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Volumn 129, Issue 41, 2007, Pages 12366-12367

A new use of wittig-type reagents as 1,3-dipolar cycloaddition precursors and in pyrrole synthesis

Author keywords

[No Author keywords available]

Indexed keywords

HETEROCYCLIC COMPOUND; PHOSPHORUS DERIVATIVE; PYRROLE DERIVATIVE; REAGENT;

EID: 35348985374     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja074330w     Document Type: Article
Times cited : (145)

References (30)
  • 2
    • 0004101860 scopus 로고
    • Padwa, A, Ed, Wiley: New York
    • (b) 1,3-Dipolar Cycloaddition Chemistry; Padwa, A., Ed.; Wiley: New York, 1984; Vol. 1.
    • (1984) 1,3-Dipolar Cycloaddition Chemistry , vol.1
  • 11
    • 0141456937 scopus 로고    scopus 로고
    • 5 In addition, for the closest related example, a trifluoromethyl-substituted [1,4,2]-oxazaphospholine has been shown to behave as a dipole precursor (Burger, K.; Fehn, J.; Moll, E. Chem. Ber. 1971, 104, 1826). However, a simple phosphorus ylide (e.g., 2′) has not been used as a 1,3-dipole.
    • 5 In addition, for the closest related example, a trifluoromethyl-substituted [1,4,2]-oxazaphospholine has been shown to behave as a dipole precursor (Burger, K.; Fehn, J.; Moll, E. Chem. Ber. 1971, 104, 1826). However, a simple phosphorus ylide (e.g., 2′) has not been used as a 1,3-dipole.
  • 12
    • 35348959332 scopus 로고    scopus 로고
    • 31P NMR signal (δ -16.9, Handbook of Phosphorus-31 NMR Data; Tebby, J. C., Ed.; CRC Press: Boston, 1991). Nevertheless, a Wittigtype 2b′ cannot be ruled out, with the reactive form as the 1,3-dipole 2b.
    • 31P NMR signal (δ -16.9, Handbook of Phosphorus-31 NMR Data; Tebby, J. C., Ed.; CRC Press: Boston, 1991). Nevertheless, a Wittigtype 2b′ cannot be ruled out, with the reactive form as the 1,3-dipole 2b.
  • 14
    • 35348933133 scopus 로고    scopus 로고
    • PhP(catechyl) can be generated in one step from commercial materials; see Supporting Information
    • PhP(catechyl) can be generated in one step from commercial materials; see Supporting Information.
  • 15
    • 33644658464 scopus 로고    scopus 로고
    • Recent pyrrole syntheses: (a) Beck, E. M.; Grimster, N. P.; Hatley, R.; Gaunt, M. J. J. Am. Chem. Soc. 2006, 128, 2528.
    • Recent pyrrole syntheses: (a) Beck, E. M.; Grimster, N. P.; Hatley, R.; Gaunt, M. J. J. Am. Chem. Soc. 2006, 128, 2528.
  • 29
    • 35349022457 scopus 로고    scopus 로고
    • In contrast, the palladium-catalyzed pyrrole synthesis from these reagents is limited to stabilized imines and acid chlorides ref 4a
    • In contrast, the palladium-catalyzed pyrrole synthesis from these reagents is limited to stabilized imines and acid chlorides (ref 4a).
  • 30
    • 35348948894 scopus 로고    scopus 로고
    • A 2:1 mixture of these pyrroles is generated via Münchnones.
    • A 2:1 mixture of these pyrroles is generated via Münchnones.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.