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The probe1molecule:1H NMR (600 MHz, 25\u00b0C, DMSO-d6): \u03b4 7.54 (s, 1H), 7.34 (d, 1H), 7.25 (s, 1H), 6.96 (d, 1H), 5.32 (t, 1H), 2.58\u22122.63 (m, 1H), 2.45\u22122.49 (m, 1H), 2.36\u22122.42 (m, 1H), 2.00\u22122.08 (m, 1H).13C NMR (150 MHz, CDCl3): \u03b4 27.99, 37.05, 75.91, 117.87, 123.21, 126.30, 127.07, 129.55, 131.91, 132.73, 157.46, 201.08. Elemental analysis (calcd %) for C12H9ClO2: C, 65.32; H, 4.11. Found: C, 65.64; H, 4.21. ESI-MSm\/z220.9 (30%, [M]+): calculated 220.7 [M]+. Crystal data for1: C12H9ClO2, FW = 220.64, crystal size: 0.1 \u00d7 0.1 \u00d7 0.1 mm, orthorhombic, space groupPbca(No.61),a= 15.103(3) \u00c5,b= 6.0078(12) \u00c5,c= 21.747(4) \u00c5, \u03b2 = 90.000\u00b0,V= 1973.2(7) \u00c53,Z= 8,T= 183 K, \u03b8max= 25.35\u00b0, 7615 reflections measured, 1766 unique (Rint= 0.041). Final residual for 137 parameters and 1575 reflections withI> 2\u03c3(I):R1= 0.0442,wR2= 0.1037, and GOF = 1.09."},{"key":"ref15\/cit15a","doi-asserted-by":"crossref","first-page":"3443","DOI":"10.1021\/cr068000q","volume":"108","author":"Nolan E. M.","year":"2008","journal-title":"Chem. Rev."},{"key":"ref15\/cit15b","doi-asserted-by":"crossref","first-page":"4405","DOI":"10.1002\/anie.200500583","volume":"44","author":"Ros-Lis J. V.","year":"2005","journal-title":"Angew. Chem., Int. 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