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1078719-77-3

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1078719-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1078719-77-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,8,7,1 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1078719-77:
(9*1)+(8*0)+(7*7)+(6*8)+(5*7)+(4*1)+(3*9)+(2*7)+(1*7)=193
193 % 10 = 3
So 1078719-77-3 is a valid CAS Registry Number.

1078719-77-3Downstream Products

1078719-77-3Relevant articles and documents

Convergent synthesis of 1,1′-biisoquinolines tethered to calamitic subunits

Kapatsina, Elisabeth,Lordon, Marie,Baro, Angelika,Laschat, Sabine

experimental part, p. 2551 - 2560 (2009/04/07)

A convergent synthesis of a series of 4,4′-functionalized 1,1′-biisoquinolines via 1-chloro-4-hydroxyisoquinoline and substituted biphenyl- and phenylpyrimidine ethers as building blocks is described. The latter were prepared by Williamson etherification of the respective 4-hydroxybiphenyl and -phenylpyrimidine precursors with dibromoalkanes, allowing variation of the spacer lengths. 1-Chloro-4-hydroxyisoquinoline was obtained from N-phthalimidoglycine ethyl ester through a Gabriel-Colman reaction as a key step. Linkage of the building blocks by etherification in the presence of potassium carbonate gave the isoquinolines, which were submitted to a nickel(II) chloride mediated homocoupling to yield the ligand systems. Georg Thieme Verlag Stuttgart.

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