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17104-67-5

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17104-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17104-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,1,0 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 17104-67:
(7*1)+(6*7)+(5*1)+(4*0)+(3*4)+(2*6)+(1*7)=85
85 % 10 = 5
So 17104-67-5 is a valid CAS Registry Number.

17104-67-5Relevant articles and documents

Ni-Catalyzed Reductive Cyanation of Aryl Halides and Phenol Derivatives via Transnitrilation

Mills, L. Reginald,Graham, Joshua M.,Patel, Purvish,Rousseaux, Sophie A. L.

supporting information, p. 19257 - 19262 (2019/12/02)

Herein, we report a Ni-catalyzed reductive coupling for the synthesis of benzonitriles from aryl (pseudo)halides and an electrophilic cyanating reagent, 2-methyl-2-phenyl malononitrile (MPMN). MPMN is a bench-stable, carbon-bound electrophilic CN reagent that does not release cyanide under the reaction conditions. A variety of medicinally relevant benzonitriles can be made in good yields. Addition of NaBr to the reaction mixture allows for the use of more challenging aryl electrophiles such as aryl chlorides, tosylates, and triflates. Mechanistic investigations suggest that NaBr plays a role in facilitating oxidative addition with these substrates.

Nickel-Catalyzed Cyanation of Aryl Chlorides and Triflates Using Butyronitrile: Merging Retro-hydrocyanation with Cross-Coupling

Yu, Peng,Morandi, Bill

, p. 15693 - 15697 (2017/12/02)

We describe a nickel-catalyzed cyanation reaction of aryl (pseudo)halides that employs butyronitrile as a cyanating reagent instead of highly toxic cyanide salts. A dual catalytic cycle merging retro-hydrocyanation and cross-coupling enables the conversion of a broad array of aryl chlorides and aryl/vinyl triflates into their corresponding nitriles. This new reaction provides a strategically distinct approach to the safe preparation of aryl cyanides, which are essential compounds in agrochemistry and medicinal chemistry.

A PROCESS FOR THE PREPARATION OF 3-CYANO-1-NAPHTHOIC ACID AND SOME ANALOGUES THEREOF

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Page 20, (2010/02/05)

The present invention is related to a process for the preparation of 3-cyano-1-naphthoic acid and some analogues thereof of formula (1), the intermediate 1-halo-3-cyano naphthalene and some analogues thereof used in this process and a process for the preparation of said intermediate.

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