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1225441-13-3

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1225441-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1225441-13-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,5,4,4 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1225441-13:
(9*1)+(8*2)+(7*2)+(6*5)+(5*4)+(4*4)+(3*1)+(2*1)+(1*3)=113
113 % 10 = 3
So 1225441-13-3 is a valid CAS Registry Number.

1225441-13-3Downstream Products

1225441-13-3Relevant articles and documents

Silver-Promoted Fluorination Reactions of α-Bromoamides

Mizuta, Satoshi,Kitamura, Kanami,Kitagawa, Ayako,Yamaguchi, Tomoko,Ishikawa, Takeshi

supporting information, p. 5930 - 5935 (2021/02/01)

Silver-promoted C?F bond formation in α-bromoamides by using AgF under mild conditions is reported. This simple method enables access to tertiary, secondary, and primary alkyl fluorides involving biomolecular scaffolds. This transformation is applicable to primary and secondary amides and shows broad functional-group tolerance. Kinetics experiments revealed that the reaction rate increased in the order of 3°>2°>1° α-carbon atom. In addition, it was found that the acidic amide proton plays an important role in accelerating the reaction. Mechanistic studies suggested generation of an aziridinone intermediate that undergoes subsequent nucleophilic addition to form the C?F bond with stereospecificity (i.e., retention of configuration). The synthesis of sterically hindered alcohols and ethers by using AgI is also demonstrated. Examples of reactions of α-bromoamides with O nucleophiles are presented.

Method of treatment for prostatic cancer

-

, (2008/06/13)

Disclosed is a new treatment for men with prostatic cancer involving combination therapy of a 5α-reductase inhibitor, i.e., a 17β-substituted 4-azasteroid, a 17β-substituted non-azasteroid, 17β-acyl-3-carboxyandrost-3,5-diene, benzoylaminophenoxybutanoic acid derivative, fused benz(thio)amide or cinnamoylamide derivative, aromatic 1,2-diethers or thioethers, aromatic ortho acylaminophenoxy alkanoic acids, ortho thioalkylacylamino-phenoxy alkanoic acids, pharmaceutically acceptable salts and esters thereof, and particularly finasteride, in combination with an antiandrogen, i.e. flutamide. Pharmaceutical compositions useful for treatment are also disclosed.

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