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. Author manuscript; available in PMC: 2018 Jun 29.
Published in final edited form as: Tetrahedron. 2017 May 4;73(26):3696–3701. doi: 10.1016/j.tet.2017.05.008

Table 3. Effects of the catalyst on the chlorination of 31.

graphic file with name nihms874461u4.jpg
Entry Catalyst Cl equiv NMR yield
1 A 0.8 98%a
2 B 0.8 93%a
3 C 0.8 97%a
4 D 0.8 91%a
5 E 0.8 77%a
6 A 1.0 85%b
7 A 1.2 82%b
a

Calculated based on NCS.

b

Calculated based on 31.