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Volumn 71, Issue 18, 2006, Pages 7063-7066

Efficient and mild microwave-assisted stepwise functionalization of naphthalenediimide with α-amino acids

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ACIDS; CARBOXYLIC ACIDS; CONDENSATION; DIELECTRIC HEATING; MICROWAVES; REACTION KINETICS;

EID: 33750472313     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo061195h     Document Type: Article
Times cited : (60)

References (42)
  • 32
    • 0001705138 scopus 로고
    • For conventional methods in the synthesis of phthalimido amino acids, see (a) Bose, A. K.; Greer, F.; Price, C. C. J. Org. Chem. 1958, 23, 1335-1338.
    • (1958) J. Org. Chem. , vol.23 , pp. 1335-1338
    • Bose, A.K.1    Greer, F.2    Price, C.C.3
  • 37
    • 18044386383 scopus 로고    scopus 로고
    • See also
    • For some examples, see refs 2b-f, 3b, 5c, 5e-f. See also Jursic, B. S.; Patel, P. K. Carbohydr. Res. 2005, 340, 1413-1418.
    • (2005) Carbohydr. Res. , vol.340 , pp. 1413-1418
    • Jursic, B.S.1    Patel, P.K.2
  • 39
    • 33750464922 scopus 로고    scopus 로고
    • note
    • A 800 W domestic microwave oven (home appliance); in these conditions and irradiating at full power, the solvent refluxes in about 20 s.
  • 40
    • 33750482320 scopus 로고    scopus 로고
    • note
    • In an attempt to solve this problem, the reaction was conducted in the presence of a stoichiometric and substoichiometric amounts of triethylamine, or using the more hindered base, diisopropylethylamine (Hunig's base). Unfortunately, in all the cases, complex mixtures were obtained with no sign of product formation. When no base was added, the reaction was not complete, even after irradiation for 30 min at 140 °C, using the dedicated microwave reactor.
  • 41
    • 33750484741 scopus 로고    scopus 로고
    • note
    • Some concentration-dependent changes in chemical shift were also observed.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.