Abstract:
The title dilactone exists in a crystalline state (110 K) as enantiomeric synchro-(+,+)-(R,R)- and synchro-(−,−)-(S,S)-twist forms (τ0 = |1.8°|) with the retention of C2 symmetry, linked by infinite zig-zag heterochiral chains (space group C2/c) by mutual H-bonds of the CH2–H⋯O=C type.
Document Type:
Article
Language: English
Citation:
I. V. Vystorop, K. A. Lyssenko, R. G. Kostyanovsky, “X-ray diffraction study of DL-1,4-dimethyl-2,5-dioxabicyclo[2.2.1]heptane-3,6-dione: the sense of twist and folding”, Mendeleev Commun., 11:2 (2001), 49–50
Linking options:
https://www.mathnet.ru/eng/mendc4211
https://www.mathnet.ru/eng/mendc/v11/i2/p49
This publication is cited in the following 2 articles:
Dipak K. Hazra, Monika Mukherjee, Subodh Kumar, “Synthesis, crystal structure and DFT studies of 3,4-bis-(2-chloro-phenyl)-2-oxa-bicyclo [2.2.1] heptan-6-one”, Journal of Molecular Structure, 920:1-3 (2009), 114
Yu. A. Serguchev, L. F. Lourie, G. V. Polishchuk, A. N. Chernega, “Fluorocyclization of norbornenecarboxylic acids with F-TEDA-BF4”, Mendeleev Commun., 12:3 (2002), 115–117