Tetrahedron letters

… to afford 3, 7-dioxa-2, 6-diaryl-4, 8-bis (diarylmethylene) bicyclo [3.3. O] octa-1, 5-diene and 1, 1, 4, 4-tetraaryl-3, 6-diaryloylhexa-1, 2-diene-5-yne, and thermal …

F Toda, M Yamamoto, K Tanaka, TCW Mak

Index: Toda, Fumio; Yamamoto, Masataka; Tanaka, Koichi; Mak, Thomas C.W. Tetrahedron Letters, 1985 , vol. 26, # 5 p. 631 - 634

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Citation Number: 8

Abstract

X-ray Analysis. , C 56 H 56 O 4 MW = 793.05, monoclinic, space group 2 1 / , = 19.253(4), = 9.697(3), = 25.889(5) Å, β = 104.35(2)°, V = 4683(2) Å 3 , Z = 4, D c = 1.125, D m (flotation in KI/H 2 O) = 1.14 g cm −3 , Mo-Kα radiation (graphite-monochromatized), λ = 0.71069 Å, μ = 0.64 cm −1 . 3344 independent observed reflections [¦F o ¦> 3σ (¦F o ¦), 2θ max = 45°] were measured on a Nicolet R3m diffractometer using ω-2θ scans. The structure was solved by direct ...