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855196-51-9

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855196-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 855196-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,1,9 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 855196-51:
(8*8)+(7*5)+(6*5)+(5*1)+(4*9)+(3*6)+(2*5)+(1*1)=199
199 % 10 = 9
So 855196-51-9 is a valid CAS Registry Number.

855196-51-9Relevant articles and documents

Ni-Catalyzed Aryl Sulfide Synthesis through an Aryl Exchange Reaction

Isshiki, Ryota,Kurosawa, Miki B.,Muto, Kei,Yamaguchi, Junichiro

, p. 10333 - 10340 (2021/07/21)

A Ni-catalyzed aryl sulfide synthesis through an aryl exchange reaction between aryl sulfides and a variety of aryl electrophiles was developed. By using 2-pyridyl sulfide as a sulfide donor, this reaction achieved the synthesis of aryl sulfides without using odorous and toxic thiols. The use of a Ni/dcypt catalyst capable of cleaving and forming aryl-S bonds was important for the aryl exchange reaction between 2-pyridyl sulfides and aryl electrophiles, which include aromatic esters, arenol derivatives, and aryl halides. Mechanistic studies revealed that Ni/dcypt can simultaneously undergo oxidative additions of aryl sulfides and aromatic esters, followed by ligand exchange between the generated aryl-Ni-SR and aryl-Ni-OAr species to furnish aryl exchanged compounds.

CuI promoted sulfenylation of organozinc reagents with arylsulfonyl chlorides

Fu, Ying,Su, Yuhu,Xu, Qin-Shan,Du, Zhengyin,Hu, Yulai,Wang, Ke-Hu,Huang, Danfeng

, p. 6018 - 6022 (2017/02/05)

A CuI promoted sulfenylation of organozinc reagents with arylsulfonyl chlorides/PPh3 has been explored. This reaction proceeded smoothly through an alkyl/aryl radical (generated from organometallics) under mild conditions and produced the desired sulfide products in excellent yields.

THERAPEUTIC AGENTS

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Page/Page column 34, (2008/06/13)

A compound of the formula (I): wherein R1,R2,R3, R4,Ar, A, n and m are defined herein, is disclosed as a GlyT1 inhibitor; pharmaceutical compositions containing the compound of the formula (I) are also disclosed as are their use in medicine, for example in the treatment of schizophrenia.

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