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1238366-03-4

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1238366-03-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1238366-03-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,8,3,6 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1238366-03:
(9*1)+(8*2)+(7*3)+(6*8)+(5*3)+(4*6)+(3*6)+(2*0)+(1*3)=154
154 % 10 = 4
So 1238366-03-4 is a valid CAS Registry Number.

1238366-03-4Relevant articles and documents

Synthesis of tetrahydroisoquinoline-diamine ligands and their application in asymmetric transfer hydrogenation

Peters, Byron K.,Chakka, Sai Kumar,Naicker, Tricia,Maguire, Glenn E.M.,Kruger, Hendrik G.,Andersson, Pher G.,Govender, Thavendran

experimental part, p. 679 - 687 (2010/07/17)

The use of the tetrahydroisoquinoline scaffold is well documented in biologically active compounds. However, reports of the utilisation of tetrahydroisoquinoline compounds in asymmetric catalysis are limited. The synthesis of novel diamine ligands possessing the tetrahydroisoquinoline (tetrahydroisoquinoline) backbone and evaluation of their activity in the asymmetric transfer hydrogenation of acetophenone are presented. The diamine ligands in conjunction with i-PrOH as the hydrogen source and [RhCl2(Cp*)]2 as the metal precursor proved to be the most effective of the tetrahydroisoquinoline derivatives for this catalytic system. Water was found to have a profound influence on the enantioselectivity of the reaction. Optimisation of the amount water, i-PrOH and catalytic loading content rendered the best result of 70% enantioselectivity for the (S)-1-phenylethanol isomer product.

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