Methyl 5-chlorobarbatate
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| Category | Others |
| Catalog number | BBF-05326 |
| CAS | |
| Molecular Weight | 408.83 |
| Molecular Formula | C20H21ClO7 |
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Description
Methyl 5-chlorobarbatate is a derivative of Methyl barbatate, which is a new secondary product in the lichen genus Haematomma.
Specification
| IUPAC Name | 3-hydroxy-4-(methoxycarbonyl)-2,5-dimethylphenyl 3-chloro-6-hydroxy-4-methoxy-2,5-dimethylbenzoate |
Reference Reading
1. Methylation multiplicity and its clinical values in cancer
Xiaofeng Dai, Tiejun Ren, Yuxin Zhang, Nan Nan Expert Rev Mol Med. 2021 Mar 31;23:e2. doi: 10.1017/erm.2021.4.
Methylation at DNA, RNA and protein levels plays critical roles in many cellular processes and is associated with diverse differentiation events, physiological activities and human diseases. To aid in the diagnostic and therapeutic design for cancer treatment utilising methylation, this review provides a boutique yet comprehensive overview on methylation at different levels including the mechanisms, cross-talking and clinical implications with a particular focus on cancers. We conclude that DNA methylation is the sole type of methylation that has been largely translated into clinics and used for, mostly, early diagnosis. Translating the onco-therapeutic and prognostic values of RNA and protein methylations into clinical use deserves intensive efforts. Simultaneous examination of methylations at multiple levels or together with other forms of molecular markers represents an interesting research direction with profound clinical translational potential.
2. Microbial mercury transformations: Molecules, functions and organisms
Ri-Qing Yu, Tamar Barkay Adv Appl Microbiol. 2022;118:31-90. doi: 10.1016/bs.aambs.2022.03.001. Epub 2022 Apr 13.
Mercury (Hg) methylation, methylmercury (MeHg) demethylation, and inorganic redox transformations of Hg are microbe-mediating processes that determine the fate and cycling of Hg and MeHg in many environments, and by doing so influence the health of humans and wild life. The discovery of the Hg methylation genes, hgcAB, in the last decade together with advances in high throughput and genome sequencing methods, have resulted in an expanded appreciation of the diversity of Hg methylating microbes. This review aims to describe experimentally confirmed and recently discovered hgcAB gene-carrying Hg methylating microbes; phylogenetic and taxonomic analyses are presented. In addition, the current knowledge on transformation mechanisms, the organisms that carry them out, and the impact of environmental parameters on Hg methylation, MeHg demethylation, and inorganic Hg reduction and oxidation is summarized. This knowledge provides a foundation for future action toward mitigating the impact of environmental Hg pollution.
3. O-Methylation of carboxylic acids with streptozotocin
Li-Yan Zeng, Yang Liu, Jiakun Han, Jinhong Chen, Shuwen Liu, Baomin Xi Org Biomol Chem. 2022 Jul 6;20(26):5230-5233. doi: 10.1039/d2ob00578f.
The clinically used DNA-alkylating drug streptozotocin (STZ) was investigated using a simple work-up as an O-methylating agent to transform various carboxylic acids, sulfonic acids and phosphorous acids into corresponding methyl esters, and did so with yields of up to 97% in 4 h at room temperature. Good substrate tolerance was observed, and benefited from the mild conditions and compatibility of the reaction with water.
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Bio Calculators
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
* Total Molecular Weight:
g/mol
Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
