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98585-81-0

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98585-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98585-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,8 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 98585-81:
(7*9)+(6*8)+(5*5)+(4*8)+(3*5)+(2*8)+(1*1)=200
200 % 10 = 0
So 98585-81-0 is a valid CAS Registry Number.

98585-81-0Relevant articles and documents

Bicyclo[1.1.1]pentyl Sulfoximines: Synthesis and Functionalizations

B?r, Robin M.,Br?se, Stefan,Langer, Lukas,Nieger, Martin

, (2020/02/20)

Herein we present the first synthesis of bicyclo[1.1.1]pentyl (BCP) sulfoximines from the corresponding sulfides. Both BCPs and sulfoximines are bioisosteres used in medicinal chemistry and therefore desirable motifs. The access to BCP sulfides was enabled by the thiol addition to [1.1.1]propellane as published before. A broad scope with specific limitations was discovered for the sulfoximination. To diversify the sulfoximines, N-acylations and N-arylations were performed. As the N-arylation was low yielding we optimized the copper(I) catalyzed reaction. A wide range of aryl iodides could be deployed and competitive reactions showed that aryl bromides react equally fast. In a scale-up we prepared a suitable precursor for a BCP drug analogue. In this work several molecular structures could be determined by single-crystal X-ray diffraction. (Figure presented.).

Alkyl and Aryl Thiol Addition to [1.1.1]Propellane: Scope and Limitations of a Fast Conjugation Reaction

B?r, Robin M.,Kirschner, Stefan,Nieger, Martin,Br?se, Stefan

, p. 1373 - 1382 (2017/12/26)

Herein the addition of different thiols to the strained carbon–carbon bond of [1.1.1]propellane (1) is reported. The reaction pathway was investigated, addition reactions with substituted thiols, hydrogen sulfide and protected cysteine were performed, and

Efficient synthesis of 1-(trialkylstannyl)- and 1- (triarylstannyl)bicyclo[1.1.1]pentanes

Toops,Barbachyn

, p. 6505 - 6508 (2007/10/02)

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