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270078-95-0

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270078-95-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 270078-95-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,0,0,7 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 270078-95:
(8*2)+(7*7)+(6*0)+(5*0)+(4*7)+(3*8)+(2*9)+(1*5)=140
140 % 10 = 0
So 270078-95-0 is a valid CAS Registry Number.

270078-95-0Relevant articles and documents

Bisoxazoline and bioxazoline chiral ligands bearing 4-diphenylmethyl shielding substituents. Diels-Alder reaction of cyclopentadiene with 3-acryloyl-2-oxazolidinone catalyzed by the aqua nickel(II) complex

Kanemasa,Adachi,Yamamoto,Wada

, p. 681 - 687 (2000)

Enantiopure 2-amino-3,3-diphenyl-1-propanol was synthesized by the hidantoin route starting from diphenyl-acetaldehyde followed by subsequent functional group transformations and optical resolution by a chiral HPLC. The amino alcohol can be converted into two new chiral ligands: 4,4'-bis(diphenylmethyl)-2,2'-bioxazoline and 2,2'-isopropylidenebis(4-diphenylmethyloxazoline), and further to complexes with copper(II) trifluoromethanesulfonate and nickel(II) perchlorate hexahydrate. The nickel(II) aqua complex obtained from the bisoxazoline effectively catalyzed the Diels-Alder reactions of cyclopentadiene with 3-acryloyl-2-oxazolidinone in high endo-selectivities and moderate enantioselectivities via a square planar transition structure.

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