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126107-73-1

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126107-73-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126107-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,1,0 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 126107-73:
(8*1)+(7*2)+(6*6)+(5*1)+(4*0)+(3*7)+(2*7)+(1*3)=101
101 % 10 = 1
So 126107-73-1 is a valid CAS Registry Number.

126107-73-1Relevant articles and documents

Synthesis of diastereomerically and enantiomerically pure 2,3-disubstituted tetrahydrofurans using a sulfoxonium ylide

Schomaker, Jennifer M.,Pulgam, Veera Reddy,Borhan, Babak

, p. 13600 - 13601 (2007/10/03)

Nucleophilic substitution reactions of 2,3-epoxy alcohols, easily prepared via Sharpless asymmetric epoxidation chemistry, offer access to a wide variety of enantiomerically pure compounds. In this communication, we describe the use of a Payne rearrangement to control regioselectivity in the ring-opening of a series of 2,3-epoxy alcohols with dimethylsulfoxonium methylide to yield diastereomerically and/or enantiomerically pure disubstituted tetrahydrofuran rings. The factors influencing the success and substitution pattern of the THF ring products are discussed, including steric, electronic, and solvent effects. Copyright

High-Enantioselective Synthesis of Pyrrolidine Derivatives as Chiral Building Blocks

Hirai, Yoshiro,Chintani, Masaru,Yamazaki, Takao,Momose, Takefumi

, p. 1449 - 1452 (2007/10/02)

All four stereoisomers of a pyrrolidine derivative, which is useful as a versatile chiral building block for synthesis of several pyrrolizidine alkaloids, were prepared in high enantioselectivity by utilizing the Sharpless epoxidation of the intermediate

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