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812639-15-9

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812639-15-9 Usage

General Description

1(2H)-Naphthalenone,3,4-dihydro-2-methyl-2-(2-propenyl)-,(2S)-(9CI) is a chemical compound with the molecular formula C16H16O. It is also known by the name "S(-)-β-Citronellol naphthopyran." This chemical is a derivative of β-Citronellol and is commonly used in the fragrance and flavoring industries. It has a floral and citrus-like aroma, making it a popular ingredient in perfumes, soaps, lotions, and other scented products. Additionally, it is utilized as a food additive to impart a pleasant scent and flavor in various food and beverage products. While it is generally recognized as safe for use in these applications, it is important to handle this chemical with care and to follow proper safety protocols when working with it.

Check Digit Verification of cas no

The CAS Registry Mumber 812639-15-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,2,6,3 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 812639-15:
(8*8)+(7*1)+(6*2)+(5*6)+(4*3)+(3*9)+(2*1)+(1*5)=159
159 % 10 = 9
So 812639-15-9 is a valid CAS Registry Number.

812639-15-9Downstream Products

812639-15-9Relevant articles and documents

Palladium-catalyzed asymmetric alkylation of ketone enolates [7]

Trost, Barry M.,Schroeder, Gretchen M.

, p. 6759 - 6760 (1999)

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Phosphination of Phenol Derivatives and Applications to Divergent Synthesis of Phosphine Ligands

Li, Chenchen,Zhang, Kezhuo,Zhang, Minghao,Zhang, Wu,Zhao, Wanxiang

supporting information, p. 8766 - 8771 (2021/11/20)

We describe a general and efficient protocol for the synthesis of organophosphine compounds from phenols and phosphines (R2PH) via a metal-free C-O bond cleavage and C-P bond formation process. This approach exhibits broad substrate scope and excellent functional group tolerance. The synthetic utilities of this protocol were demonstrated by the synthesis of chiral ligands via the various transformations of cyano groups and their applications in asymmetric catalysis.

Enol Acetates: Versatile Substrates for the Enantioselective Intermolecular Tsuji Allylation

Liu, Ji,Mishra, Sourabh,Aponick, Aaron

supporting information, p. 16152 - 16158 (2018/12/13)

A highly versatile enantioselective intermolecular Tsuji allylation that generates alpha-quaternary stereocenters is reported. The methodology utilizes a prochiral enol acetate as a substrate, which is the last class of the original Tsuji substrates to be

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