메뉴 건너뛰기




Volumn 43, Issue 17, 2010, Pages 7062-7067

Synthesis and topological conversion of an 8-shaped poly(THF) having a metathesis-cleavable unit at the focal position

Author keywords

[No Author keywords available]

Indexed keywords

[2]CATENANE; CARBOXYLATE GROUPS; CLEAVAGE PRODUCTS; CLEAVAGE REACTION; COVALENT FIXATION; ELECTROSTATIC SELF ASSEMBLY; FOCAL POSITIONS; GRUBBS CATALYSTS; ISOMERIC FORMS; MALDI-TOF; MASS ANALYSIS; OLEFINIC GROUPS; OLEFINIC UNIT; POLY(TETRAHYDROFURAN); PREPOLYMERS; REMOTE SITES; SECOND GENERATION; SIMPLE LOOP; TELECHELICS; VINYL ETHERS;

EID: 77956403277     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma1012094     Document Type: Article
Times cited : (19)

References (70)
  • 1
    • 0003952293 scopus 로고    scopus 로고
    • 2 nd ed.;; Kluwer: Dordrecht, The Netherlands
    • Cyclic Polymers, 2 nd ed.; Semlyen, J. A.; Kluwer: Dordrecht, The Netherlands, 2001.
    • (2001) Cyclic Polymers
    • Semlyen, J.A.1
  • 7
    • 0038713937 scopus 로고    scopus 로고
    • For recent examples by ring-expansion polymerization, see
    • For recent examples by ring-expansion polymerization, see: Bielawski, C. W.; Benitez, D.; Grubbs, R. H. J. Am. Chem. Soc. 2003, 125, 8424-8425
    • (2003) J. Am. Chem. Soc. , vol.125 , pp. 8424-8425
    • Bielawski, C.W.1    Benitez, D.2    Grubbs, R.H.3
  • 15
    • 2342503247 scopus 로고    scopus 로고
    • For recent examples by end-to-end polymer cyclization, see
    • For recent examples by end-to-end polymer cyclization, see: Kubo, M.; Kato, N.; Uno, T.; Ito, T. Macromolecules 2004, 37, 2762-2765
    • (2004) Macromolecules , vol.37 , pp. 2762-2765
    • Kubo, M.1    Kato, N.2    Uno, T.3    Ito, T.4
  • 51
    • 73249123223 scopus 로고    scopus 로고
    • For a review on polymeric catenanes, see
    • For a review on polymeric catenanes, see: Niu, Z.; Gibson, H. W. Chem. Rev. 2009, 109, 6024-6046
    • (2009) Chem. Rev. , vol.109 , pp. 6024-6046
    • Niu, Z.1    Gibson, H.W.2
  • 53
    • 0001063693 scopus 로고
    • Topological conversion involving polymers having various cyclic structures, see:,. An effective catenane synthesis has been achieved by using an 8-shaped precursor having a covalently-linked intertwined focal structure unit and the subsequent cleavage reaction
    • Topological conversion involving polymers having various cyclic structures, see: Walba, D. M. Tetrahedron 1985, 41, 3161-3212. An effective catenane synthesis has been achieved by using an 8-shaped precursor having a covalently-linked intertwined focal structure unit and the subsequent cleavage reaction
    • (1985) Tetrahedron , vol.41 , pp. 3161-3212
    • Walba, D.M.1
  • 55
    • 0038631786 scopus 로고    scopus 로고
    • The template synthesis could produce catenane products having large ring units in good yields. On the other hand, the catenane yield decreases with introduction of a flexible spacer
    • Shah, M. R.; Duda, S.; Müller, B.; Godt, A.; Malik, A. J. Am. Chem. Soc. 2003, 125, 5408-5414. The template synthesis could produce catenane products having large ring units in good yields. On the other hand, the catenane yield decreases with introduction of a flexible spacer
    • (2003) J. Am. Chem. Soc. , vol.125 , pp. 5408-5414
    • Shah, M.R.1    Duda, S.2    Müller, B.3    Godt, A.4    Malik, A.5
  • 59
    • 77956410231 scopus 로고    scopus 로고
    • An alternative tetracarboxylate containing an allyloxy analogue, i.e., 2-butenyl, group was also employed, but the reaction was not effectively controlled as in the present system
    • An alternative tetracarboxylate containing an allyloxy analogue, i.e., 2-butenyl, group was also employed, but the reaction was not effectively controlled as in the present system.
  • 62
    • 77956407708 scopus 로고    scopus 로고
    • A first generation Grubbs catalyst was also employed but was not as effective as the second generation counterpart
    • A first generation Grubbs catalyst was also employed but was not as effective as the second generation counterpart.
  • 67
    • 0000681082 scopus 로고    scopus 로고
    • In the model reaction between the Grubbs catalyst and ethyl vinyl ether, we observed the persistent presence of the catalyst species for several hours. See also
    • In the model reaction between the Grubbs catalyst and ethyl vinyl ether, we observed the persistent presence of the catalyst species for several hours. See also: Ulman, M.; Grubbs, R. H. Organometallics 1998, 17, 2484-2489
    • (1998) Organometallics , vol.17 , pp. 2484-2489
    • Ulman, M.1    Grubbs, R.H.2
  • 68
    • 53349138704 scopus 로고    scopus 로고
    • For signal assignments, see
    • For signal assignments, see: Kim, I. S.; Dong, G. R.; Jung, Y. H. J. Org. Chem. 2007, 72, 5424-5426
    • (2007) J. Org. Chem. , vol.72 , pp. 5424-5426
    • Kim, I.S.1    Dong, G.R.2    Jung, Y.H.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.