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99907-85-4

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99907-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99907-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,0 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99907-85:
(7*9)+(6*9)+(5*9)+(4*0)+(3*7)+(2*8)+(1*5)=204
204 % 10 = 4
So 99907-85-4 is a valid CAS Registry Number.

99907-85-4Relevant academic research and scientific papers

An Activity-Based Sensing Fluorogenic Probe for Monitoring Ethylene in Living Cells and Plants

Chen, Yiliang,Guo, Duojing,Jing, Maofeng,Li, Ji,Li, Yu,Liu, Hao,Wang, Biao,Wei, Lirong,Yan, Wei,Ye, Yonghao,Yu, Na,Zhao, Jing,Zheng, Ying

supporting information, p. 21934 - 21942 (2021/08/30)

Ethylene (ET) is an important gaseous plant hormone. It is highly desirable to develop fluorescent probes for monitoring ethylene in living cells. We report an efficient RhIII-catalysed coupling of N-phenoxyacetamides to ethylene in the presenc

Rhodium(III)-Catalyzed Enantio- and Diastereoselective C?H Cyclopropylation of N-Phenoxylsulfonamides: Combined Experimental and Computational Studies

Zheng, Guangfan,Zhou, Zhi,Zhu, Guoxun,Zhai, Shuailei,Xu, Huiying,Duan, Xujing,Yi, Wei,Li, Xingwei

supporting information, p. 2890 - 2896 (2020/01/24)

Cyclopropane rings are a prominent structural motif in biologically active molecules. Enantio- and diastereoselective construction of cyclopropanes through C?H activation of arenes and coupling with readily available cyclopropenes is highly appealing but

An internal oxidant-directing strategy enabling transition metal-free C–S bond ligation

Zuo, Yingying,Xiong, Feng,Zhao, Jing

supporting information, p. 4174 - 4179 (2019/05/24)

Organic sulfur compounds have broad applications in biology, medicine and material sciences and intensive efforts have been devoted to developing mild and general C–S bond-forming methods. However, a mild, transition-metal-free, direct C–H bond functionalization method remains elusive. Here, we report the use of an internal oxidant-directing strategy to achieve this goal. The cascade reactions described here show excellent chemoselectivity and a wide substrate scope for both oxyamines and sulfenylation reagents. This study enlarges the synthesis toolbox for preparing structurally diverse sulfilimines under mild conditions.

Rhodium(III)-catalysed cascade [3 + 2] annulation of: N -aryloxyacetamides with 3-(hetero)arylpropiolic acids: Synthesis of benzofuran-2(3 H)-ones

Pan, Jin-Long,Liu, Tuan-Qing,Chen, Chao,Li, Quan-Zhe,Jiang, Wei,Ding, Tong-Mei,Yan, Zhi-Qiang,Zhu, Guo-Dong

supporting information, p. 8589 - 8600 (2019/10/02)

Herein, a cascade [3 + 2] annulation of N-aryloxyacetamides with 3-(hetero)arylpropiolic acids affording benzofuran-2(3H)-ones via rhodium(iii)-catalyzed redox-neutral C-H functionalization/isomerization/lactonization using an internal oxidative directing group O-NHAc was achieved. This catalytic system provides a regio- and stereoselective approach to synthesize (Z)-3-(amino(aryl)methylene)benzofuran-2(3H)-ones with exclusive Z configuration selectivity, acceptable yields and good functional group tolerance. Preliminary investigations on ultraviolet-visible and fluorescence behaviors reveal that the annulation products may be applied as a promising fluorescent probe for sensing metal cations, especially for cerium (Ce3+).

Rhodium(III)-Catalyzed Redox-Neutral Cascade [3 + 2] Annulation of N-Phenoxyacetamides with Propiolates via C-H Functionalization/Isomerization/Lactonization

Pan, Jin-Long,Chen, Chao,Hao, Yu,Liu, Chang,Bai, He-Yuan,Ding, Jun,Zhang, Shu-Yu,Wang, Li-Ren,Xie, Peipei,Xia, Yuanzhi

supporting information, p. 7131 - 7136 (2018/12/14)

A Rh(III)-catalyzed cascade [3 + 2] annulation of N-phenoxyacetamides with propiolates under mild conditions using the internal oxidative O-N bond as the directing group has been achieved. This catalytic system provides a regio- and stereoselective access to benzofuran-2(3H)-ones bearing exocyclic enamino motifs with exclusive Z configuration selectivity, acceptable to good yields and good functional group compatibility. Mechanistic investigations by experimental and density functional theory studies suggest that a consecutive process of C-H functionalization/isomerization/lactonization is likely to be involved in the reaction.

Rhodium(III)-Catalyzed ortho-Heteroarylation of Phenols through Internal Oxidative C-H Activation: Rapid Screening of Single-Molecular White-Light-Emitting Materials

Li, Bijin,Lan, Jingbo,Wu, Di,You, Jingsong

supporting information, p. 14008 - 14012 (2016/01/25)

Reported herein is the first example of a transition-metal-catalyzed internal oxidative C-H/C-H cross-coupling between two (hetero)arenes through a traceless oxidation directing strategy. Without the requirement of an external metal oxidant, a wide range of phenols, including phenol-containing natural products, can undergo the coupling with azoles to assemble a large library of highly functionalized 2-(2-hydroxyphenyl)azoles. The route provides an opportunity to rapidly screen white-light-emitting materials. As illustrative examples, two bis(triphenylamine)-bearing 2-(2-hydroxyphenyl)oxazoles, which are difficult to access otherwise, exhibit bright white-light emission, high quantum yield, and thermal stability. Also presented is the first example of the white-light emission, in a single excited-state intramolecular proton transfer system, of 2-(2-hydroxyphenyl)azoles, thus highlighting the charm of C-H activation in the discovery of new organic optoelectronic materials.

Rh(iii)-catalyzed and alcohol-involved carbenoid C-H insertion into N-phenoxyacetamides using α-diazomalonates

Zhou, Jie,Shi, Jingjing,Liu, Xuelei,Jia, Jinlong,Song, Huacan,Xu, H. Eric,Yi, Wei

supporting information, p. 5868 - 5871 (2015/03/30)

Here we report a new and mild Rh(iii)-catalyzed and alcohol-involved carbenoid C-H insertion into N-phenoxyacetamides using α-diazomalonates. This reaction provided a straightforward way for installing both an α-quaternary carbon center and a free-OH moiety into the phenyl ring, thus giving access to useful 2-(2-hydroxyphenyl)-2-alkoxymalonates with good substrate/functional group tolerance. This journal is

Design, synthesis, and antibacterial activities of novel 3,6-bicyclolide oximes: Length optimization and zero carbon linker oximes

Tang, Datong,Gai, Yonghua,Polemeropoulos, Alexander,Chen, Zhigang,Wang, Zhe,Or, Yat Sun

scheme or table, p. 5078 - 5082 (2009/05/30)

We designed and synthesized a series of novel 3,6-bicyclolide oximes, possessing linkers of varying lengths to the secondary binding site. The E isomers exhibited excellent antibacterial profiles against a broad spectrum of resistant pathogens.

3,6-Bicyclolides

-

Page/Page column 51, (2008/06/13)

The present invention discloses compounds of formula (I) or pharmaceutically acceptable salts, esters, or prodrugs thereof: which exhibit antibacterial properties. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject in need of antibiotic treatment. The invention also relates to methods of treating a bacterial infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The invention further includes process by which to make the compounds of the present invention.

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