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77383-01-8

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77383-01-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77383-01-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,8 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77383-01:
(7*7)+(6*7)+(5*3)+(4*8)+(3*3)+(2*0)+(1*1)=148
148 % 10 = 8
So 77383-01-8 is a valid CAS Registry Number.

77383-01-8Downstream Products

77383-01-8Relevant articles and documents

Studies on Chiral Organo-Sulfur Compounds. I. Asymmetric Synthesis of Sulfoxides with Optically Active o-Aminoalkylphenol Derivatives

Hiroi, Kunio,Sato, Shuko,Kitayama, Ryuichi

, p. 3471 - 3485 (2007/10/02)

Several kinds of optically active o-aminoalkylphenols were prepared and used to develop asymmetric synthetic methods for chiral sulfoxides.The reaction of 2,3-dihydro-1,2,3-benzoxathiazine 2-oxides (derived from the o-aminoalkylphenols and thionyl chloride) with phenylmagnesium bromide, followed by treatment with alkyllithium, gave optically active sulfoxides with high enantiospecificity.Among several kinds of optically active o-aminoalkylphenols examined, the readily available aminophenol, (S)-(-)-o-phenol, was found to be the most efficient and recyclable chiral source for the asymmetric synthesis of sulfoxides.Keywords - asymmetric synthesis; chiral sulfoxide; o-aminoalkylphenol; 3,4-dihydro-1,2,3-benzoxathiazine 2-oxide; thionyl chloride

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