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107554-42-7

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107554-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107554-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,5,5 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 107554-42:
(8*1)+(7*0)+(6*7)+(5*5)+(4*5)+(3*4)+(2*4)+(1*2)=117
117 % 10 = 7
So 107554-42-7 is a valid CAS Registry Number.

107554-42-7Relevant articles and documents

Regio- and enantioselective synthesis of novel functionalized pyranopyrrolidines by 1,3-dipolar cycloaddition of carbohydrates

Bashiardes, George,Cano, Céline,Mauzé, Bernard

, p. 587 - 590 (2005)

A new methodology is described for the rapid enantiomeric synthesis of a novel series of pyranopyrrolidines from readily available and inexpensive carbohydrate compounds. The major feature of the method is a highly selective [3+2] cycloaddition reaction of different azomethine ylides with a chiral carbohydrate-derived enone. The reaction proved to be extremely regio- and stereoselective, giving rise to single enantiomeric compounds in all cases. Moreover, the method is totally atom-efficient and amenable to diversity, since structural diversity of the new compounds is dictated by the choice of the starting materials employed.

Diastereoselective Strecker Synthesis using α-Phenylglycinol as Chiral Auxiliary

Chakraborty, T. K.,Reddy, G. V.,Hussain, K. Azhar

, p. 7597 - 7600 (2007/10/02)

Use of α-phenylglycinol as chiral auxiliary in Strecker synthesis ensures high diastereoselectivity and its easy removal by oxidative cleavage allows large scale preparation of optically active α-amino acids.

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