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(3R,5R)-5-Benzoyl-2-methoxy-5-methyl-isoxazolidine-3-carboxylic acid ethyl ester is a complex organic compound with the molecular formula C16H19NO5. It is a chiral molecule, meaning it has a non-superimposable mirror image, and it is characterized by the presence of a benzoyl group, a methoxy group, and a methyl group. (3R,5R)-5-Benzoyl-2-methoxy-5-methyl-isoxazolidine-3-carboxylic acid ethyl ester is a derivative of isoxazolidine, a heterocyclic ring system containing oxygen and nitrogen atoms. The ethyl ester group indicates that it is an ester of the corresponding carboxylic acid. Such compounds are often found in pharmaceuticals and agrochemicals due to their potential biological activities. They can be used as intermediates in the synthesis of various drugs or as chiral auxiliaries in asymmetric synthesis. The specific stereochemistry at the 3 and 5 positions (3R,5R) is crucial for its potential applications, as it can influence the compound's reactivity and interaction with biological targets.

83077-22-9

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83077-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83077-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,7 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83077-22:
(7*8)+(6*3)+(5*0)+(4*7)+(3*7)+(2*2)+(1*2)=129
129 % 10 = 9
So 83077-22-9 is a valid CAS Registry Number.

83077-22-9Downstream Products

83077-22-9Relevant academic research and scientific papers

Determination of Configuration and Conformation of Isoxazolidines by Nuclear Overhauser Effect Difference Spectroscopy

DeShong, Philip,Dicken, C. Michael,Staib, Ronald R.,Freyer, Alan J.,Weinreb, Steven M.

, p. 4397 - 4403 (1982)

The configurations of isoxazolidines 2, 3, 5, 7, and 10-12 have been assigned by analysis of NMR coupling constants and by nuclear Overhauser effect difference spectroscopy (NOEDS).The preferred solution conformations of isoxazolidines 3 and 5 were determined to be as in 3A/5A.It is proposed that these conformations are adopted to take advantage of the anomeric effect and to alleviate the unfavorable stereoelectronic lone pair-lone pair interaction in the N-O portion of the molecule (gauche effect).

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