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350681-11-7

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350681-11-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 350681-11-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,0,6,8 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 350681-11:
(8*3)+(7*5)+(6*0)+(5*6)+(4*8)+(3*1)+(2*1)+(1*1)=127
127 % 10 = 7
So 350681-11-7 is a valid CAS Registry Number.

350681-11-7Downstream Products

350681-11-7Relevant articles and documents

Alkylation of N′-[(S)-1′-phenylethyl]-N-(diphenylmethylene)glycinamide using a phase transfer catalyst (PTC) for practical asymmetric syntheses of α-amino acid derivatives

Kim, Hyun Ju,Lee, Sang-Kuk,Park, Yong Sun

, p. 613 - 616 (2001)

The chiral auxiliary mediated stereoselective alkylation reaction of N′-[(S)-1′-phenylethyl]-N-(diphenylmethylene)glycinamide (1) using a phase transfer catalyst (PTC) is described. Alkylation of 1 using 18-crown-6 as a PTC for liquid-solid extraction of KOH in toluene gives best results. This methodology provides a practical protocol for the preparation of a variety of enantio-enriched unnatural α-amino acid derivatives up to 83:17 enantiomeric ratio.

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