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178032-64-9

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178032-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178032-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,0,3 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 178032-64:
(8*1)+(7*7)+(6*8)+(5*0)+(4*3)+(3*2)+(2*6)+(1*4)=139
139 % 10 = 9
So 178032-64-9 is a valid CAS Registry Number.

178032-64-9Relevant articles and documents

A through halogen bond activation isoquinoline asymmetric hydrogenation method

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Paragraph 0037; 0038; 0039; 0047; 0062, (2019/03/26)

A through halogen bond activation isoquinoline asymmetric hydrogenation method, the catalyzing system is [...] complex, the activator is a halide. The reaction can be carried out under the following conditions, temperature: 25 - 100 °C; solvent: tetrahydr

A method catalyzed by iridium and used for bidirectional enantioselective synthesis of chiral tetrahydroisoquinoline

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Paragraph 0035-0051; 0053; 0059, (2018/03/01)

A method catalyzed by iridium and used for bidirectional enantioselective synthesis of chiral tetrahydroisoquinoline is provided. A catalysis system adopted by the method is a chiral diphosphine complex of iridium. By utilizing a single chiral source and

Asymmetric Hydrogenation of Isoquinolines and Pyridines Using Hydrogen Halide Generated in Situ as Activator

Chen, Mu-Wang,Ji, Yue,Wang, Jie,Chen, Qing-An,Shi, Lei,Zhou, Yong-Gui

supporting information, p. 4988 - 4991 (2017/09/23)

By employing halogenide trichloroisocyanuric acid as a traceless activation reagent, a general iridium-catalyzed asymmetric hydrogenation of isoquinolines and pyridines is developed with up to 99% ee. This method avoids tedious steps of installation and removal of the activating groups. The mechanism studies indicated that hydrogen halide generated in situ acted as an activator of isoquinolines and pyridines.

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