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Tandem phospha-Michael addition/cyclization/dehydration of 2-hydroxychalcones with H-phosphine oxides for the synthesis of 4-phosphorylated 4H-chromenes.
Wen, Zhong; Yang, Kai-Cheng; Zheng, Shi-Lu; Zhang, Yu-Shan; Wang, Sheng-Jun; Ni, Hai-Liang; Chen, Long.
Affiliation
  • Wen Z; Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, 2025 Chengluo Avenue, Chengdu 610016, P. R. China. chenlong@cdu.edu.cn.
  • Yang KC; Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, 2025 Chengluo Avenue, Chengdu 610016, P. R. China. chenlong@cdu.edu.cn.
  • Zheng SL; Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, 2025 Chengluo Avenue, Chengdu 610016, P. R. China. chenlong@cdu.edu.cn.
  • Zhang YS; Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, 2025 Chengluo Avenue, Chengdu 610016, P. R. China. chenlong@cdu.edu.cn.
  • Wang SJ; Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, 2025 Chengluo Avenue, Chengdu 610016, P. R. China. chenlong@cdu.edu.cn.
  • Ni HL; College of Chemistry and Materials Science, Sichuan Normal University, 5 Jing An Road, Chengdu 610066, P. R. China.
  • Chen L; Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, 2025 Chengluo Avenue, Chengdu 610016, P. R. China. chenlong@cdu.edu.cn.
Org Biomol Chem ; 21(45): 9076-9081, 2023 Nov 22.
Article in En | MEDLINE | ID: mdl-37941412
A Hg(OTf)2-catalyzed tandem phospha-Michael addition/cyclization/dehydration of 2-hydroxychalcones with H-phosphine oxides is presented. This protocol provides a new and supplementary approach for the preparation of 4-phosphorylated 4H-chromenes in good yields (up to 99%). In addition, this domino reaction allows the successful construction of two new C-P and C-O bonds in a one-pot operation.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Org Biomol Chem Journal subject: BIOQUIMICA / QUIMICA Year: 2023 Type: Article
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Org Biomol Chem Journal subject: BIOQUIMICA / QUIMICA Year: 2023 Type: Article