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Volumn 9, Issue 18, 2007, Pages 3591-3594

Removal, recovery, and recycling of triarylphosphonium-supported tin reagents for various organic transformations

Author keywords

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Indexed keywords


EID: 34548543459     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol701447q     Document Type: Article
Times cited : (35)

References (58)
  • 4
    • 0004269715 scopus 로고    scopus 로고
    • Renaud, P, Sibi, M. P, Eds, Wiley-VCH: Weinheim
    • (d) Radicals in Organic Synthesis; Renaud, P., Sibi, M. P., Eds.; Wiley-VCH: Weinheim, 2001.
    • (2001) Radicals in Organic Synthesis
  • 5
    • 0004063249 scopus 로고    scopus 로고
    • 2nd ed, Davies, A. L, Ed, Wiley-VCH: Weinheim, New York
    • (e) Organotin Chemistry, 2nd ed.; Davies, A. L., Ed.; Wiley-VCH: Weinheim, New York, 2004.
    • (2004) Organotin Chemistry
  • 7
    • 34548540282 scopus 로고    scopus 로고
    • Several approaches have been reported to remove tin hydride residues from reaction mixtures: (a) Berge, J. M.; Roberts, S. M. Synthesis 1979, 471.
    • Several approaches have been reported to remove tin hydride residues from reaction mixtures: (a) Berge, J. M.; Roberts, S. M. Synthesis 1979, 471.
  • 15
    • 85080848604 scopus 로고    scopus 로고
    • For a discussion of this issue, see: a
    • For a discussion of this issue, see: (a) Baguley, P. A.; Walton, J. C. Angew. Chem., Int. Ed. 1998, 37, 3073.
    • (1998) Angew. Chem., Int. Ed , vol.37 , pp. 3073
    • Baguley, P.A.1    Walton, J.C.2
  • 22
    • 0025360269 scopus 로고
    • For pioneering work on removal of tin reagents, see: a
    • For pioneering work on removal of tin reagents, see: (a) Light, J.; Breslow, R. Tetrahedron Lett. 1990, 31, 2957.
    • (1990) Tetrahedron Lett , vol.31 , pp. 2957
    • Light, J.1    Breslow, R.2
  • 24
    • 0027641003 scopus 로고
    • For solid supported tin reagents: a
    • For solid supported tin reagents: (a) Neumann, W. P.; Peterseim, M. React. Polym. 1993, 20, 189.
    • (1993) React. Polym , vol.20 , pp. 189
    • Neumann, W.P.1    Peterseim, M.2
  • 39
    • 34548533101 scopus 로고    scopus 로고
    • 2 solution upon ether addition (ca. ≤5:1 v/v). With reagent 2 and 3, hexanes had to be used in significant amounts (ca. 9:1 v/v).
    • 2 solution upon ether addition (ca. ≤5:1 v/v). With reagent 2 and 3, hexanes had to be used in significant amounts (ca. 9:1 v/v).
  • 43
    • 34548528029 scopus 로고    scopus 로고
    • Analysis by ICP-AES of the product indicated that the concentration in residual tin of the final product was 13 ppm (crude) and <5 ppm after flash chromatography
    • Analysis by ICP-AES of the product indicated that the concentration in residual tin of the final product was 13 ppm (crude) and <5 ppm (after flash chromatography).
  • 44
    • 34548533332 scopus 로고    scopus 로고
    • See Supporting Information for typical crude NMR spectra and further experimental details
    • See Supporting Information for typical crude NMR spectra and further experimental details.
  • 47
    • 34548532880 scopus 로고    scopus 로고
    • 2 containing traces of BHT.
    • 2 containing traces of BHT.
  • 50
    • 34548532422 scopus 로고    scopus 로고
    • Analysis by ICP-AES of the crude product indicated that the concentration in residual tin of the final product was 5 ppm crude
    • Analysis by ICP-AES of the crude product indicated that the concentration in residual tin of the final product was 5 ppm (crude).
  • 53
    • 34548524051 scopus 로고    scopus 로고
    • For supported allyltin reagents, see: (a) Ref 8a. (b) Ref 7j.
    • For supported allyltin reagents, see: (a) Ref 8a. (b) Ref 7j.
  • 58
    • 34548531968 scopus 로고    scopus 로고
    • Analysis by ICP-AES of the crude product indicated that the concentration in residual tin of the final product was 7 ppm
    • Analysis by ICP-AES of the crude product indicated that the concentration in residual tin of the final product was 7 ppm.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.