73164-56-4Relevant academic research and scientific papers
De Novo Biosynthesis and Whole-Cell Catalytic Production of 2-Acetamidophenol in Escherichia coli
Hou, Feifei,Feng, Dexin,Xian, Mo,Huang, Wei
, p. 238 - 246 (2022/01/20)
2-Acetamidophenol (AAP) is an aromatic product with promising activities in agricultural applications and medical research. At present, AAP is synthesized by chemical methods from nonrenewable fossil fuel resources, which cause environmental pollution and the reaction conditions are harsh. In this study, we constructed the artificial biosynthetic pathway of AAP with five different expressed proteins in Escherichia coli for the first time. By introducing the hydrogen peroxide degrading enzyme catalase and improving cell tolerance to toxic intermediates or products, the yield of AAP reached 33.54 mg/L using shaking-flask culture. The best-engineered strain could produce 568.57 mg/L AAP by fed-batch fermentation from glucose and precursor (2-aminophenol, 2-AP) addition. Furthermore, a one-pot whole-cell cascade biocatalytic pathway to AAP and analogues was developed and optimized. This method can efficiently produce 1.8 g/L AAP using the methyl anthranilate hydrolysis product as the substrate. This study provides not only the de novo artificial biosynthetic pathway of AAP in E. coli but also a promising sustainable and efficient strategy to enable the synthesis of AAP on a gram scale.
Kolbe-Schmitt type reaction under ambient conditions mediated by an organic base
Sadamitsu, Yuta,Okumura, Akira,Saito, Kodai,Yamada, Tohru
supporting information, p. 9837 - 9840 (2019/08/20)
The combined use of an organic base for resorcinols realized a Kolbe-Schmitt type reaction under ambient conditions. When resorcinols (3-hydroxyphenol derivatives) were treated with DBU under a carbon dioxide atmosphere, nucleophilic addition to carbon dioxide proceeded to afford the corresponding salicylic acid derivatives in high yields.
Structural studies and binding properties of pendant diazacoronands-precursors to macrocyclic compounds of planar chirality
Kalisiak, Jaros?aw,Kalisiak, Ewa,Jurczak, Janusz
, p. 5905 - 5914 (2007/10/03)
Structural studies of pendant diazacoronands having an N-benzoyl, N-acetyl, O-benzyl or O-benzoyl side arm were performed by means of X-ray and temperature-dependent 1H NMR experiments. The energies of macroring flipping process were determined
Selective protein tyrosine phosphatatase inhibitors
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, (2008/06/13)
Compounds of formula (I) or therapeutically acceptable salts thereof, are selective protein tyrosine kinase-B (PTP1B) inhibitors. Preparation of the compounds, compositions containing the compounds, and treatment of disorders using the compounds are disclosed.
Protein-tyrosine phosphatase inhibitors and uses thereof
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Page 24, (2010/02/09)
The present invention is directed to compounds of formula (I), or a pharmaceutically suitable salt or prodrug thereof, which are useful for the selective inhibition of protein tyrosine phosphatase-1B (PTP1B), and are useful for the treatment of disorders caused by overexpressed or altered protein tyrosine phosphatase 1B.
Selective protein tyrosine phosphatatase inhibitors
-
, (2008/06/13)
Compounds of formula (I) or therapeutically acceptable salts thereof, are selective protein tyrosine kinase-B (PTP1B) inhibitors. Preparation of the compounds, compositions containing the compounds, and treatment of disorders using the compounds are disclosed.
