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210962-91-7

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210962-91-7 Usage

General Description

Methyl (R)-2-(tert-butoxycarbonylamino)-3-(4-iodophenyl)propanoate is a chemical compound with a molecular formula of C16H22INO4. It is a derivative of the amino acid leucine and is commonly used in the synthesis of peptide molecules. METHYL (R)-2-(TERT-BUTOXYCARBONYLAMINO)-3-(4-IODOPHENYL)PROPANOATE is a white solid at room temperature and is insoluble in water but soluble in organic solvents. It is often used as a building block in the preparation of pharmaceuticals and research chemicals, and it is important for the development of new drugs and medications.

Check Digit Verification of cas no

The CAS Registry Mumber 210962-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,9,6 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 210962-91:
(8*2)+(7*1)+(6*0)+(5*9)+(4*6)+(3*2)+(2*9)+(1*1)=117
117 % 10 = 7
So 210962-91-7 is a valid CAS Registry Number.

210962-91-7Relevant articles and documents

Preparation method of sacubitril intermediate

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Paragraph 0043-0044; 0046-0047, (2021/04/17)

The invention relates to the technical field of synthesis of medical intermediates, in particular to a preparation method of a sacubitril intermediate, which comprises the following steps: 1) reacting a raw material compound III with phosphorus trihalide to obtain a compound II; and 2) reacting the compound II with phenylhydrazine in the presence of a catalyst and an additive to obtain a sacubitril intermediate, namely a compound I. According to the invention, cheap phosphorus trihalide is selected to replace expensive and highly toxic trifluoromethanesulfonic anhydride, and cheap phenylhydrazine and a catalyst palladium chloride are adopted. The method has the advantages of simple reaction operation, low cost and high yield, and is easier for industrial production of the compound I.

Total Synthesis of Seongsanamide B

Hutton, Craig A.,Shabani, Sadegh

supporting information, (2020/06/05)

The first total synthesis of the bicyclic depsipeptide natural product seongsanamide B is described. The successful approach employed solid-phase peptide synthesis of a core heptapeptide, incorporating on-resin esterification, followed by solution-phase macrolactamization and a late stage intramolecular Evans-Chan-Lam coupling to generate the biaryl ether of the isodityrosine unit.

Electrochemical synthesis of 1,2-diketones from alkynes under transition-metal-catalyst-free conditions

Zhou, Jie,Tao, Xiang-Zhang,Dai, Jian-Jun,Li, Chen-Guang,Xu, Jun,Xu, Hong-Mei,Xu, Hua-Jian

supporting information, p. 9208 - 9211 (2019/08/07)

We report an electrochemical protocol for the direct oxidation of internal alkynes in air to provide 1,2-diketones. A variety of functional groups and heterocycle-containing substrates can be tolerated well under mild conditions.

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