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1383616-98-5

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1383616-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1383616-98-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,3,6,1 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1383616-98:
(9*1)+(8*3)+(7*8)+(6*3)+(5*6)+(4*1)+(3*6)+(2*9)+(1*8)=185
185 % 10 = 5
So 1383616-98-5 is a valid CAS Registry Number.

1383616-98-5Downstream Products

1383616-98-5Relevant articles and documents

Titanium complexes of chiral amino alcohol derived Schiff bases as efficient catalysts in asymmetric oxidation of prochiral sulfides with hydrogen peroxide as an oxidant

Bera, Prasanta Kumar,Ghosh, Debashis,Abdi, Sayed Hasan Razi,Khan, Noor-Ul Hasan,Kureshy, Rukhsana Ilays,Bajaj, Hari Chandra

experimental part, p. 36 - 44 (2012/08/07)

An efficient asymmetric oxidation of prochiral sulfides catalyzed by a series of simple in situ generated complexes based on chiral amino alcohol derived Schiff bases with Ti(Oi-Pr)4 was carried out in presence of cheap and environmentally benign oxidant H2O2 at 0 °C. Prochiral sulfides were converted to respective chiral sulfoxides efficiently (conversion, 93%; up to ee, 98%) with this system in 10 h at 0 °C. The present study demonstrated a significant role of steric influence of the substituent attached on both aryl and alkyl moiety on the enantioselectivity. Kinetic studies of the catalytic reaction showed first order dependence on substrate and catalyst whereas it is zero for the oxidant. Kinetic studies in combination with UV-vis. spectral studies were used to propose a catalytic cycle for the sulfoxidation reaction.

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