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Volumn 70, Issue 15, 2005, Pages 6114-6117

Metalation of Biginelli compounds. A general unprecedented route to C-6 functionalized 4-aryl-3,4-dihydropyrimidinones

Author keywords

[No Author keywords available]

Indexed keywords

CARBON; LITHIUM COMPOUNDS; NEGATIVE IONS; ORGANIC COMPOUNDS; VINYL RESINS;

EID: 22244435902     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo050675q     Document Type: Article
Times cited : (55)

References (24)
  • 1
    • 0034518876 scopus 로고    scopus 로고
    • and references therein
    • Kappe, C. O. Acc. Chem. Res. 2000, 33, 879 and references therein.
    • (2000) Acc. Chem. Res. , vol.33 , pp. 879
    • Kappe, C.O.1
  • 16
    • 22244458337 scopus 로고    scopus 로고
    • note
    • Use of n-BuLi was found not to yield satisfactory results.
  • 17
    • 22244475841 scopus 로고    scopus 로고
    • note
    • Although a number of lithio intermediates can be envisioned, metalated 1 in this note is depicted as the C-6 and N-localized anion for simplicity and clarity.
  • 18
    • 22244447503 scopus 로고    scopus 로고
    • note
    • The anion generation time was also reduced from 3 to 1.5 h.
  • 19
    • 22244431630 scopus 로고    scopus 로고
    • note
    • 2g in 80% yield. (Equation Presented)
  • 20
    • 22244486076 scopus 로고    scopus 로고
    • note
    • 1H NMR spectra of the isolated diastereomers, the chemical shifts showed considerable separation (see Supporting Information).
  • 24
    • 22244487374 scopus 로고    scopus 로고
    • note
    • 13C NMR and mass spectra. All compounds gave a single spot on TLC analysis and correct micro analytical data (see Supporting Information).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.