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((4S,5S)-4,5-Diphenyl-[1,3]dioxolan-2-yl)-acetic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

300555-66-2

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300555-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 300555-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,5,5 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 300555-66:
(8*3)+(7*0)+(6*0)+(5*5)+(4*5)+(3*5)+(2*6)+(1*6)=102
102 % 10 = 2
So 300555-66-2 is a valid CAS Registry Number.

300555-66-2Downstream Products

300555-66-2Relevant academic research and scientific papers

New protecting groups for 1,2-diols (boc- and moc-ethylidene). Cleavage of acetals with bases

Ariza, Xavier,Costa, Anna M.,Faja, Montserrat,Pineda, Oriol,Vilarrasa, Jaume

, p. 2809 - 2811 (2000)

1,2-Diols react at rt with alkyl propynoates, in the presence of 4-dimethylaminopyridine, to give cyclic acetals which are quite stable to acid-catalyzed hydrolysis or methanolysis. 1,3-Diols and 1,4-diols do not form acetals with alkyl propynoates under the same conditions. Deprotection is accomplished with bases (via elimination and addition/elimination steps).

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