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208331-48-0

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208331-48-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 208331-48-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,3,3 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 208331-48:
(8*2)+(7*0)+(6*8)+(5*3)+(4*3)+(3*1)+(2*4)+(1*8)=110
110 % 10 = 0
So 208331-48-0 is a valid CAS Registry Number.

208331-48-0Downstream Products

208331-48-0Relevant articles and documents

Acid-promoted cyclization of 2,4-diaryl-1,1,1-trifluorobut-3-en-2-oles and their TMS-ethers into CF3-indenes

Martynov, Matvei Yu.,Iakovenko, Roman O.,Kazakova, Anna N.,Boyarskaya, Irina A.,Vasilyev, Aleksander V.

, p. 2541 - 2550 (2017)

2,4-Diaryl-1,1,1-trifluorobut-3-en-2-oles and their TMS-ethers in H2SO4 at room temperature in just 2 min are quantitatively cyclized into 1-aryl-3-trifluoromethyl-1H-indenes. The reaction proceeds through an intermediate formation o

Enantioselective Phosphine-Catalyzed Allylic Alkylations of mix-Indene with MBH Carbonates

Zhang, Junyou,Wu, Hai-Hong,Zhang, Junliang

, p. 6080 - 6083 (2017)

The first enantioenriched synthesis of 1,1,3-trisubstituted (trifluoromethyl)indene derivatives, bearing a quaternary stereogenic carbon center, is reported using a simple chiral sulfinamide phosphine-catalyzed asymmetric allylic alkylation of a mixture of indenes with Morita-Baylis-Hillman carbonates. The resulting derivatives can serve as a valuable synthetic building block for some drugs and natural products. Broad substrate scope and high regio- and enantioselectivity of this reaction were particularly remarkable.

COMPLEXES FOR NUCLEOPHILIC, RADICAL, AND ELECTROPHILIC POLYFLUOROALKYLATION

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Paragraph 00136; 00142, (2018/04/11)

Disclosed herein are borazine complexes and use of the same in perfluoroalkylation reactions.

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