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58469-00-4

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58469-00-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58469-00-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,4,6 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 58469-00:
(7*5)+(6*8)+(5*4)+(4*6)+(3*9)+(2*0)+(1*0)=154
154 % 10 = 4
So 58469-00-4 is a valid CAS Registry Number.

58469-00-4Downstream Products

58469-00-4Relevant articles and documents

Boron Lewis Acid-Catalyzed Regioselective Hydrothiolation of Conjugated Dienes with Thiols

Kumar, Gautam,Qu, Zheng-Wang,Ghosh, Soumen,Grimme, Stefan,Chatterjee, Indranil

, p. 11627 - 11633 (2019)

A transition-metal-free hydrothiolation of 1,3-dienes for the synthesis of secondary and tertiary allylic sulfides is reported. The boron Lewis acids tris(pentafluorophenyl)borane, B(C6F5)3, and BF3·Et2O are shown to catalyze the regioselective hydrothiolation of a wide range of terminal 1-aryl-1,3-dienes. In the case of internal 1,3-dienes, B(C6F5)3 is by far the better catalyst than BF3·Et2O. The process features mild reaction conditions, broad scope, and low catalyst loading, and it can be scaled up quickly over a short reaction time. The reactions are rate-limited by the 1-aryl-directed protonation of 1,3-dienes with thiol-boron Lewis acid complexes, followed by sulfide anion transfer to the resultant allyl cations, as revealed by high-level DFT calculations.

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