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Volumn 61, Issue 21, 1996, Pages 7408-7414

Synthesis and conformational preferences of a potential β-sheet nucleator based on the 9,9-dimethylxanthene skeleton

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ACID DERIVATIVE; XANTHENE DERIVATIVE;

EID: 0029905832     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo9605758     Document Type: Article
Times cited : (29)

References (45)
  • 32
    • 16044365870 scopus 로고    scopus 로고
    • note
    • Quenching the reaction mixture of 1 with carbon tetraiodide produced 2 in a 40% yield; however, purification proved difficult due to iodinated xanthene side products. The aryl halide products resulting from quenching the reaction mixture with either carbon tetrabromide (88% yield) or carbon tetrachloride (74% yield) were easily purified but were unreactive in subsequent palladium cross-coupling reactions.
  • 44
    • 16044367504 scopus 로고    scopus 로고
    • note
    • Variable temperature NMR studies were conducted on 12 at 6.5, 1, and 0.5 mM concentrations and indicated no concentration dependence. There was downfield deviation observed for amide B at 6.5 mM, below 243 K. We ascribe this deviation to the beginning of intermolecular aggregation.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.