Synthesis and Crystal Structure of (E)-4-(Benzyloxy)-2-(cinnamoyloxy)-N,N,N-trimethyl-4-oxobutan-1-aminium Chloride as a Double-prodrug
摘要:
A novel hydrochloride quaternary ammonium salt (E)-4-(benzyloxy)-2-(cinnamo-yloxy)-N,N,N-trimethy1-4-oxobutan-1-aminium chloride(C23H29NO4Cl2,Mr=454.37)has been synthesized via the sequence of acetylation and esterification by using L-carnitine(L-4-N-trimethy-lammonium-3-hydroxybutyric acid,LC)and cinnamic acid as the starting materials,and its crystal structure was determined by single-crystal X-ray diffraction method.The crystal belongs to monoclinic,space group P212121 with a=10.1670(4),b=10.4488(4),c=22.9795(11)(A),V=2441.18(18)(A)3,Z=4,Dc=1.236 g/cm3,μ(MoKa)=0.293 mm-1,F(000)=960,Flack factor=-0.01(11).the final R=0.0489 and wR=0.1550 for 3350 observed reflections(I>2σ(I))and R=0.0953 for all 5648 unique reflections.The crystal structure involves a conjugated system which shows a reverse olefin structure.
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DOI:
10.1107/S1744309107065566
被引量:
年份:
2008
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