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136757-04-5

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136757-04-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136757-04-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,7,5 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 136757-04:
(8*1)+(7*3)+(6*6)+(5*7)+(4*5)+(3*7)+(2*0)+(1*4)=145
145 % 10 = 5
So 136757-04-5 is a valid CAS Registry Number.

136757-04-5Downstream Products

136757-04-5Relevant articles and documents

Synthesis of Thiazoles and Isothiazoles via Three-Component Reaction of Enaminoesters, Sulfur, and Bromodifluoroacetamides/Esters

Ma, Xingxing,Yu, Xiaoxia,Huang, Hua,Zhou, Yao,Song, Qiuling

supporting information, p. 5284 - 5288 (2020/07/14)

A three-component strategy for the synthesis of thiazoles and isothiazoles has been developed by employing enaminoesters, fluorodibromoiamides/ester, and sulfur. The thiazoles and isothiazoles were formed via two C-F bond cleavages along with the formation of new C-S, C-N, and N-S bonds. The strategy provides high selectivity for the synthesis of thiazoles/isothiazoles, which have vital applications in drug discovery and development.

CALPAIN MODULATORS AND THERAPEUTIC USES THEREOF

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Paragraph 1284, (2018/04/17)

Disclosed herein are small molecule calpain modulator compositions, pharmaceutical compositions, the use and preparation thereof.

A rapid access to substituted oxazoles via PIFA-mediated oxidative cyclization of enamides

Kamiya, Midori,Sonoda, Motohiro,Tanimori, Shinji

, p. 1247 - 1254 (2017/02/10)

A facile and rapid access to multi-substituted oxazoles has been achieved under mild reaction conditions in a short reaction time. Reaction of enamides 1 with [bis(trifluoroacetoxy)iodo]benzene (PIFA) in trifluoroethanol (TFE) at room temperature for 15?min afforded the desired oxazoles 2 in moderate to excellent yields (58–98%). A wide range of functional group tolerance has been observed for these transformations.

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