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Volumn , Issue 13, 2004, Pages 2315-2318

A practical and user-friendly method for the selenium-free one-step preparation of 1,2-diketones and their monoxime analogs

Author keywords

oximation; 1,2 Diketones; 1,2 Dione monoximes; Nitrosation; Oxidations

Indexed keywords

1,2 DIKETONE; 1,2 DIONE OXIME; DIKETONE; OXIME DERIVATIVE; SELENIUM; UNCLASSIFIED DRUG;

EID: 8644263988     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2004-832815     Document Type: Article
Times cited : (15)

References (36)
  • 29
    • 8644261117 scopus 로고    scopus 로고
    • note
    • 1H NMR of 2 showed a significantly low field shifted singlet at δ = 8.53 ppm accounting for an OH group being part of a hydrogen bridge.
  • 30
    • 8644257851 scopus 로고    scopus 로고
    • note
    • +, 161 (16), 149 (10), 143 (23), 132 (27), 111 (32), 98 (100), 84 (67), 55 (71).
  • 31
    • 8644220046 scopus 로고    scopus 로고
    • note
    • In a control experiment we could show that diketone 3 did not react further to give the corresponding 1,2,3-trione, even if large excess of sodium nitrite in combination with longer reaction times was used.
  • 32
    • 8644243376 scopus 로고    scopus 로고
    • note
    • 2 and 25 mL of concd HCl. The crude product was purified either by filtration over a pad of silica gel (5:1) using hexane-EtOAc (50:1) as eluent or by crystallization from hexane-EtOAc.
  • 33
    • 8644260358 scopus 로고    scopus 로고
    • note
    • 3 (241.33): C, 64.70; H, 9.61; N, 5.80. Found: C, 64.83; H, 9.70; N, 5.88.
  • 35
    • 8644259530 scopus 로고    scopus 로고
    • note
    • +], 77 (75), 69 (100), 55 (94).
  • 36
    • 8644245421 scopus 로고    scopus 로고
    • note
    • Several reactions were conducted on a 20 g scale.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.