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97206-71-8

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97206-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97206-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,2,0 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97206-71:
(7*9)+(6*7)+(5*2)+(4*0)+(3*6)+(2*7)+(1*1)=148
148 % 10 = 8
So 97206-71-8 is a valid CAS Registry Number.

97206-71-8Downstream Products

97206-71-8Relevant articles and documents

Synthesis of 2-Alkenyl-Tethered Anilines

Denmark, Scott E.,Chi, Hyung Min

, p. 2873 - 2888 (2017/06/27)

Three general routes for the synthesis of (E)-2-alkenyl-tethered anilines have been developed. The first route involves a 3-aza-Cope rearrangement of N -allylic anilines in the presence of a Lewis acid. The requisite N -allylic anilines were prepared by t

ENANTIOSELECTIVE AMINATION AND ETHERIFICATION___________________

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Page 21, (2010/02/06)

The present invention is directed to a catalyst composition, comprising: (1) a catalyst precursor having the general structure MSXn wherein M is a transition metal selected from the group consisting of iridium, molybdenum, and tungsten; S is a coordinating ligand; X is a counterion; and n is an integer from 0 to 5; and (2) a phosphoramidite ligand having the structure wherein O-Cn-O is an aliphatic or aromatic diolate and wherein R1, R2, R3 and R4 are selected from the group consisting of substituted or unsubstituted aryl groups, substituted or unsubstituted heteroaryl groups, substituted or unsubstituted aliphatic groups, and combinations thereof, with the proviso that at least one of R1, R2, R3, or R4 must be a substituted or unsubstituted aryl or heteroaryl group. The present invention is also directed to activated catalysts made from the above catalyst composition, as well as methods of allylic amination and etherification using the above catalysts.

Addition of Phenylnitrenium Ion to Olefins. Reactions of Phenyl Azide with Some Olefins in the Presence of Trifluoroacetic Acid

Takeuchi, Hiroshi,Koyama, Kikuhiko,Mitani, Michiharu,Ihara, Rie,Uno, Tomoko,et al.

, p. 677 - 684 (2007/10/02)

Addition to cyclohexene, cis- or trans-4-methylpent-2-ene, or hex-1-ene of a singlet phenylnitrenium ion, generated from phenyl azide in the presence of trifluoroacetic acid, gave stereo- or regiospecifically N-phenyl-β-hydroxylamines (after work-up with aqueous Na2CO3) via aziridinium ions together with N-allyl and 2- and/or 4-allylanilines.Use of methyl acrylate or methyl crotonate as an electron-deficient olefin led to the formationof N-phenylserine or N-phenylthreonine methyl ester (after work-up with with aqueous Na2CO3), respectively.In the reaction with 1,1-disubstituted ethylene or styrene derivatives, N-substituted anilines were formed through an attack of either tertiary alkyl or benzylic cations on phenyl azide.

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