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53163-41-0

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53163-41-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53163-41-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,6 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53163-41:
(7*5)+(6*3)+(5*1)+(4*6)+(3*3)+(2*4)+(1*1)=100
100 % 10 = 0
So 53163-41-0 is a valid CAS Registry Number.

53163-41-0Upstream product

53163-41-0Relevant articles and documents

Superacidic low-temperature cyclization of terpenols and their acetates

Vlad, P. F.,Ungur, N. D.,Nguen Van Hung,Perutsky, V. B.

, p. 2391 - 2403 (2007/10/03)

The superacidic low-temperature cyclization of terpenols and their acetates be fluorosulfonic acid represents a highly efficient chemo- and structurally selective and stereospecific process.Homoallylic alcohols (α-isomers of cycloterpenols) are the products of cyclization of terpenols; the configuration of the hydroxymethyl group in the products is predetermined by the configuration of the allylic double bond in aliphatic or partially cyclized precursors.The cyclization of terpenyl acetates yields monoacetates of fully cyclized diastereomeric primary-tertiary γ-diols.Their stereochemistry also depends on the configuration of the allylic double bond in the starting substrates. - Key words: terpenols; terpenyl acetates; cyclization, fluorosulfonic acid, drimanes, isoagathanes, scarlanes.

CYCLIZATION OF ACYCLIC ISOPRENOIDS V REARRANGEMENT OF STEREOISOMERIC FARNESOLS AND NEROLIDOLS IN SUPERACIDS

Polovinka, M. P.,Unzur, N. D.,Perutskii, V. B.,Korchagina, D. V.,Gatilov, Yu. V.,et al.

, p. 1871 - 1885 (2007/10/02)

The cyclization of 2,3-trans- and -cis-farnesols in superacids is structurally selective and stereospecific, giving drimenol and epidrimenol respectively.Depending on the reaction conditions, trans- and cis-nerolidols undergo carbo- or hetero-cyclization, to give in the first case tricyclic bridged hydrocarbons with a novel skeleton, and in the second case a 2-oxabicyclodecane.

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