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Varala R, Seema V, Alam MM, Dubasi N, Vummadi RD. Iodoxybenzoic Acid (IBX) in Organic Synthesis: A Septennial Review. Curr Org Synth 2024; 21:607-664. [PMID: 37861006 DOI: 10.2174/0115701794263252230924074035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/04/2023] [Accepted: 08/26/2023] [Indexed: 10/21/2023]
Abstract
This study reviews the oxidative applications of 2-iodoxybenzoic acid (IBX) in organic synthesis, focusing on C-H functionalization, hetero-hetero bond formations, ring cleavage reactions, dehydrogenation, heterocyclic ring formations, and some miscellaneous reactions in a comprehensive and critical way. It compiles the literature starting from mid-2015 to date.
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Affiliation(s)
- Ravi Varala
- Scrips Pharma, Mallapur, Hyderabad, 500 076, Telangana, India
| | - Vittal Seema
- Department of Chemistry, RGUKT Basar, Mudhole 504 107, Telangana, India
| | - Mohammed Mujahid Alam
- Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia
| | | | - Rama Devi Vummadi
- Department of Chemistry, Chaitanya Bharathi Institute of Technology (CBIT), Gandipet, Hyderabad, 500075, Telangana, India
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Tang Y, Han Z, Zhang H, Che L, Liao G, Peng J, Lin Y, Wang Y. Characterization of Calculus bovis by principal component analysis assisted qHNMR profiling to distinguish nefarious frauds. J Pharm Biomed Anal 2023; 228:115320. [PMID: 36871364 DOI: 10.1016/j.jpba.2023.115320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/09/2023] [Accepted: 02/27/2023] [Indexed: 03/05/2023]
Abstract
A new approach is developed for the reliable classification of Calculus bovis along with the identification of willfully contaminated C. bovis species and the quantification of unclaimed adulterants. Guided by a principal component analysis, NMR data mining achieved a near-holistic chemical characterization of three types of authenticated C. bovis, including natural C. bovis (NCB), in vitro cultured C. bovis (Ivt-CCB), and artificial C. bovis (ACB). In addition, species-specific markers used for quality evaluation and species classification were confirmed. That is, the content of taurine in NCB is near negligible, while choline and hyodeoxycholic acid are characteristic for identifying Ivt-CCB and ACB, respectively. Besides, the peak shapes and chemical shifts of H2-25 of glycocholic acid could assist in the recognition of the origins of C. bovis. Based on these discoveries, a set of commercial NCB samples, macroscopically identified as problematic species, was examined with deliberately added sugars and outliers discovered. Absolute quantification of the identified sugars was realized by qHNMR using a single, nonidentical internal calibrant (IC). This study represents the first systematic study of C. bovis metabolomics via an NMR-driven methodology, which advances the toolbox for quality control of TCM and provides a more definitive reference point for future chemical and biological studies of C. bovis as a valuable materia medica.
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Affiliation(s)
- Yu Tang
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University, Hangzhou 310018, China.
| | - Zhu Han
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Han Zhang
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Li Che
- Xiamen Traditional Chinese Medicine Co., Ltd., Xiamen 361116, China.
| | - Genjie Liao
- Xiamen Traditional Chinese Medicine Co., Ltd., Xiamen 361116, China.
| | - Jun Peng
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China.
| | - Yu Lin
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China.
| | - Yi Wang
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University, Hangzhou 310018, China.
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Wu Z, Xu X, Wang J, Dong G. Carbonyl 1,2-transposition through triflate-mediated α-amination. Science 2021; 374:734-740. [PMID: 34735246 DOI: 10.1126/science.abl7854] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Zhao Wu
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Xiaolong Xu
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Jianchun Wang
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Guangbin Dong
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
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