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211861-00-6

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211861-00-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211861-00-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,8,6 and 1 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 211861-00:
(8*2)+(7*1)+(6*1)+(5*8)+(4*6)+(3*1)+(2*0)+(1*0)=96
96 % 10 = 6
So 211861-00-6 is a valid CAS Registry Number.

211861-00-6Downstream Products

211861-00-6Relevant articles and documents

Highly enantioselective aldol reaction with 2-trimethylsilyloxyfuran: The first catalytic asymmetric autoinductive aldol reaction

Szlosek, Magali,Figadere, Bruno

, p. X1799-1801 (2000)

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Acetogenins of annonaceae. Part 86: Synthesis of a highly functionalized precursor of (-)-4-deoxygigantecin, an annonaceous acetogenin

Szlosek, Magali,Peyrat, Jean-Francois,Chaboche, Christophe,Franck, Xavier,Hocquemiller, Reynald,Figadere, Bruno

, p. 337 - 342 (2007/10/03)

A highly functionalized precursor of (-)-4-deoxygigantecin possessing six stereogenic centers has been prepared in 14 steps from tridecanal. The key steps are (i) enantioselective aldolization, (ii) diastereoselective C- glycosylation and (iii) diastereoselective aldolization reactions, all of them using 2-trimethylsilyloxyfuran as nucleophile. This strategy would allow us to prepare squamostatin D as well, another acetogenin of Annonaceae possessing two nonadjacent tetrahydrofuran rings and a closely related tetrahydrofuran pattern.

Highly Enantioselective 1,2-Addition of 2-[(Trimethylsilyl)oxy]furan to Aldehydes: Application to Muricatacin Synthesis

Szlosek, Magali,Franck, Xavier,Figadere, Bruno,Cave, Andre

, p. 5169 - 5172 (2007/10/03)

TMSOF 2-[(trimethylsilyl)oxy]furan has been used in an enantioselective aldol reaction for the first time. Indeed, addition of TMSOF to achiral aldehydes, in the presence (R)-1,1-bi-2-naphthol (Binol), gave the corresponding butenolides with moderate diastereomeric ratios (dr = 60%) and ee's between 60 and 90%. Application of this reaction to the total synthesis of annonaceous muricatacin in only two steps (in regards to the numerous multistep syntheses published so far) illustrated the efficiency of this strategy.

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