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4071-74-3

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4071-74-3 Usage

General Description

Cyclohexanone, 2,6-dimethyl-2-(3-oxobutyl)- is a chemical compound with the molecular formula C14H24O2. It is a cyclic ketone with a six-membered ring structure and two methyl groups at the 2 and 6 positions, as well as a 3-oxobutyl substituent. This chemical is commonly used as a solvent and intermediate in the production of various products, including nylon and pharmaceuticals. It may also be used as a reagent in organic synthesis and as a flavoring agent in the food industry. Its unique structure and properties make it a versatile and valuable compound in various industrial and commercial applications.

Check Digit Verification of cas no

The CAS Registry Mumber 4071-74-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,7 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4071-74:
(6*4)+(5*0)+(4*7)+(3*1)+(2*7)+(1*4)=73
73 % 10 = 3
So 4071-74-3 is a valid CAS Registry Number.

4071-74-3Relevant articles and documents

Lipase-catalyzed Asymmetric Synthesis of Enantiomerically Pure (2S,4aS,8S)-4a,8-Dimethyl-2,3,4,4a,5,6,7,8-octahydro-2-naphthalenol

Tanaka, Akira,Tokuyama, Takahito,Saito, Akiko,Oritani, Takayuki

, p. 2435 - 2437 (2007/10/03)

Enantiomerically pure (2S,4aS,8S)-(+)-4a,8-dimethyl-2,3,4,4a,5,6,7,8-octahydro-2-naphthalenol (3), a key intermediate in the synthesis of natural geosmin (1), was prepared by enzymatic kinetic resolution. When racemic 3 was submitted to lipase (PS-30)-cataIyzed asymmetric acetylation, employing vinyl acetate as the acyl donor, requisite product (+)-3 with a high enantiomeric excess was attained as the remaining alcohol. Recrystallization resulted in an enantiomerically pure sample. - Keywords: lipase; kinetic resolution; asymmetric acetylation; geosmin; musty odour component.

Organotin Triflate as Practical Catalyst for Michael Addition of Enol Silyl Ethers

Sato, Tsuneo,Wakahara, Yoshiyuki,Otera, Junzo,Nozaki, Hitosi

, p. 9773 - 9782 (2007/10/02)

Dibutyltin bis(triflate) is a mild Lewis acid which catalyzes clean Michael addition of enol silyl ethers.The new catalyst allows to employ various labile acceptors such as methyl vinyl ketone and 2-cyclopentenone which do not undergo smooth reaction with

8,16- And 8,18-methanobacteriorhodopsin. Synthesis and spectroscopy of 8,16- and 8,18-methanoretinal and their interaction with bacterioopsin

Steen, R. van der,Biesheuvel, P. L.,Erkelens, C.,Mathies, R. A.,Lugtenburg, J.

, p. 83 - 93 (2007/10/02)

8,16- And 8,18-methanoretinal with a locked 6-s-trans and a 6-s-cis conformation have been synthesized and characterized.Their 9-Z and 13-Z isomers could also be prepared, in contrast to the 11-Z. 8,16-Methanoretinal easily binds with bacterioopsin (bO) to form a bacteriorhodopsin analogue which closely resembles natural bacteriorhodopsin (bR) (λmax, light-dark adaptation and proton pump action).The interaction of 8,18-methanoretinal with bO is complex.These findings give additional support to the fact that in bR the chromophore occurs in the planar 6-s-trans conformation.Approximately 1200 cm-1 of the opsin shift in bR (5100 cm-1) arises because the chromophore changes upon binding to the protein from a 40 deg twisted 6-s-cis to a planar 6-s-trans conformation.Both 8,16- and 8,18-methano bR have a ca. 3900 cm-1 opsin shift, since the C6-C7 conformation does not allow protein-induced changes.This is consistent with the idea that the opsin shift is mainly due to the perturbation of the Schiff base region.

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