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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Org Lett. 2019 Feb 14;21(5):1325–1330. doi: 10.1021/acs.orglett.9b00017

Figure 1.

Figure 1.

Conversions to isoxazolidines for on-DNA substrates 3–12. Reactions carried out with 40 equiv hydroxylamine (50 mM in DMSO) in 1.0 M NaOAc aq buffer (pH 5.0) for 8 h at 40 °C. a35 equiv hydroxylamine for 2 h at 40 °C then 6 h at 90 °C.