Skip to main content
. Author manuscript; available in PMC: 2008 Mar 19.
Published in final edited form as: Tetrahedron Lett. 2007 Mar 19;48(12):2083–2086. doi: 10.1016/j.tetlet.2007.01.132

Table 1.

Synthesis of C3-alkynyl ammonium salts 3a–d

graphic file with name nihms19296ig1.jpg

Compound Ar Yield of 2 (%) Yield of 3 (%)
3a p-CF3C6H4 96 52
3b p-FC6H4 93 15
3c 3,4-F2C6H3 92 64
3d 2,4-F2C6H3 87 71