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34862-96-9

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34862-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34862-96-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,8,6 and 2 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 34862-96:
(7*3)+(6*4)+(5*8)+(4*6)+(3*2)+(2*9)+(1*6)=139
139 % 10 = 9
So 34862-96-9 is a valid CAS Registry Number.

34862-96-9Relevant articles and documents

Copper-catalyzed asymmetric allylic alkylation of racemic cyclic substrates: Application of dynamic kinetic asymmetric transformation (DYKAT)

Langlois, Jean-Baptiste,Alexakis, Alexandre

supporting information; experimental part, p. 447 - 457 (2010/06/13)

The copper-catalyzed asymmetric allylic alkylation (AAA) is of great interest in organic synthesis. This reaction was extensively studied using a broad range of substrates, ligands and organometallic reagents. However, the use of racemic substrates was still limited. Although some processes of kinetic resolution are reported in the literature, no examples of quantitative deracemization are described as is the case for the Pd-catalyzed allylic alkylation. We present here a full account of our investigations through the development of the first example of such a process in copper-catalyzed AAA. High enantioselectivities (up to 99% ee), scope of the reaction and mechanistic considerations are reported herein.

MECHANISM OF FORMATION OF 3,5-DIPHENYLISOXAZOLE IN THE REACTION OF 1,2-DIPHENYLCYCLOPROPANES WITH COPPER NITRATE IN ACETIC ANHYDRIDE

Sychkova, L. D.,Kalinkina, O. L.,Shabarov, Yu. S.

, p. 1277 - 1281 (2007/10/02)

In reaction with copper nitrate in acetic anhydride the stereoisomeric 1,2-diphenylcyclopropanes give 3,5-diphenylisoxazole.Preliminary isomerization of the cyclopropane hydrocarbons to the corresponding propenes does not occur during the reaction.For the

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