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. Author manuscript; available in PMC: 2016 Feb 12.
Published in final edited form as: Angew Chem Int Ed Engl. 2015 Dec 10;55(4):1350–1354. doi: 10.1002/anie.201508898

Table 1.

17O spectroscopic parameters for intermediates in TS

δiso/ppm PQ/MHz PSA/ppm*
E(Q3)indoline
 O1 232.7 ± 0.6 7.40 ± 0.05 190 ± 26
 O2 242.7 ± 0.7 7.66 ± 0.05 226 ± 26
E(Q3)2AP
 O1 237.2 ± 0.5 7.37 ± 0.04 223 ± 25
 O2 238.7 ± 0.6 7.69 ± 0.04 196 ± 30
E(A-A)(BZI)
 O1 258 ± 2 7.2 ± 0.1 705 ± 22
 O2 287 ± 2 7.9 ± 0.1 686 ± 22
E(A-A)
 O1 258 ± 2 7.5 ± 0.1 -
 O2 292 ± 2 8.2 ± 0.1 -
*

Extracted using τc = 182 ns.