190841-68-0 Usage
Type of compound
Dithiol
Contains
Two thiol (sulfhydryl) groups
Common use
Organic synthesis and pharmaceutical research
Role
Chiral ligand and building block
Structural property
Asymmetric properties due to chiral structure
Utility
Synthesis of various chiral molecules
Potential applications
Materials science, organic semiconductor materials
Safety concerns
Corrosive and harmful if not used properly
Precaution
Handle with care
Check Digit Verification of cas no
The CAS Registry Mumber 190841-68-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,8,4 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 190841-68:
(8*1)+(7*9)+(6*0)+(5*8)+(4*4)+(3*1)+(2*6)+(1*8)=150
150 % 10 = 0
So 190841-68-0 is a valid CAS Registry Number.
190841-68-0Relevant academic research and scientific papers
Synthesis of structurally modified atropisomeric biaryl dithiols. Observations on the Newman-Kwart rearrangement
Cossu, Sergio,De Lucchi, Ottorino,Fabbri, Davide,Valle, Giovanni,Painter, Gavin F.,Smith, Robin A.J.
, p. 6073 - 6084 (2007/10/03)
The preparation of a number of biaryldithiols from biaryldiols is discussed. A key reaction is the Newman-Kwart thermorearrangement of bisthiocarbamates and crucial variables of temperature and reaction time have been identified. Alternative approaches to 3,3'-disubstituted dithiols via ortho metallation are presented. The benefit of using such disubstituted compounds is illustrated with representative examples of the stereochemical features of the derived carbanions in reactions with prochiral electrophiles.
