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Volumn 13, Issue 2, 1974, Pages 141-142

The Synthesis of Tetradehydrobenzocyclotetradecenes(“Benzodidehydro[14]annulenes”). The Effect of Benzoannelation on the Diamagnetic Ring Current of Macrocyclic (4n + 2) π‐Electron Systems

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EID: 84982360156     PISSN: 05700833     EISSN: 15213773     Source Type: Journal    
DOI: 10.1002/anie.197401411     Document Type: Article
Times cited : (14)

References (22)
  • 12
    • 84982353748 scopus 로고
    • Synthese eines methylen-überbrückten Didehydroaza [19]annulens, eines paratropen Heteroannulens. — Wechsel der elektromagnetischen Eigenschaften zwischen Hetero[4n+1]- und Hetero[4nn—1]annulenen
    • (1973) Angewandte Chemie , vol.85 , pp. 406
    • Beeby, P.J.1    Sondheimer, F.2
  • 14
    • 84982364048 scopus 로고    scopus 로고
    • 4, 100 MHz: τ = 2.88 (2H/m, benzenoid), 3.08 (2H/m, benzenoid), 3.68 (2H/d, J = 12.5 Hz, olefinic), 4.32 (2H/broad d, J = 12.5 Hz, olefinic), 7.65 (4H/m, allylic), 7.95 (4 H/m, allylic), and 8.3(8H/m, nonallylic)] showed it to be atropic, and it is presumably a nonplanar molecule.
  • 15
    • 84982359166 scopus 로고    scopus 로고
    • 1H‐NMR spectrum of 4 was essentially temperature independent in the range −80 to 60°.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.