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(+)-(R)-2-Methyl-5-phenyl-1-pentanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

156767-44-1

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156767-44-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156767-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,6 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156767-44:
(8*1)+(7*5)+(6*6)+(5*7)+(4*6)+(3*7)+(2*4)+(1*4)=171
171 % 10 = 1
So 156767-44-1 is a valid CAS Registry Number.

156767-44-1Relevant articles and documents

"One-pot" reductive lactone alkylation provides a concise asymmetric synthesis of chiral isoprenoid targets

Cao, Jia,Perlmutter, Patrick

supporting information, p. 4327 - 4329 (2013/09/24)

An efficient method, based on nucleophilic addition to lactones followed by modified in situ Clemmensen reduction, provides a short synthetic route to chiral isoprenoid targets. The efficacy of this method has been exemplified through the synthesis of several targets including the commercial fragrance Rosaphen, the side chain of Zaragozic acid C, the cotton leaf sex pheromone, and the side chains of vitamin E.

An alternative stereoselective synthesis of (R)- and (S)-Rosaphen via asymmetric catalytic hydrogenation

Matteoli, Ugo,Beghetto, Valentina,Scrivanti, Alberto,Aversa, Manuela,Bertoldini, Matteo,Bovo, Sara

experimental part, p. 779 - 783 (2012/02/05)

We report an alternative synthesis of the two enantiomers of the floral fragrance Rosaphen. The key intermediate 2-methyl-5-phenylpentanoic acid 3 is synthesized via asymmetric hydrogenation (ee up to 99%) in the presence of an in situ prepared ruthenium

Lipase-mediated preparation of optically active isomers of Rosaphen

Kawasaki, Masashi,Toyooka, Naoki,Saka, Tomoki,Goto, Michimasa,Matsuya, Yuji,Kometani, Tadashi

experimental part, p. 135 - 142 (2010/12/20)

The optically active isomers of Rosaphen (RS)-1 were synthesized from the chiral intermediate prepared by lipase-catalyzed desymmetrization of prochiral diol. The results of an olfactory evaluation of the prepared isomers are reported.

Asymmetric alkyl-alkyl cross-couplings of unactivated secondary alkyl electrophiles: Stereoconvergent suzuki reactions of racemic acylated halohydrins

Owston, Nathan A.,Fu, Gregory C.

supporting information; experimental part, p. 11908 - 11909 (2010/11/04)

A method for asymmetric alkyl-alkyl Suzuki reactions of unactivated secondary alkyl electrophiles, specifically, cross-couplings of racemic acylated halohydrins with alkylborane reagents, has been developed. A range of protected bromohydrins, as well as a protected chlorohydrin and a homologated bromohydrin, are coupled in good ee by a catalyst derived from commercially available components.

Diastereoselective protonation of dienols: A formal approach to zaragozic acid C side chain

Comesse, Sebastien,Piva, Olivier

, p. 1061 - 1067 (2007/10/03)

The 2-methyl 5-phenylpropanal precursor of the side chain of zaragozic acid C has been prepared in 83% ee through the diastereoselective protonation of a photodienol generated in situ by irradiation of an α,β-unsaturated ester, bearing, as a chiral moiety

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