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Volumn 3, Issue 17, 2005, Pages 3140-3160

A phase-switch purification approach for the expedient removal of tagged reagents and scavengers following their application in organic synthesis

Author keywords

[No Author keywords available]

Indexed keywords

CHELATION; COPPER COMPOUNDS; REMOVAL; RESINS; SYNTHESIS (CHEMICAL);

EID: 25444494430     PISSN: 14770520     EISSN: None     Source Type: Journal    
DOI: 10.1039/b503778f     Document Type: Article
Times cited : (35)

References (64)
  • 28
    • 25444434713 scopus 로고    scopus 로고
    • note
    • The solid support may be purchased from the Sigma Aldrich Company Ltd. The copper(II)-containing beads were prepared as follows: Macroporous IRC-718 beads were shaken for 30 min in a 2 M aqueous solution of copper sulfate. The blue beads were filtered and washed with water followed by diethyl ether. The dried copper(II)-containing beads were stored and used as required.
  • 48
    • 25444530083 scopus 로고    scopus 로고
    • note
    • Copper leaching was measured by sampling the reaction mixture and performing Inductively Coupled Plasma (ICP) analysis. This indicated less than 20 ppm Cu (wt/wt), corresponding to approx. 0.25% leaching based upon the original Cu content of the beads.
  • 50
    • 25444452245 scopus 로고    scopus 로고
    • The Bond Elut cartridges were purchased from Varian Ltd.: 28, Manor Road, Walton-on-Thames, Surrey, UK KT12 2QF [fax: + 44(0)1932228769, www.varianinc.com].
  • 51
    • 25444453307 scopus 로고    scopus 로고
    • note
    • A fully automated coherent Emrys Liberatormicrowave system was used. This was purchased from Biotage AC, Hamnesplanaden 5, 75319 Uppsala, Sweden.
  • 61
    • 25444505758 scopus 로고    scopus 로고
    • Patent; Merck and Co.; DE 1695532; 1971
    • Patent; Merck and Co.; DE 1695532; 1971.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.