Triphenylphosphine-m-sulfonate/carbon tetrabromide as an easily recoverable catalyst system for the efficient synthesis of xanthene and xanthenone derivatives under solvent-free conditions
Cong-De Huo, Xia-Zhen Bao, Dong-Cheng Hu, Xiao-Dong Jia, Chou-Gu Sun, Cheng Wang
Triphenylphosphine-m-sulfonate/carbon tetrabromide as an easily recoverable catalyst system for the efficient synthesis of xanthene and xanthenone derivatives under solvent-free conditions
Cong-De Huo, Xia-Zhen Bao, Dong-Cheng Hu, Xiao-Dong Jia, Chou-Gu Sun, Cheng Wang
中国化学快报
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2014, (05): 699
-701
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DOI: 10.1016/j.cclet.2014.01.023
