Nigel McSweeney, Albert C. Pratt, Conor Long, R. Alan Howie
2005 Acta Crystallographica Section E  
Key indicators Single-crystal X-ray study T = 298 K Mean (C±C) = 0.005 A Ê R factor = 0.088 wR factor = 0.192 Data-to-parameter ratio = 17.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e. # 2005 International Union of Crystallography Printed in Great Britain ± all rights reserved The title 1,4-photoadduct, C 21 H 19 NO 3 , was formed on irradiation of N-benzoylphthalimide in dichloromethane containing cyclohexene. The bond
more » ... hexene. The bond lengths and angles are generally within the normal ranges. A notable feature of the molecule is the presence within it of four contiguous chiral centres.
doi:10.1107/s1600536805002758 fatcat:376fuhohavbvnewndlz42rv6uy