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(2R)-2-[(1S)-1-(benzyloxy)ethyl]-3-vinyl-2,5-dihydrofuran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

344285-56-9

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344285-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344285-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,2,8 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 344285-56:
(8*3)+(7*4)+(6*4)+(5*2)+(4*8)+(3*5)+(2*5)+(1*6)=149
149 % 10 = 9
So 344285-56-9 is a valid CAS Registry Number.

344285-56-9Upstream product

344285-56-9Relevant academic research and scientific papers

Enantiocontrolled construction of tricyclic furan derivatives via an asymmetric Diels-Alder reaction

Pai, Chung-Cheng,Liu, Rai-Shung

, p. 1295 - 1297 (2007/10/03)

(equation presented) The two enantiomers of trycyclic furan derivatives were prepared respectively from Diels-Alder reactions of oxycyclic dienes 3a and 3b, followed by degradation of the 2-(benzyloxy)ethyl group. Compounds 3a and 3b can be selectively synthesized by [3+2]-cycloaddition of vinylpropargyltungsten complex with (2S)-(benzyloxy)-propanal.

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