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(S)-4,5-ISOPROPYLIDENE-2-PENTANOIC ACID, with the molecular formula C8H14O2, is a synthetic intermediate that serves as a crucial component in the production of pharmaceuticals and agrochemicals. As an isopropylidene-protected form of 2-pentanoic acid, it is widely utilized in organic synthesis for constructing more complex molecules. This white crystalline solid is typically handled and stored under controlled conditions to maintain its stability and purity. In medicinal chemistry, (S)-4,5-ISOPROPYLIDENE-2-PENTANOIC ACID is frequently employed as a chiral building block for the synthesis of specific drug molecules, highlighting its significance in various industries.

64520-57-6

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64520-57-6 Usage

Uses

Used in Pharmaceutical Industry:
(S)-4,5-ISOPROPYLIDENE-2-PENTANOIC ACID is used as a chiral building block for the development of certain drug molecules. Its unique structure and properties allow for the creation of complex pharmaceutical compounds with specific therapeutic effects.
Used in Agrochemical Industry:
(S)-4,5-ISOPROPYLIDENE-2-PENTANOIC ACID is used as a synthetic intermediate in the production of agrochemicals. Its role in creating more complex molecules contributes to the development of effective agricultural products, such as pesticides and fertilizers, that enhance crop yield and protect against pests.
Used in Organic Synthesis:
(S)-4,5-ISOPROPYLIDENE-2-PENTANOIC ACID is used as a building block in organic synthesis for creating a wide range of complex molecules. Its versatility in forming various chemical structures makes it a valuable compound in the synthesis of different organic compounds for various applications.

Check Digit Verification of cas no

The CAS Registry Mumber 64520-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,5,2 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 64520-57:
(7*6)+(6*4)+(5*5)+(4*2)+(3*0)+(2*5)+(1*7)=116
116 % 10 = 6
So 64520-57-6 is a valid CAS Registry Number.

64520-57-6Downstream Products

64520-57-6Relevant academic research and scientific papers

Stereoselective synthesis of a new trihydroxyindolizidine lactone

Pisaneschi, Federica,Piacenti, Michela,Cordero, Franca M.,Brandi, Alberto

, p. 292 - 296 (2006)

A general approach to 1,6,7-trihydroxyindolizidin-8-carboxylates is illustrated through the synthesis of a γ-lactone in an enantiopure form in seven steps starting from (3S)-3-t-butyloxy-1-pyrroline N-oxide and the acetonide of (2E,4S)-4,5-dihydroxy-2-pentenoic acid derived from (S)-malic acid and mannitol, respectively. The process was completely stereoselective and allowed the total control of the relative and absolute configuration of the five contiguous stereocentres of the product.

Palladium-catalyzed tandem heck-lactonization from o-iodophenols and enoates: Synthesis of coumarins and the study of the mechanism by electrospray ionization mass spectrometry

Fernandes, Talita De A.,Gontijo Vaz, Boniek,Eberlin, Marcos N.,Da Silva, Alcides J. M.,Costa, Paulo R. R.

scheme or table, p. 7085 - 7091 (2010/12/25)

The tandem Heck-lactonization reaction between enoates Z-1a,b, E-1a, E-2a-d, Z-2e, 2f, and o-iodophenols (4a-f) was studied in the presence of substoichiometric amounts of Pd(OAc)2 or PdCl2, under experimental conditions favoring the cationic mechanism (conditions A, B, and C), leading to coumarins 5a-f and 6a-e. Moderate to excellent yields were obtained under aqueous conditions (conditions A and B). Using electrospray ionization for transferring ions directly from solution to the gas phase, and mass spectrometry for structural assignments, key cationic palladium intermediates have been successfully intercepted and structurally characterized for the first time for this type of reaction.

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