Citation: Xiao Qing Wang, Ping Jing Jia, Su Ping Liu, Wei Yu. TBAF-catalyzed cyclization of 6-hydroxyhex-2-ynoates and 7-hydroxyhept-2-ynoates[J]. Chinese Chemical Letters, ;2011, 22(8): 931-934. doi: 10.1016/j.cclet.2011.01.023 shu

TBAF-catalyzed cyclization of 6-hydroxyhex-2-ynoates and 7-hydroxyhept-2-ynoates

State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China

Received Date: 15 November 2010

Fund Project: The authors thank the National Natural Science Foundation of China (No. 20772053) and the Fundamental Research Funds for the Central Universities (No. 223-860102) for financial support.

Tetrabutyl ammonium fluoride (TBAF) was found to be capable of catalyzing the intramolecular hydroalkoxylation of 6-hydroxyhex-2-ynoates and 7-hydroxyhept-2-ynoates. The reaction could be used to prepare 2,5-substituted THF rings and 2,6-substituted THP rings.
- Tetrabutyl ammonium fluoride,
- Et₃SiH,
- Tetrahydrofuran,
- Tetrahydropyran
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