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The chemical compound "(1R,2S)-1-((4S,5S)-5-Benzyloxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-2-bromo-1-hydroxy-4-methyl-4-trimethylsilanyloxy-pentan-3-one" is a complex organic molecule with a unique structure. It features a chiral center, indicated by the (1R,2S) configuration, and contains a 1,3-dioxolan ring with a benzyloxymethyl group attached to the 5-position. The molecule also includes a bromo group at the 2-position, a hydroxy group, and a methyl group at the 4-position. Additionally, it has a trimethylsilanyloxy group, which is a protecting group often used in organic synthesis to shield functional groups from unwanted reactions. (1R,2S)-1-((4S,5S)-5-Benzyloxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-2-bromo-1-hydroxy-4-methyl-4-trimethylsilanyloxy-pentan-3-one is likely used in advanced chemical synthesis, particularly in the preparation of complex molecules where stereochemistry and protecting groups play a crucial role.

99773-59-8

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99773-59-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99773-59-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,7 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99773-59:
(7*9)+(6*9)+(5*7)+(4*7)+(3*3)+(2*5)+(1*9)=208
208 % 10 = 8
So 99773-59-8 is a valid CAS Registry Number.

99773-59-8Relevant academic research and scientific papers

STEREOSELECTIVE SYNTHESIS OF CIS-α,β-EPOXYESTERS AND ALDEHYDES VIA DIVALENT TIN ENOLATE. A SYNTHESIS OF 2-AMINO-2-DEOXY-D-ARABINITOL

Mukaiyama, Teruaki,Yura, Takeshi,Iwasawa, Nobuharu

, p. 809 - 812 (2007/10/02)

A convenient method for the stereoselective synthesis of cis-α,β-epoxyesters and aldehydes is established according to the Sn(OTf)2 mediated cross aldol reaction between α-bromo-α'-silyloxyketone and aldehyde.The reaction is applied to the stereoselective synthesis of 2-amino-2-deoxy-D-arabinitol.

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