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2-((1R,2R,5S)-2-Isopropenyl-5-methyl-cyclohexyl)-malonic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

106431-82-7

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106431-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106431-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,4,3 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 106431-82:
(8*1)+(7*0)+(6*6)+(5*4)+(4*3)+(3*1)+(2*8)+(1*2)=97
97 % 10 = 7
So 106431-82-7 is a valid CAS Registry Number.

106431-82-7Downstream Products

106431-82-7Relevant articles and documents

Stereoselective Festphasensynthese von Cyclopentanen und Cyclohexanen durch Mehrkomponenten-Domino-Reaktion - Aufbau einer Substanzbibliothek durch kombinatorische Chemie

Tietze, Lutz F.,Steinmetz, Adrian

, p. 682 - 683 (2007/10/03)

Keywords: En-Reaktionen; Festphasensynthesen; Kaskadenreaktionen; Kombinatorische Chemie; Mehrkomponentenreaktionen

Surface-Mediated Reactions. 6. Effects of Silica Gel and Alumina on Acid-Catalyzed Reactions

Kropp, Paul J.,Breton, Gary W.,Craig, Stephen L.,Crawford, Scott D.,Durland, William F.,et al.

, p. 4146 - 4152 (2007/10/02)

Absorption of a variety of acids to chromatographic silica gel results in substantial enhancement of their catalytic activity-affording easily prepared, environmentally benign heterogeneous acids that are highly effective in mediating a number of processes.This was shown for the isomerization of allene 1 and dimerization of the corresponding 1,3-diene 2; cyclization of (R)-citronellal (5), the related diester 10, and 1,5-cyclooctadiene (15); Rupe rearrangement of alkynol 18; and Friedel-Crafts cyclodehydration of alcohols 21.By contrast, commercially available Nafion-H was significantly less effective as a heterogeneous acid catalyst.Chromatographic alumina displayed enigmatic behavior, showing enhanced acidity on the adsorption of HCl but little or no acidity on the adsorption of a variety of other types of acid.The results are discussed in terms of the surface structures of silica gel and alumina.

The Acid-Catalyzed Cyclization of Unsaturated Carbonyl Compounds Utilizing Silica Gel at High Pressure

Dauben, William G.,Hendricks, Robert T.

, p. 603 - 606 (2007/10/02)

The ene-like cyclizations of a series of unsaturated carbonyl compounds have been studied using silica gel at high pressure (15 kbar) as a new catalytic system.This new method is general for forming 5- and 6-membered ring carbocycles.The mildness of this

Asymmetric Induction in Intramolecular Ene Reactions of Chiral 1,7-Dienes: A Diastereo- and Enantioselective Synthesis of Substituted Cyclohexanes

Tietze, Lutz F.,Beifuss, Uwe,Ruther, Michael

, p. 3120 - 3129 (2007/10/02)

The asymmetric induction in intramolecular thermal and Lewis acid catalyzed ene reactions of chiral 1,7-dienes 9 activated by two electron-withdrawing groups on the enophile is studied.The cycloadducts resulting from intramolecular ene, sequential ene, an

New and Efficient Lewis Acid Catalysts in Intramolecular Ene Reactions

Tietze, Lutz F.,Beifuss, Uwe

, p. 359 - 362 (2007/10/02)

The thermal or Lewis acid catalyzed intramolecular ene reaction of the Knoevenagel adduct 3 from citronellal and dimethyl malonate affords the two diastereoisomeric dimethyl (5-methyl-2-trans-isopropenylcyclohexyl)malonates 4a and 4b.Anhydrous iron(III) c

ASYMMETRIC INDUCTION IN INTRAMOLECULAR ENE REACTIONS OF 1,7-DIENES

Tietze, Lutz F.,Beifuss, Uwe

, p. 1767 - 1770 (2007/10/02)

Chiral, double-activated enophiles in 1,7-dienes 6a-d undergo thermal and Lewis-acid catalyzed intramolecular ene reactions yielding trans-cyclohexanes 7a-d and 8a-d.The extent of diastereoselectivity depends on the reaction temperature.The 1,7-dienes 6 a

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