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9,9-Bis(4-methoxyphenyl)-9H-cyclopenta[2,1-b:3,4-b′]dipyridine

✍ Scribed by Ono, Katsuhiko ;Tomura, Masaaki ;Saito, Katsuhiro

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
681 KB
Volume
63
Category
Article
ISSN
1600-5368

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Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.002 A Ê R factor = 0.029 wR factor = 0.084 Data-to-parameter ratio = 15.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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Eingegangen am 31. Oktober 1986 Pyrano[ 3,4-blindolones 3a-d are available from a-ethoxyalyllactones la, c and disubstituted hydrazines 2a, b without isolation of intermediates. In a two-phase system, however, the intermediate hydrazones 4a, c can be isolated. Conversion of 3a-d into P-carbolines wa