Tetrahedron letters

Cyclopenta [cd] fluoranthene: Acefluoranthylene

…, JD Snoeijer, LW Jenneskens, MQ Slagt, JW Zwikker

Index: Sarobe, Martin; Snoeijer, Judith D.; Jenneskens, Leonardus W.; Slagt, Martijn Q.; Zwikker, Jan W. Tetrahedron Letters, 1995 , vol. 36, # 46 p. 8489 - 8492

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Citation Number: 34

Abstract

For the chlorination procedure of 3 see reference 4. 1; mp 141.7 °C with ΔH 276 Jg −1 (DSC), MS m/z 226 [M + ·] and 113 [M 2+ ]; 1 H NMR (300 MHz, CDCl 3 ) δ 7.35 and 7.02 (AA'XX' system, aryl H 4H), 7.19 and 7.12 (AB system, J(AB) 6.9 Hz, naphthyl H, 4H) and 6.52 (s, cyclopenta H, 2H) ppm; 13 C NMR (75.5 MHz, CDCl 3 ) δ 142.8, 140.6, 138.9, 132.9, 131.7, 130.5, 128.4, 125.8, 123.0 and 121.2 ppm; UV/Vis (n-hexane) λ max (log ε) 450 ...