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Volumn 72, Issue 10, 2007, Pages 3976-3979

Copper-mediated synthesis of tertiary diaryl squaramides

Author keywords

[No Author keywords available]

Indexed keywords

BROMINE COMPOUNDS; CATALYST ACTIVITY; CHEMICAL BONDS; COPPER; DERIVATIVES; SYNTHESIS (CHEMICAL);

EID: 34248597150     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo0703931     Document Type: Article
Times cited : (9)

References (53)
  • 13
    • 9644277114 scopus 로고    scopus 로고
    • Reviews on Cu-catalyzed C-N bond formation: Beletskaya, I. P.; Cheprakov, A. V. Coord. Chem. Rev. 2004, 248, 2337.
    • Reviews on Cu-catalyzed C-N bond formation: Beletskaya, I. P.; Cheprakov, A. V. Coord. Chem. Rev. 2004, 248, 2337.
  • 16
    • 33644758102 scopus 로고    scopus 로고
    • For examples of amide arylation see: (a) Yuen, J, Fang, Y.-Q, Lautens, M. Org. Lett. 2006, 8, 653
    • For examples of amide arylation see: (a) Yuen, J.; Fang, Y.-Q.; Lautens, M. Org. Lett. 2006, 8, 653.
  • 38
    • 34248517292 scopus 로고    scopus 로고
    • X-ray structures of diaryl squaramides reveal the N-N distance to be 3.3 Å see ref 3
    • X-ray structures of diaryl squaramides reveal the N-N distance to be 3.3 Å (see ref 3).
  • 39
    • 34248557688 scopus 로고    scopus 로고
    • The poor solubility of 1a in dioxane or toluene restricted us to DMF.
    • The poor solubility of 1a in dioxane or toluene restricted us to DMF.
  • 41
    • 34248507021 scopus 로고    scopus 로고
    • Squaramides could be highly acidic for reasons similar to that of squaric acid (see: Smith M. B.; March J. March's Advanced Organic Chemistry, 5th ed.; Wiley-Interscience: New York, 2001; p 70).
    • Squaramides could be highly acidic for reasons similar to that of squaric acid (see: Smith M. B.; March J. March's Advanced Organic Chemistry, 5th ed.; Wiley-Interscience: New York, 2001; p 70).
  • 44
    • 34248567901 scopus 로고    scopus 로고
    • The importance of the rate of arylation matching the rate of deprotonation has been noted earlier by Buchwald and co-workers see ref 5q
    • The importance of the rate of arylation matching the rate of deprotonation has been noted earlier by Buchwald and co-workers (see ref 5q).
  • 45
    • 84977291942 scopus 로고    scopus 로고
    • The squaramides 1b-d respectively were prepared as reported in: Schmidt, A. H. Synthesis 1980, 961.
    • The squaramides 1b-d respectively were prepared as reported in: Schmidt, A. H. Synthesis 1980, 961.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.