Abstract
In the presence of potassium tert‐butoxide and in toluene, 1,1‐dibromo‐1‐alkenes smoothly generated the corresponding Glaser‐type coupling‐reaction products (1,3‐diynes) in moderate to good yields.
Acknowledgments
We gratefully acknowledge financial support by the National Natural Science Foundation of China (No. 20372024); the Excellent Scientist Foundation of Anhui Province, China (No. 04046080); the Natural Science Foundation of the Education Department of Anhui Province, China (No. 2002kj254zd); the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry, China (No. 2002247); the Excellent Young Teachers Program of MOE, China (No. 2024); and the Key Project of Science and Technology of State Education Ministry, China (No. 0204069).