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Volumn 53, Issue 7, 2005, Pages 723-739

Self-assembled complexes of non-cross-linked amphiphilic polymeric ligands with inorganic species: Highly active and reusable solid-phase polymeric catalysts

Author keywords

Immobilized polymeric catalyst; Palladium; Reusable solid phase catalyst; Self assembly; Titanium; Tungsten

Indexed keywords

ACRYLAMIDE DERIVATIVE; ALCOHOL DERIVATIVE; AMINE; CARBONYL DERIVATIVE; HYDROGEN PEROXIDE; ORGANIC SOLVENT; POLYMER; SULFIDE; WATER;

EID: 24944590785     PISSN: 00092363     EISSN: None     Source Type: Journal    
DOI: 10.1248/cpb.53.723     Document Type: Review
Times cited : (32)

References (144)
  • 43
    • 24944487987 scopus 로고    scopus 로고
    • see ref. 33, 34 and 36
    • It was reported that pH control in aqueous media was important for the tungsten-catalyzed epoxidation, see ref. 33, 34 and 36.
  • 57
    • 24944439039 scopus 로고    scopus 로고
    • note
    • 2 aqueous solution was less successful because dimerization of the substrates occurred. Besides, recycling of PWAA in case of 11a was not efficient to afford 12a in lower yield.
  • 58
    • 24944496787 scopus 로고    scopus 로고
    • note
    • 2 under identical conditions, isomerizations were hardly observed.
  • 68
    • 24944450654 scopus 로고    scopus 로고
    • See ref. 65
    • Noyori et al. reported that the oxidation of sulfides to sulfoxides proceeded efficiently in hydrogen peroxide without catalysts, so that we have not examined the selective oxidation to sulfoxide. See ref. 65.
  • 73
    • 0034721443 scopus 로고    scopus 로고
    • For an example of the Suzuki-Miyaura reaction used by homogeneous palladium catalysts prepared from poly(N-isopropylacrylamide) polymers as soluble and thermoresponsive catalysts: Bergbreiter D. E., Osburn P. L., Wilson A., Sink E. M., J. Am. Chem. Soc., 122, 9058-9064 (2000).
    • (2000) J. Am. Chem. Soc. , vol.122 , pp. 9058-9064
    • Bergbreiter, D.E.1    Osburn, P.L.2    Wilson, A.3    Sink, E.M.4
  • 74
    • 0032652458 scopus 로고    scopus 로고
    • For an example of (N-isopropylacrylamide)polymer-protected palladium nanoparticles for hydrogenation, see: Chen C.-W., Akashi M., Polym., Adv. Technol., 10, 127-133 (1999).
    • (1999) Polym., Adv. Technol. , vol.10 , pp. 127-133
    • Chen, C.-W.1    Akashi, M.2
  • 90
    • 0000677232 scopus 로고
    • Li C.-J., Chem. Rev., 93, 2023-2035 (1993),
    • (1993) Chem. Rev. , vol.93 , pp. 2023-2035
    • Li, C.-J.1
  • 91
  • 93
    • 24944541461 scopus 로고    scopus 로고
    • note
    • It was ascertained that thorough washing with water and THF in preparing PdAS was essential for removing a trace amount of active and homogeneous catalytic species from PdAS.
  • 94
    • 24944448649 scopus 로고    scopus 로고
    • note
    • PdAS was reused after dried in vacuo.
  • 95
    • 24944477359 scopus 로고    scopus 로고
    • note
    • These reactions afforded 300 to 400 mg (2.25 mmol) of the products, so that it was difficult to isolate the products efficiently under organic solvent-free conditions.
  • 109
    • 24944570089 scopus 로고    scopus 로고
    • note
    • 2O was performed for 24 h, 29a was obtained in 65% yield with a significant amount of anisole that was produced by hydrolysis of 20b.
  • 122
    • 0034721443 scopus 로고    scopus 로고
    • The homogeneous Heck reaction catalyzed by poly(N-isopropylacrylamide)- palladium complex under soluble and thermomorphic conditions, see: Bergbreiter D. E., Osburn P. L., Wilson A., Sink E. M., J. Am. Chem. Soc., 122, 9058-9064 (2000).
    • (2000) J. Am. Chem. Soc. , vol.122 , pp. 9058-9064
    • Bergbreiter, D.E.1    Osburn, P.L.2    Wilson, A.3    Sink, E.M.4
  • 141
    • 24944557111 scopus 로고    scopus 로고
    • note
    • 4 was not successful.
  • 142
    • 24944569233 scopus 로고    scopus 로고
    • note
    • It is unclear why the reaction in THF did not proceed. The strong Lewis basicity of THF would reduce a Lewis acidity of the titanium catalyst.
  • 143
    • 24944538769 scopus 로고    scopus 로고
    • note
    • The preparation of the catalyst was reproducible. A different batch of the catalyst was independently prepared from a different batch of the polymer, and showed identical activity and enantioselectivity in this reaction.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.