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76549-02-5

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76549-02-5 Usage

General Description

(2S,3S)-3-Hydroxy-2-methyl-3-phenylpropanoic acid is a compound with a molecular formula C10H12O3. It is a chiral molecule, meaning it has two stereoisomers, which are mirror images of each other. (2S,3S)-3-Hydroxy-2-methyl-3-phenylpropanoic acid is a derivative of phenylpropanoic acid, and it is commonly found in natural products such as plants and fungi. It is used in the pharmaceutical industry as a precursor for the synthesis of various drugs and is also used in the production of flavors and fragrances. The compound has been studied for its potential biological activities, including anti-inflammatory and anti-cancer properties.

Check Digit Verification of cas no

The CAS Registry Mumber 76549-02-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,4 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 76549-02:
(7*7)+(6*6)+(5*5)+(4*4)+(3*9)+(2*0)+(1*2)=155
155 % 10 = 5
So 76549-02-5 is a valid CAS Registry Number.

76549-02-5Relevant articles and documents

Synthesis and Enantioselective Aldol Reaction of a Chiral 2-Oxo-2-propionyl-1,3,2-oxazaphosphorinane

Gordon, Neil J.,Evans, Slayton A.

, p. 5295 - 5297 (1993)

The synthesis of cis- and trans-2-oxo-2-propionyl-1,3,2-oxazaphosphorinane (cis- and trans-7), via the condensation of (S)-N-isopropyl-4-aminobutan-2-ol (5) with methyl dichlorophosphite (CH3OPCl2), followed by the Michaelis-Arbusov coupling with propionyl chloride is described, and our preliminary research involving metal-directed diastereo- and enantioselective aldol reactions between the lithio enolate of trans-oxazaphosphorinane 7 and benzaldehyde are also discussed.

Siloxy Esters as Traceless Activators of Carboxylic Acids: Boron-Catalyzed Chemoselective Asymmetric Aldol Reaction**

Fujita, Taiki,Kanai, Motomu,Mitsunuma, Harunobu,Sameera, W. M. C.,Yamane, Mina

supporting information, p. 24598 - 24604 (2021/10/14)

The catalytic asymmetric aldol reaction is among the most useful reactions in organic synthesis. Despite the existence of many prominent reports, however, the late-stage, chemoselective, catalytic, asymmetric aldol reaction of multifunctional substrates is still difficult to achieve. Herein, we identified that in situ pre-conversion of carboxylic acids to siloxy esters facilitated the boron-catalyzed direct aldol reaction, leading to the development of carboxylic acid-selective, catalytic, asymmetric aldol reaction applicable to multifunctional substrates. Combining experimental and computational studies rationalized the reaction mechanism and led to the proposal of Si/B enediolates as the active species. The silyl ester formation facilitated both enolization and catalyst turnover by acidifying the α-proton of substrates and attenuating poisonous Lewis bases to the boron catalyst.

Enantio- and diastereoselective hetero-Diels-Alder reactions between 4-methyl-substituted Rawal's diene and aldehydes catalyzed by chiral dirhodium(II) carboxamidates: Catalytic asymmetric synthesis of (-)-cis-aerangis lactone

Watanabe, Yudai,Shimada, Naoyuki,Anada, Masahiro,Hashimoto, Shunichi

, p. 63 - 73 (2014/02/14)

The first catalytic asymmetric hetero-Diels-Alder (HDA) reaction between 3-tert-butyldimethylsilyloxy- 1-dimethylamino-1,3-pentadiene (4-methyl-substituted Rawal's diene) and aldehydes is described. With 3 mol % of dirhodium(II) tetrakis[N-benzene-fused-p

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