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87156-77-2

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87156-77-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87156-77-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,5 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87156-77:
(7*8)+(6*7)+(5*1)+(4*5)+(3*6)+(2*7)+(1*7)=162
162 % 10 = 2
So 87156-77-2 is a valid CAS Registry Number.

87156-77-2Relevant articles and documents

Enantioselective allylic thioetherification: The effect of phosphoric acid diester on iridium-catalyzed enantioconvergent transformations

Roggen, Markus,Carreira, Erick M.

, p. 8652 - 8655 (2012/10/08)

You'll take the high road and I'll take the low road: Enantioenriched allylic thioethers have been synthesized from chiral racemic allylic alcohols. The combination of an Ir-(P,alkene) complex and dibutyl phosphoric acid are required to attain high select

Direct synthesis of thioethers from sulfonyl chlorides and activated alcohols

Martin, Michael T,Thomas, Alford M,York, Douglas G

, p. 2145 - 2147 (2007/10/03)

An efficient, safe one-pot synthesis of thioethers from aromatic sulfonyl chlorides and activated alcohols has been developed under non-aqueous conditions.

Novel Tandem Conjugate Addition-Ramberg-B?cklund Rearrangements

Evans, Paul,Taylor, Richard J. K.

, p. 1043 - 1044 (2007/10/03)

A novel tandem process is reported for the preparation of allylic amines, ethers and sulfides from α-bromo-α,β-unsaturated sulfones; this process is believed to proceed via an initial conjugate addition followed by proton exchange and Ramberg-Ba?cklund rearrangement.

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