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Volumn 3, Issue 25, 2001, Pages 4079-4082

A rapid access to biaryl ether containing macrocycles by pairwise use of Ugi 4CR and intramolecular SNAr-based cycloetherification

Author keywords

[No Author keywords available]

Indexed keywords

AMMONIUM CHLORIDE; ETHER DERIVATIVE; SOLVENT;

EID: 0035856895     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol0168420     Document Type: Article
Times cited : (95)

References (51)
  • 12
  • 16
    • 1542527790 scopus 로고    scopus 로고
    • Zhu, J. Synlett 1997, 133-144.
    • (1997) Synlett , pp. 133-144
    • Zhu, J.1
  • 42
    • 0008180115 scopus 로고
    • The failure of the Ugi reaction in MeOH has been observed in other cases, see, for example: Neyer, G.; Achatz, J.; Danzer, B.; Ugi, I. Heterocycles 1990, 30, 863-869.
    • (1990) Heterocycles , vol.30 , pp. 863-869
    • Neyer, G.1    Achatz, J.2    Danzer, B.3    Ugi, I.4
  • 45
    • 0043039233 scopus 로고    scopus 로고
    • note
    • Since refluxing using Dean-Stark apparatus is inconvenient from the perspective view of parallel synthesis, only toluene was investigated further.
  • 49
    • 0000903444 scopus 로고
    • For an earlier study concerning the salt effect on the Ugi reaction, see: McFarland, J. M. J. Org. Chem. 1963, 28, 2179-2181.
    • (1963) J. Org. Chem. , vol.28 , pp. 2179-2181
    • McFarland, J.M.1
  • 50
    • 0043039234 scopus 로고    scopus 로고
    • note
    • 2, heptane/EtOAc = 60/40) to afford 5a (67 mg, 60%) as a mixture of two diastereoisomers (1/1 ratio).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.