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Volumn 30, Issue 1, 2000, Pages 15-21

A practical synthesis of 1,4,7,10-tetraazacyclododecane, a pivotal precursor for MRI contrast agents

Author keywords

[No Author keywords available]

Indexed keywords

CONTRAST MEDIUM; DODECANE; ETHYLENEDIAMINE; GADOLINIUM; GADOTERIC ACID; GLYOXAL; LANTHANIDE; MACROCYCLIC COMPOUND; METAL COMPLEX;

EID: 0033961879     PISSN: 00397911     EISSN: None     Source Type: Journal    
DOI: 10.1080/00397910008087287     Document Type: Article
Times cited : (9)

References (17)
  • 8
    • 0030796167 scopus 로고    scopus 로고
    • Weisman, G.R. and Reed, D.P. J.Org.Chem. 1996, 61, 5186; ibid. 1997, 62, 4548.
    • (1997) J.Org.Chem. , vol.62 , pp. 4548
  • 10
    • 85038059170 scopus 로고    scopus 로고
    • note
    • Current catalogue prices range from US$ 0.03-0.04/g for technical grade (60-70%), to US$2-4/g for 97% triethylenetetramine.
  • 12
  • 14
    • 85038052906 scopus 로고    scopus 로고
    • note
    • Various attempts to isolate occasionally occurring yellow impurities were unsuccessful, due to the very tiny amount present in the product. However, the different colour of various batches of 5 influenced neither the product characteristics (m.p., spectra) nor the yields of the subsequent steps.
  • 16


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.