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1159706-94-1

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1159706-94-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1159706-94-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,9,7,0 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1159706-94:
(9*1)+(8*1)+(7*5)+(6*9)+(5*7)+(4*0)+(3*6)+(2*9)+(1*4)=181
181 % 10 = 1
So 1159706-94-1 is a valid CAS Registry Number.

1159706-94-1Relevant articles and documents

Pd-Catalyzed Enantioselective Dearomative Allylic Annulation to Access PPAPs Analogues

Li, Sanliang,Chen, Qiaoyu,Xie, Xiaoxiao,Yang, Junfeng,Zhang, Junliang

, p. 7824 - 7828 (2021/10/20)

Polycyclic polyprenylated acylphloroglucinols (PPAPs) share a common bicyclo[3.3.1]alkenone core structure and attract numerous attention from synthetic organic chemists due to their fascinating biological properties and associated synthetic challenges. We present herein that Pd-phosphoramidite catalysts promote the enantioselective dearomative allylic annulation reaction between allyl desoxyhumulones and allylic dicarbonates, affording PPAPs analogues in good yields and enantioselectivities. The reaction likely proceeds through two-step dearomative allylation by Pd, and the C-allylation pathway is the dominant mechanistic model.

Asymmetric, stereodivergent synthesis of (-)-clusianone utilizing a biomimetic cationic cyclization

Boyce, Jonathan H.,Porco, John A.

supporting information, p. 7832 - 7837 (2014/08/05)

We report a stereodivergent, asymmetric total synthesis of (-)-clusianone in six steps from commercial materials. We implement a challenging cationic cyclization forging a bond between two sterically encumbered quaternary carbon atoms. Mechanistic studies point to the unique ability of formic acid to mediate the cyclization forming the clusianone framework. Aim for selectivity: (-)-Clusianone was produced by a stereodivergent asymmetric total synthesis in six steps from commercial materials. The synthesis utilizes a challenging formic acid-mediated cationic cyclization forging a bond between two sterically encumbered quaternary carbon atoms.

Manganese(III)-mediated transformations of phloroglucinols: A formal oxidative [4 + 2] cycloaddition leading to bicyclo[2.2.2]octadiones

Mitasev, Branko,Porco Jr., John A.

supporting information; experimental part, p. 2285 - 2288 (2009/11/30)

Manganese(III)-mediated oxidative transformations of dearomatized phloroglucinol (1,3,5-trihydroxybenzene) derivatives are reported. A number of cyclization modes have been observed, including polycyclization to afford bicyclo[2.2.2]octadiones via a forma

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