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Benzeneacetic acid, a-methoxy-, 2-oxo-2H-pyran-3-yl ester, (S)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

135382-49-9

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135382-49-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135382-49-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,3,8 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 135382-49:
(8*1)+(7*3)+(6*5)+(5*3)+(4*8)+(3*2)+(2*4)+(1*9)=129
129 % 10 = 9
So 135382-49-9 is a valid CAS Registry Number.

135382-49-9Downstream Products

135382-49-9Relevant academic research and scientific papers

ASYMMETRIC DIELS-ALDER REACTIONS. INVERSE ELECTRON DEMAND REACTIONS OF ESTERS OF 2-HYDROXYPYRAN-2-ONE WITH VINYL ETHERS: USE OF HIGH PRESSURE TO AVOID DECARBOXYLATION OF ADDUCTS

Prapansiri, Vichukorn,Thornton, Edward R.

, p. 3147 - 3150 (1991)

Asymmetric inverse electron-demand Diels-Alder reactions of esters of 3-hydroxypyran-2-one with vinyl ethers proceed under high pressure at ambient temperature, making isolation of the synthetically useful bicyclic adducts feasible.Investigation has revealed that the desired adduct can be synthesized with diastereofacial selectivity, up to 88:12, by reaction of the acetate of 3-hydroxypyran-2-one with chiral 8-(3,5-dimethylphenyl)menthyl vinyl ether.

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