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Volumn , Issue 6, 2007, Pages 901-904

Efficient ring-closure approach via copper-catalyzed reactions of sulfonyl azide, terminal alkynes and alcohols/amines

Author keywords

Copper catalyzed; Heterocycle; Ring closure; Sulfonyl azide; Synthetic method

Indexed keywords

ALCOHOL DERIVATIVE; ALKYNE DERIVATIVE; AMINE; AZIDE; COPPER; SULFONYL AZIDE; UNCLASSIFIED DRUG;

EID: 34247146827     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2007-973883     Document Type: Article
Times cited : (12)

References (22)
  • 22
    • 34247133716 scopus 로고    scopus 로고
    • 14) Preparation of Compounds 4 and 10a-d Et3N (1.2 mmol) was slowly added to a stirred mixture of p-methylbenzenesulfonyl azide (1.2 mmol, 3 or 9 (1 mmol) and CuI (0.1 mmol) in CHCl 3 (3 mL) at r.t. under an N2 atmosphere. Later (8-10 h, the solvent was removed in vacuo, and the crude residue was purified by flash column chromatography on silica gel with an appropriate eluting solvent system (CH2Cl2-MeOH 15:1 to 20:1) to give the target product 4 or 10. Compound 10a: eluent: CH2Cl 2-MeOH (15:1, white solid, yield 76, 1H NMR (300 MHz, DMSO-d6, δ, 7.93 (br s, 2 H, 7.29-7.71 (m, 8 H, 3.97 (t, 2 H, J, 2.40 Hz, 3.50 (d, 2 H, J, 2.73 Hz, 3.39 (d, 2 H, J, 2.40 Hz, 2.83 (t, 2 H, J, 2.73 Hz, 2.27 (s, 3 H, 13C NMR 75 MHz, DMSO-d6, δ, 175.1, 169.2, 16
    • +: 667.2372; found: 667.2376.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.