The asymmetric unit of the title compound, C 19 H 16 FN 5 O 4 , contains two independent molecules. The dihedral angles between the main planes and the fluorophenyl rings in the two molecules are 83.24 (5) and 71.76 (4) . Weakstacking interactions may be effective in the stabilization of the crystal
✦ LIBER ✦
The synthesis of 1,4-dichloro-5H,7H-2,3,6-trithia-cyclopent[c,d]indene
✍ Scribed by Samuel H. Wilen; Gaatze J. Douma; Hans Wynberg
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 103 KB
- Volume
- 89
- Category
- Article
- ISSN
- 0165-0513
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## Abstract For Abstract see ChemInform Abstract in Full Text.
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## Abstract The aza‐Wittig reactions of benzophenone‐, acetophenone‐ and benzaldehyde l‐[(triphenylphosphoranyl‐idene)amino]ethylidenehydrazones (4) with phthalic anhydride, 2,3‐dimethylmaleic anhydride and 7‐oxabi‐cyclo[2,2,l]hept‐5‐ene‐2,3‐dicarboxylic anhydride (**5a**) provide a new route to 5_