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1,2,5-Triacetoxy-3,4-dimethyl-benzene is an organic compound with the molecular formula C13H14O5. It is a derivative of benzene, featuring a benzene ring with two methyl groups attached at the 3rd and 4th carbon positions. The compound has three acetoxy groups (-OAc) attached to the 1st, 2nd, and 5th carbon positions, which are ester functional groups derived from acetic acid. This chemical is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals, as well as its use as an intermediate in organic chemistry. Due to its reactivity and functional groups, it can undergo various chemical reactions, such as hydrolysis, esterification, and nucleophilic substitution, making it a versatile building block in the field of organic synthesis.

5091-02-1

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5091-02-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5091-02-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,9 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5091-02:
(6*5)+(5*0)+(4*9)+(3*1)+(2*0)+(1*2)=71
71 % 10 = 1
So 5091-02-1 is a valid CAS Registry Number.

5091-02-1Relevant academic research and scientific papers

Bi(OTf)3-catalyzed acylation of p-quinones: A facile synthesis of acylated hydroquinones

Yadav,Reddy, B. V. Subba,Swamy,Rao, K. Raghavender

, p. 6037 - 6039 (2007/10/03)

p-Quinones undergo smooth acylation with acetic anhydride in the presence of 2mol% of bismuth triflate under mild conditions to afford the corresponding 1,4-diacylated-2-acetoxylated hydroquinones in excellent yields with high selectivity.

Diels-Alder Approaches to Model Compounds Related to Fredericamycin A

Evans, Jonathan C.,Klix, Russell C.,Bach, Robert D.

, p. 5519 - 5527 (2007/10/02)

A series of model compounds related to the antitumor and antibiotic compound fredericamycin A has been prepared.Spiro-2,5-dione (2) has been prepared and established as a novel spiro dienophile in the Diels-Alder reaction with 1,3-butadiene, Danishefsky's diene, a triacetoxy-substituted o-quinodimethane, and two isobenzofuran intermediates.Thus, the cycloaddition of 3-cyano-4,5,7-trimethoxy-1(3H)-isobenzofuranone (35) and 2 afforded 4,9-dihydroxy-5,6,8-trimethoxyspiroindene-2,1'-indan>-1,3-dione (38) in 62percent yield.This methodology provides a viable synthetic route to the quinone portion of fredericamycin A that contains the seven requisite oxygens.

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