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1585241-82-2

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1585241-82-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1585241-82-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,5,2,4 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1585241-82:
(9*1)+(8*5)+(7*8)+(6*5)+(5*2)+(4*4)+(3*1)+(2*8)+(1*2)=182
182 % 10 = 2
So 1585241-82-2 is a valid CAS Registry Number.

1585241-82-2Relevant articles and documents

Practical total syntheses of acromelic acids A and B

Inai, Makoto,Ouchi, Hitoshi,Asahina, Aya,Asakawa, Tomohiro,Hamashima, Yoshitaka,Kan, Toshiyuki

, p. 723 - 732 (2016)

Practical total syntheses of acromelic acids A (1) and B (2), which were scarce natural products isolated from toxic mushroom by Shirahama and Matsumoto, were accomplished in 13 (36% total yield) and 17 steps (6.9% total yield), respectively, from 2,6-dichloropyridine (8). Beginning with regioselective transformation of symmetric 8 by either ortho-lithiation or bromination, nitroalkenes 15 and 16 were provided. Stereoselective construction of the vicinal stereocenters at the C-3, 4 positions of 1 and 2 was performed by a Ni-catalyzed asymmetric conjugate addition of α-ketoesters to the nitroalkenes. Construction of the pyrrolidine ring was accomplished in a single operation via a sequence consisting of reduction of the nitro group, intramolecular condensation with the ketone, and reduction of the resulting ketimine.

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