17;17(43):12067-75. doi: 10.1002/chem.201101727. Epub 2011 Sep 16. Chemistry. 2011. PMID: 21922578

7

Rational control of a polyacetylene helix by a pendant rotaxane switch.

Ishiwari F, Nakazono K, Koyama Y, Takata T. Ishiwari F, et al. Among authors: koyama y. Chem Commun (Camb). 2011 Nov 14;47(42):11739-41. doi: 10.1039/c1cc14404a. Epub 2011 Sep 28. Chem Commun (Camb). 2011. PMID: 21952652

8

Intramolecular 1,3-dipolar cycloaddition of nitrile N-oxide accompanied by dearomatization.

Yonekawa M, Koyama Y, Kuwata S, Takata T. Yonekawa M, et al. Among authors: koyama y. Org Lett. 2012 Feb 17;14(4):1164-7. doi: 10.1021/ol300125s. Epub 2012 Feb 9. Org Lett. 2012. PMID: 22320305

9

Selective synthesis of a [3]rotaxane consisting of size-complementary components and its stepwise deslippage.

Akae Y, Okamura H, Koyama Y, Arai T, Takata T. Akae Y, et al. Among authors: koyama y. Org Lett. 2012 May 4;14(9):2226-9. doi: 10.1021/ol300578q. Epub 2012 Apr 20. Org Lett. 2012. PMID: 22519824

10

Catalyst- and solvent-free click synthesis of cyclodextrin-based polyrotaxanes exploiting a nitrile N-oxide.

Jang K, Miura K, Koyama Y, Takata T. Jang K, et al. Among authors: koyama y. Org Lett. 2012 Jun 15;14(12):3088-91. doi: 10.1021/ol3011024. Epub 2012 Jun 7. Org Lett. 2012. PMID: 22676854

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