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125996-98-7

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125996-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125996-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,9,9 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 125996-98:
(8*1)+(7*2)+(6*5)+(5*9)+(4*9)+(3*6)+(2*9)+(1*8)=177
177 % 10 = 7
So 125996-98-7 is a valid CAS Registry Number.

125996-98-7Relevant articles and documents

Selective α-monoallylation of phenyl ketones and benzocycloalkanones under microwave irradiation

Cid, José M.,Romera, Juan L.,Trabanco, Andrés A.

, p. 1133 - 1136 (2004)

A method for the selective α-monoallylation of phenyl ketones and benzocycloalkanones with allyl alcohol under microwave irradation is described. The corresponding α-allyl ketones are obtained in moderate to good yields with only minor quantities of diallylation by-products.

Radical Aza-Cyclization of α-Imino-oxy Acids for Synthesis of Alkene-Containing N-Heterocycles via Dual Cobaloxime and Photoredox Catalysis

Tu, Jia-Lin,Liu, Jia-Li,Tang, Wan,Su, Ma,Liu, Feng

supporting information, p. 1222 - 1226 (2020/02/15)

Nitrogen-containing heterocycles are prevalent in both naturally and synthetically bioactive molecules. We report herein an unprecedented protocol for radical aza-cyclization of α-imino-oxy acids with pendant alkenes via synergistic photoredox and cobaloxime catalysis. With or without alkenes as the intermolecular cross-coupling partners, the transformation provides a variety of corresponding alkene-containing dihydropyrrole products in satisfactory yields. In the presence of external alkenes, the tandem reaction generates E-selective coupling products with excellent chemo- and stereoselectivity.

'Propylene spaced' allyl tin reagents: A new class of fluorous tin reagents for allylations under radical and metal-catalyzed conditions

Curran, Dennis P.,Luo, Zhiyong,Degenkolb, Peter

, p. 2403 - 2408 (2007/10/03)

A new generation of propylene-spaced fluorous allyltin reagents [(Rf(CH2)3)3SnCH2CH=CH2] is described. These succeed in radical allylations where their lower homologs (ethylene-spaced) fail, and they provide improved performance in transition metal catalyzed allylations. The reagents and byproducts are readily separated by simple fluorous-organic liquid-liquid or solid-liquid extractions.

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