RSC Advances
Communication
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18 General procedure; unless otherwise specied, carboxylic
acid (0.271 mmol), TCT (0.271 mmol), PPh3 (0.054 mmol)
and K2CO3 (0.406 mmol) were mixed and ground for 5 min
during which a few drop of CH2Cl2 was added to aid the
grinding. Aer addition of NaBH4 (0.541 mmol), the
mixture was ground for further 5 minute. The crude
material was puried by short column chromatography
using ethyl acetate/hexane as the eluent to afford pure
1
product. All known products were characterized by H- 13C-
NMR and GC-MS, and their spectroscopic data were
consistent with those reported in the literature.
46950 | RSC Adv., 2014, 4, 46947–46950
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