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methyl (3S,7aR)-5-oxo-3-phenyl-5,71-dihydro-1H,3H-pyrrolo[1,2-c]oxazole-6-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

503552-78-1

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503552-78-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503552-78-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,5,5 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 503552-78:
(8*5)+(7*0)+(6*3)+(5*5)+(4*5)+(3*2)+(2*7)+(1*8)=131
131 % 10 = 1
So 503552-78-1 is a valid CAS Registry Number.

503552-78-1Upstream product

503552-78-1Relevant academic research and scientific papers

A formal synthesis of (-)-paroxetine by enantioselective ring enlargement of a trisubstituted prolinol

Cossy, Janine,Mirguet, Olivier,Pardo, Domingo Gomez,Desmurs, Jean-Roger

, p. 3543 - 3551 (2002)

A ring expansion and a radical dehalogenation have been used as the key steps in a formal total synthesis of (-)-paroxetine. The substituted piperidine ring precursor of (-)-paroxetine was generated by means of a stereoselective ring expansion of prolinol. ( Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002).

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