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The conformations of keto and formyl methylenetriphenylphosphoranes

✍ Scribed by Ian F. Wilson; John C. Tebby

Book ID
104249297
Publisher
Elsevier Science
Year
1970
Tongue
French
Weight
99 KB
Volume
11
Category
Article
ISSN
0040-4039

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The structures of 1-formylhexahelicene (1) and 1-acetylhexahelicene (2) were determined by X-ray structure analyses. In the crystalline state, both compounds have conformations with the smaller group of the substituents (H i n 1, 0 in 2) directed to the centre of the helicene system. n-SCF-force fi