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(2R,3S)-N-(tert-butoxycarbonyl)-3-(tert-butyldiphenylsilyl)oxy-2-[2-oxo-3-(4-oxo-4H-quinazolin-3-yl)propyl]piperidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

334976-44-2

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334976-44-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 334976-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,9,7 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 334976-44:
(8*3)+(7*3)+(6*4)+(5*9)+(4*7)+(3*6)+(2*4)+(1*4)=172
172 % 10 = 2
So 334976-44-2 is a valid CAS Registry Number.

334976-44-2Downstream Products

334976-44-2Relevant articles and documents

A concise enantioselective synthesis of antimalarial febrifugine alkaloids.

Ooi,Urushibara,Esumi,Iwabuchi,Hatakeyama

, p. 953 - 955 (2007/10/03)

Reaction of (S)-2-(tert-butyldiphenylsilyloxy)-5-(mesyloxy)pentanal with hydroxylamine in allyl alcohol brought about simultaneous 1,3-dipolar cycloaddition of the resulting nitrone to allyl alcohol to give three diastereoisomeric adducts, from which (+)-febrifugine and (+)-isofebrifugine, potent antimalarial alkaloids, were synthesized.

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