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77944-28-6

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77944-28-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77944-28-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,4 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77944-28:
(7*7)+(6*7)+(5*9)+(4*4)+(3*4)+(2*2)+(1*8)=176
176 % 10 = 6
So 77944-28-6 is a valid CAS Registry Number.

77944-28-6Downstream Products

77944-28-6Relevant articles and documents

Regio- and Stereoselective Hydrosulfonylation of Conjugated Dienes via a (?-Allyl)palladium Complex

Tamaru, Yoshinao,Yamada, Yoshimi,Kagotani, Masahiro,Ochiai, Hirofumi,Nakajo, Eiji,et al.

, p. 4669 - 4681 (2007/10/02)

The combination of a sulfonylpalladation of acyclic dienes 1 (with 2 equiv of NaSO2R and 1 equiv of PdCl2 in acetic acid or acetic acid-H2O at 50-80 deg C under air) and a protiodepalladation of the thus obtained palladium complexes 3 with dimethylglyoxime (in a protic solvent at room temperature) provides di- and trisubstituted (Z)-Δ3-sulfones 12 selectively, irrespective of the stereochemistry of the starting dienes.Similar treatment of 1-vinylcycloalkenes 5 (n (1,3) strain between Pd and the substituent on the allylic position.

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