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22165-05-5

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22165-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22165-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,6 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22165-05:
(7*2)+(6*2)+(5*1)+(4*6)+(3*5)+(2*0)+(1*5)=75
75 % 10 = 5
So 22165-05-5 is a valid CAS Registry Number.

22165-05-5Relevant articles and documents

Visible-Light-Induced Nickel-Catalyzed Cross-Coupling with Alkylzirconocenes from Unactivated Alkenes

Bai, Songlin,Gao, Yadong,Jiang, Chao,Liu, Xiaolei,Qi, Xiangbing,Wang, Jing,Wu, Qingcui,Yang, Chao

supporting information, p. 675 - 688 (2020/03/11)

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Nickel-Catalyzed C(sp2)?C(sp3) Kumada Cross-Coupling of Aryl Tosylates with Alkyl Grignard Reagents

Piontek, Aleksandra,Och?dzan-Siod?ak, Wioletta,Bisz, Elwira,Szostak, Michal

supporting information, p. 2329 - 2336 (2019/04/13)

Aryl tosylates are an attractive class of electrophiles for cross-coupling reactions due to ease of synthesis, low price, and the employment of C?O electrophiles, however, the reactivity of aryl tosylates is low. Herein, we report the Ni-catalyzed C(sp2)?C(sp3) Kumada cross-coupling of aryl tosylates with primary and secondary alkyl Grignard reagents. The method delivers valuable alkyl arenes by cross-coupling with challenging alkyl organometallics possessing β-hydrogens that are prone to β-hydride elimination and homo-coupling. The reaction is catalyzed by an air- and moisture stable-Ni(II) precatalyst. A broad range of electronically-varied aryl tosylates, including bis-tosylates, underwent this transformation, and many examples are suitable at mild room temperature conditions. The combination of Ar?X cross-coupling with the facile Ar?OH activation/cross-coupling strategy permits for orthogonal cross-coupling with challenging alkyl organometallics. Furthermore, we demonstrate that the method operates with TON reaching 2000, which is one of the highest turnovers observed to date in Ni-catalyzed cross-couplings. (Figure presented.).

Phosphocholine derivatives having antihypertensive action

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, (2008/06/13)

Phosphocholine derivatives and compositions are described which are useful as hypotensive agents and in the treatment of hypertension in warm-blooded animals.

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