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1623775-22-3

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1623775-22-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1623775-22-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,3,7,7 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1623775-22:
(9*1)+(8*6)+(7*2)+(6*3)+(5*7)+(4*7)+(3*5)+(2*2)+(1*2)=173
173 % 10 = 3
So 1623775-22-3 is a valid CAS Registry Number.

1623775-22-3Downstream Products

1623775-22-3Relevant articles and documents

Palladium-Catalyzed C–H Arylation of Amides by Triazole Assistance

Santra?, Darko,Cella, Stefano,Wang, Wei,Ackermann, Lutz

supporting information, p. 5429 - 5436 (2016/11/22)

Versatile palladium-catalyzed C–H arylations of benzamides were accomplished with the assistance of a removable triazole amine (TAM). The robustness of the palladium-catalyzed C–H functionalization protocol is reflected in its broad functional group tolerance, ample substrate scope, and ability to proceed under silver-free reaction conditions.

Iron-catalyzed C(sp2)-H and C(sp3)-H arylation by triazole assistance

Gu, Qing,Al Mamari, Hamad H.,Graczyk, Karolina,Diers, Emelyne,Ackermann, Lutz

, p. 3868 - 3871 (2014/05/06)

Modular 1,2,3-triazoles enabled iron-catalyzed C-H arylations with broad scope. The novel triazole-based bidentate auxiliary is easily accessible in a highly modular fashion and allowed for user-friendly iron-catalyzed C(sp 2)-H functionalizations of arenes and alkenes with excellent chemo- and diastereoselectivities. The versatile iron catalyst also proved applicable for challenging C(sp3)-H functionalizations, and proceeds by an organometallic mode of action. The triazole-assisted C-H activation strategy occurred under remarkably mild reaction conditions, and the auxiliary was easily removed in a traceless fashion. Intriguingly, the triazole group proved superior to previously used auxiliaries. With a little help: A versatile iron catalyst allows the arylation of C(sp2)-H and C(sp3)-H bonds in the presence of a modular and removable triazolyldimethylmethyl (TAM) auxiliary, whose structure can be varied through 1,3-dipolar azide-alkyne cycloadditions.

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