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6876-65-9

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6876-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6876-65-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,7 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6876-65:
(6*6)+(5*8)+(4*7)+(3*6)+(2*6)+(1*5)=139
139 % 10 = 9
So 6876-65-9 is a valid CAS Registry Number.

6876-65-9Relevant articles and documents

Metal-free transamidation of benzoylpyrrolidin-2-one and amines under aqueous conditions

Joseph, Devaneyan,Lee, Sunwoo,Park, Myeong Seong

supporting information, p. 6227 - 6232 (2021/07/28)

N-Acyl lactam amides, such as benzoylpyrrolidin-2-one, benzoylpiperidin-2-one, and benzoylazepan-2-one reacted with amines in the presence of DTBP and TBAI to afford the transamidated products in good yields. The reactions were conducted under aqueous conditions and good functional group tolerance was achieved. Both aliphatic and aromatic primary amines displayed good activity under metal-free conditions. A radical reaction pathway is proposed.

Palladium-catalyzed carbonylation of benzylic ammonium salts to amides and esters: Via C-N bond activation

Yu, Weijie,Yang, Shuwu,Xiong, Fei,Fan, Tianxiang,Feng, Yan,Huang, Yuanyuan,Fu, Junkai,Wang, Tao

supporting information, p. 3099 - 3103 (2018/05/22)

An efficient palladium-catalyzed carbonylation reaction of readily available quaternary ammonium salts with CO is reported for the first time to afford arylacetamides and arylacetic acid esters via benzylic C-N bond cleavage. This protocol features mild reaction conditions under atmospheric pressure of CO, a redox-neutral process without an additional oxidant, and a broad substrate scope for various kinds of amines, alcohols and phenols.

Copper-Catalyzed Coupling Reaction of (Hetero)Aryl Chlorides and Amides

De, Subhadip,Yin, Junli,Ma, Dawei

supporting information, p. 4864 - 4867 (2017/09/23)

Cu2O/N,N′-bis(thiophen-2-ylmethyl)oxalamide is established to be an effective catalyst system for Goldberg amidation with inferior reactive (hetero)aryl chlorides, which have not been efficiently documented by Cu-catalysis to date. The reaction is well liberalized toward a variety of functionalized (hetero)aryl chlorides and a wide range of aromatic and aliphatic primary amides in good to excellent yields. Furthermore, the arylation of lactams and oxazolidinones is achieved. The present catalytic system also accomplished an intramolecular cross-coupling product.

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