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Volumn 36, Issue 5, 2007, Pages 604-605

Unexpected ring-opening reaction of aziridine with acetic anhydride in DMF

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EID: 34250158071     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2007.604     Document Type: Article
Times cited : (8)

References (25)
  • 6
  • 18
    • 30544446283 scopus 로고    scopus 로고
    • For examples of using DMF or DMSO as nucleophile activator, please see: a K. Iwanami, T. Oriyama, Synlett 2006, 112
    • For examples of using DMF or DMSO as nucleophile activator, please see: a) K. Iwanami, T. Oriyama, Synlett 2006, 112.
  • 25
    • 34250157473 scopus 로고    scopus 로고
    • General procedure for the reaction of aziridine with acetic anhydride in DMF: acetic anhydride (1.0 equiv, was added to a solution of aziridine 1 (0.25 mmol) in DMF (2.0 mL, The reaction mixture was stirred at 80 or 110°C for a period of time indicated in Table 1. After the reaction was completed monitored by TLC, the mixture was cooled and washed with water and extracted with ethyl acetate. The organic extracts were dried (MgSO 4, filtered, and concentrated under reduced pressure. Purification by chromatography column on silica gel afforded the corresponding product. Data of selected example: trans-2-(4-methylphenylsulfonamido)cyclohexyl formate (3a, 1HNMR (CDCl3, 400 MHz) δ 1.15-1.45 (m, 4H, 1.60-1.75 (m, 2H, 1.90-2.05 (m, 2H, 2.42 (s, 3H, 3.20-3.30 (m, 1H, 4.65-4.75 (m, 1H, 5.22 (d, J, 8.3 Hz, 1H, 7.29 (d, J, 8.3 Hz, 2H, 7.58 (s, 1H, 7.75 (d, J, 8.3 Hz, 2H, 13C NMR CDCl
    • 4S, 297.1035. Found, 297.1031.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.