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4H-Pyran-4-one, 2-[(benzoyloxy)methyl]-3-hydroxy- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

25552-07-2

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25552-07-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25552-07-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,5 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 25552-07:
(7*2)+(6*5)+(5*5)+(4*5)+(3*2)+(2*0)+(1*7)=102
102 % 10 = 2
So 25552-07-2 is a valid CAS Registry Number.

25552-07-2Downstream Products

25552-07-2Relevant academic research and scientific papers

Thiourea-catalyzed enantioselective addition of indoles to pyrones: Alkaloid cores with quaternary carbons

Yeung, Charles S.,Ziegler, Robert E.,Porco, John A.,Jacobsen, Eric N.

, p. 13614 - 13617 (2014)

We report the development of a catalytic method for the enantioselective addition of indoles to pyrone-derived electrophiles. Arylpyrrolidino-derived thioureas catalyze the addition with high stereoselectivity in the presence of catalytic quantities of an achiral Bronsted acid. The indole-pyrone adducts feature a quaternary stereocenter and represent an unusual class of indolines bearing structural resemblance to the hybrid natural product pleiocarpamine.

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