Amidepsin E

Amidepsin E

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Category Enzyme inhibitors
Catalog number BBF-00431
CAS
Molecular Weight 581.57
Molecular Formula C30H31NO11

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Description

It is produced by the strain of Humicola sp. FO-5969. It has a weak inhibition of DGAT activity, and the IC50 of DGAT in rat liver microparticles is 124 ㎛ol/L, respectively. It has no toxicity to Raji cells and no antibacterial activity.

Specification

IUPAC Name (2S)-2-[[4-[4-(2,4-dimethoxy-6-methylbenzoyl)oxy-2-methoxy-6-methylbenzoyl]oxy-2-hydroxy-6-methylbenzoyl]amino]propanoic acid
Canonical SMILES CC1=CC(=CC(=C1C(=O)NC(C)C(=O)O)O)OC(=O)C2=C(C=C(C=C2C)OC(=O)C3=C(C=C(C=C3C)OC)OC)OC
InChI InChI=1S/C30H31NO11/c1-14-9-19(11-21(32)24(14)27(33)31-17(4)28(34)35)41-29(36)26-16(3)10-20(13-23(26)40-7)42-30(37)25-15(2)8-18(38-5)12-22(25)39-6/h8-13,17,32H,1-7H3,(H,31,33)(H,34,35)/t17-/m0/s1
InChI Key WPXATJMWMPFBJS-KRWDZBQOSA-N

Properties

Appearance Light Yellow Powder
Solubility Soluble in Methanol

Reference Reading

1. Synthesis of (E,E)-Dienones and (E,E)-Dienals via Palladium-Catalyzed γ,δ-Dehydrogenation of Enones and Enals
Gao-Fei Pan, Xing-Long Zhang, Xue-Qing Zhu, Rui-Li Guo, Yong-Qiang Wang iScience. 2019 Oct 25;20:229-236. doi: 10.1016/j.isci.2019.09.027. Epub 2019 Sep 21.
A new strategy for the synthesis of conjugated (E,E)-dienones and (E,E)-dienals via a palladium-catalyzed aerobic γ,δ-dehydrogenation of enones and enals has been developed. The method can be employed in the direct and efficient synthesis of various (E,E)-dienones and (E,E)-dienals, including non-substituted α-, β-, and γ- and/or δ-substituted (E,E)-dienones and (E,E)-dienals. The protocol is featured by the ready accessibility and elaboration of the starting materials, good functional group compatibility, and mild reaction conditions. Furthermore, the reaction is of complete E,E-stereoselectivity and uses molecular oxygen as the sole clean oxidant.
2. E-Cigarette Marketing and Communication: How E-Cigarette Companies Market E-Cigarettes and the Public Engages with E-cigarette Information
Lauren Collins, Allison M Glasser, Haneen Abudayyeh, Jennifer L Pearson, Andrea C Villanti Nicotine Tob Res. 2019 Jan 1;21(1):14-24. doi: 10.1093/ntr/ntx284.
Introduction: Given the lack of regulation on marketing of electronic cigarettes (e-cigarettes) in the United States and the increasing exchange of e-cigarette-related information online, it is critical to understand how e-cigarette companies market e-cigarettes and how the public engages with e-cigarette information. Methods: Results are from a systematic review of peer-reviewed literature on e-cigarettes via a PubMed search through June 1, 2017. Search terms included: "e-cigarette*" or "electronic cigarette" or "electronic cigarettes" or "electronic nicotine delivery" or "vape" or "vaping." Experimental studies, quasi-experimental studies, observational studies, qualitative studies, and mixed methods studies providing empirical findings on e-cigarette marketing and communication (ie, nonmarketing communication in the public) were included. Results: One hundred twenty-four publications on e-cigarette marketing and communication were identified. They covered topics including e-cigarette advertisement claims/promotions and exposure/receptivity, the effect of e-cigarette advertisements on e-cigarette and cigarette use, public engagement with e-cigarette information, and the public's portrayal of e-cigarettes. Studies show increases in e-cigarette marketing expenditures and online engagement through social media over time, that e-cigarettes are often framed as an alternative to combustible cigarettes, and that e-cigarette advertisement exposure may be associated with e-cigarette trial in adolescents and young adults. Discussion: Few studies examine the effects of e-cigarette marketing on perceptions and e-cigarette and cigarette use. Evidence suggests that exposure to e-cigarette advertisements affects perceptions and trial of e-cigarettes, but there is no evidence that exposure affects cigarette use. No studies examined how exposure to e-cigarette communication, particularly misleading or inaccurate information, impacts e-cigarette, and tobacco use behaviors. Implications: The present article provides a comprehensive review of e-cigarette marketing and how the public engages with e-cigarette information. Studies suggest an association between exposure to e-cigarette marketing and lower harm perceptions of e-cigarettes, intention to use e-cigarettes, and e-cigarette trial, highlighting the need to for advertising regulations that support public health goals. Findings from this review also present the methodological limitations of the existing research (primarily due to cross-sectional and correlational analyses) and underscore the need for timely, rigorous research to provide an accurate understanding of e-cigarette marketing and communication and its impact on e-cigarette and tobacco product use.
3. RHCE*E and RHCE*e genotype incompatibility in a southern Thai Muslim population
Poonyapa Tanwarawutthikul, Kamphon Intharanut, Supattra Mitundee, Oytip Nathalang Asian J Transfus Sci. 2022 Jan-Jun;16(1):50-55. doi: 10.4103/ajts.AJTS_10_20. Epub 2022 May 26.
Context: The formation of red cell alloantibodies resulting from both transfusion and pregnancy can cause adverse effects from allogeneic blood transfusions. Alloanti-E is commonly detected among Thai and Asian populations. Aims: This study aimed to determine RHCE*E and RHCE*e genotype incompatibility in a southern Thai Muslim population and to compare it with those previously reported for other populations. Subjects and methods: Nine hundred and twenty-seven DNA samples obtained from 427 unrelated healthy blood donors from southern Thai Muslims and 500 samples from Central Thais were included. Samples were genotyped for RHCE*E and RHCE*e using an in-house polymerase chain reaction with the sequence-specific primer technique. Results: Significant differences were found when we compared the allele frequencies of the RHCE*E and RHCE*e between southern Thai Muslims and Central Thais: RHCE*E 0.162 versus 0.197 and RHCE*e 0.838 versus 0.803 and also found in Chinese, American native, Japanese, Korean, Alaskan native, Hawaiian, South Asian, Brazilian Japanese-descendant, and Malay Malaysian populations (P < 0.05). In addition, the E/e incompatibilities among southern Thai Muslims and Central Thais were 24.23% and 26.71%, respectively. Conclusions: This study was the first to determine the RHCE*E and RHCE*e genotype incompatibility among southern Thai Muslims, enabling the estimation of their potential alloimmunization risk. These data could be useful to provide safe blood transfusions across ethnic populations.

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Tip: Chemical formula is case sensitive. C22H30N4O c22h30n40
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