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22094-21-9

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22094-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22094-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,0,9 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22094-21:
(7*2)+(6*2)+(5*0)+(4*9)+(3*4)+(2*2)+(1*1)=79
79 % 10 = 9
So 22094-21-9 is a valid CAS Registry Number.

22094-21-9Relevant articles and documents

Formyloxyacetoxyphenylmethane as an N-Formylating Reagent for Amines, Amino Acids, and Peptides

Chapman, Robert S. L.,Lawrence, Ruth,Williams, Jonathan M. J.,Bull, Steven D.

supporting information, p. 4908 - 4911 (2017/09/23)

Formyloxyacetoxyphenylmethane is a stable, water-tolerant, N-formylating reagent for primary and secondary amines that can be used under solvent-free conditions at room temperature to prepare a range of N-formamides, N-formylanilines, N-formyl-α-amino acids, N-formylpeptides, and an isocyanide.

Highly enantioselective reaction of lithiated N-Boc-thiazolidine: A new chiral formyl anion equivalent

Wang, Libo,Nakamura, Shuichi,Toru, Takeshi

, p. 2168 - 2169 (2007/10/03)

Reaction of lithiated N-Boc-thiazolidine 1 with various aldehydes in the presence of (-)-sparteine afforded the products with up to 93% ee. The reaction was confirmed to proceed through a dynamic thermodynamic resolution pathway. Each diastereomeric alcohol could be converted to the corresponding optically active 1,2-ethanediols.

Reduction of ethanethiol esters to aldehydes

Tokuyama, Hidetoshi,Yokoshima, Satoshi,Lin, Shao-Cheng,Li, Leping,Fukuyama, Tohru

, p. 1121 - 1123 (2007/10/03)

Reduction of ethanethiol esters of α-amino acids to α-amino aldehydes by triethylsilane and catalytic palladium-on-carbon is described. α-Amino aldehydes with Boc, Cbz, or Fmoc protection could be obtained without racemization in high yield.

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