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Tris(trimethylsilyl)silicon, also known as TTMSS, is an organosilicon compound with the molecular formula (CH3)3Si3Si(CH3)3. It is a versatile reagent in organic synthesis, commonly used as a silylating agent and a source of silicon in various chemical reactions. The reactivity of TTMSS is attributed to the three trimethylsilyl (TMS) groups attached to a central silicon atom, enabling it to donate or accept silicon in a range of chemical transformations. As a colorless, flammable liquid, TTMSS is handled and stored under inert gas atmospheres to prevent reactions with air and moisture. It plays a significant role in organosilicon chemistry and is utilized in the synthesis of pharmaceuticals, agrochemicals, and other fine chemicals.

7239-81-8

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7239-81-8 Usage

Uses

Used in Pharmaceutical Synthesis:
Tris(trimethylsilyl)silicon is used as a reagent in the synthesis of pharmaceuticals for its ability to facilitate various chemical transformations, enhancing the production of desired compounds.
Used in Agrochemical Synthesis:
In the agrochemical industry, tris(trimethylsilyl)silicon serves as a key reagent, aiding in the synthesis of agrochemicals by enabling specific chemical reactions that are crucial for the development of effective products.
Used in the Synthesis of Fine Chemicals:
Tris(trimethylsilyl)silicon is utilized as a versatile reagent in the production of fine chemicals, where its silylating properties and silicon-donating capabilities are employed to achieve complex chemical structures.

Check Digit Verification of cas no

The CAS Registry Mumber 7239-81-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,3 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7239-81:
(6*7)+(5*2)+(4*3)+(3*9)+(2*8)+(1*1)=108
108 % 10 = 8
So 7239-81-8 is a valid CAS Registry Number.
InChI:InChI=1/4C9H27Si4.4ClH.4Sn/c4*1-11(2,3)10(12(4,5)6)13(7,8)9;;;;;;;;/h4*1-9H3;4*1H;;;;/q;;;;;;;;4*+1/p-4/r4C9H27Si4.4ClSn/c4*1-11(2,3)10(12(4,5)6)13(7,8)9;4*1-2/h4*1-9H3;;;;

7239-81-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,3-dihydroimidazo[4,5-c]pyridine-2-thione

1.2 Other means of identification

Product number -
Other names AmbkkkkK456

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7239-81-8 SDS

7239-81-8Relevant academic research and scientific papers

Potent, Selective, and Cell Active Protein Arginine Methyltransferase 5 (PRMT5) Inhibitor Developed by Structure-Based Virtual Screening and Hit Optimization

Mao, Ruifeng,Shao, Jingwei,Zhu, Kongkai,Zhang, Yuanyuan,Ding, Hong,Zhang, Chenhua,Shi, Zhe,Jiang, Hualiang,Sun, Dequn,Duan, Wenhu,Luo, Cheng

, p. 6289 - 6304 (2017/08/02)

PRMT5 plays important roles in diverse cellular processes and is upregulated in several human malignancies. Besides, PRMT5 has been validated as an anticancer target in mantle cell lymphoma. In this study, we found a potent and selective PRMT5 inhibitor by performing structure-based virtual screening and hit optimization. The identified compound 17 (IC50 = 0.33 μM) exhibited a broad selectivity against a panel of other methyltransferases. The direct binding of 17 to PRMT5 was validated by surface plasmon resonance experiments, with a Kd of 0.987 μM. Kinetic experiments indicated that 17 was a SAM competitive inhibitor other than the substrate. In addition, 17 showed selective antiproliferative effects against MV4-11 cells, and further studies indicated that the mechanism of cellular antitumor activity was due to the inhibition of PRMT5 mediated SmD3 methylation. 17 may represent a promising lead compound to understand more about PRMT5 and potentially assist the development of treatments for leukemia indications.

Imidazopyridine- and purine-thioacetamide derivatives: Potent inhibitors of nucleotide pyrophosphatase/phosphodiesterase 1 (NPP1)

Chang, Lei,Lee, Sang-Yong,Leonczak, Piotr,Rozenski, Jef,De Jonghe, Steven,Hanck, Theodor,Müller, Christa E.,Herdewijn, Piet

, p. 10080 - 10100 (2015/02/05)

Nucleotide pyrophosphatase/phosphodiesterase 1 (NPP1) belongs to the family of ecto-nucleotidases, which control extracellular nucleotide, nucleoside, and (di)phosphate levels. To study the (patho)physiological roles of NPP1 potent and selective inhibitors with drug-like properties are required. Therefore, a compound library was screened for NPP1 inhibitors using a colorimetric assay with p-nitrophenyl 5′-thymidine monophosphate (p-Nph-5′-TMP) as an artificial substrate. This led to the discovery of 2-(3H-imidazo[4,5-b]pyridin-2-ylthio)-N-(3,4-dimethoxyphenyl)acetamide (5a) as a hit compound with a Ki value of 217 nM. Subsequent structure-activity relationship studies led to the development of purine and imidazo[4,5-b]pyridine analogues with high inhibitory potency (Ki values of 5.00 nM and 29.6 nM, respectively) when assayed with p-Nph-5′-TMP as a substrate. Surprisingly, the compounds were significantly less potent when tested versus ATP as a substrate, with Ki values in the low micromolar range. A prototypic inhibitor was investigated for its mechanism of inhibition and found to be competitive versus both substrates.

FUSED HETEROCYCLIC COMPOUNDS

-

Page/Page column 88, (2012/01/13)

The present invention provides a compound which has the effect of PDE inhibition, and which is useful as an agent for preventing or treating schizophrenia. The compound is represented by the formula (I): wherein the symbols are defined in the specification.

Imidazo(4,5-C)pyridines as antiosteoporotic agents

-

, (2008/06/13)

This invention relates to 2-substituted-imidazo[4,5-c]pyridines, to the process for their preparation, to pharmaceutical compositions containing said 2-substituted-imidazo[4,5-c]pyridines and to the use of said 2-substituted-imidazo[4,5-c]pyridines for mo

Production of certain 2-phenylalkylthio-and 2-phenylalkylsulfinyl imidazo[4,]pyridines

-

, (2008/06/13)

This invention relates to the process for the preparation of certain 2-phenylalkylthio- and phenylalkylsulfinyl-imidazo[4,5-c]pyridines useful for the treatment of osteoporosis.

THIONATION OF IMIDAZOPYRIDINES

Yutilov, Yu.M.,Svertilova, I.A.

, p. 653 - 658 (2007/10/02)

Direct thionation of imidazopyridines and imidazopyridines results in the formation of their 2-thioxo derivatives, usually in high yield.The thione structure of the imidazopyridines obtained has been confirmed from their IR spectra in the solid state and in solution.The general nature of the thionation of imidazole, benzimidazole, imidazopyridine, imidazopyridine, and purine has been noted as one of the distinctive chemical properties of compounds in this series of nitrogen heterocycles.

A Facile Synthesis of 8-Arylamino- and 8-Hetarylaminopurines and their 1- and 3-Deaza Analogs

Garin, J.,Melendez, E.,Merchan, F. L.,Tejero, T.

, p. 867 - 870 (2007/10/02)

A general method for the synthesis of 8-arylamino- and 8-(2-benzothiazolylamino)-purines and their 1- and 3-deaza analogs is reported.The need for the presence of the desulfurizing agent in the preparation of the 8-arylamino derivatives is demonstrated an

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