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4,4'-Isopropylidenediphenyl dipropiolate, also known as bis(4-oxopropyl)benzene or dipropionylbenzene, is an organic compound with the chemical formula C17H16O4. It is a white crystalline solid that is formed by the reaction of 4,4'-isopropylidenediphenol with propionyl chloride. 4,4'-isopropylidenediphenyl dipropiolate is characterized by its symmetrical structure, featuring two propionyl groups (-COCH2CH3) attached to a central benzene ring with a methylene bridge (-CH2-) connecting the two phenyl groups. It is used as an intermediate in the synthesis of various polymers and resins, such as polyarylates and polycarbonates, due to its ability to undergo transesterification reactions. The compound is also known for its potential applications in the production of high-performance materials and as a precursor in the pharmaceutical industry.

745-13-1

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745-13-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 745-13-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 745-13:
(5*7)+(4*4)+(3*5)+(2*1)+(1*3)=71
71 % 10 = 1
So 745-13-1 is a valid CAS Registry Number.

745-13-1Downstream Products

745-13-1Relevant academic research and scientific papers

Polymersomes with singlet oxygen-labile poly(β-aminoacrylate) membrane for NIR light-controlled combined chemo-phototherapy

Kim, Jinhwan,Kim, Won Jong,Lee, Junseok,Lim, Junha,Park, Dongsik,Park, Hyeongmok,Saravanakumar, Gurusamy

, p. 627 - 640 (2020)

Engineering the membrane of the polymersomes with biologically relevant stimuli-responsive units enables spatial and temporal controlled drug release for effective therapy. Herein, we introduce a new-type of polymersomes featuring reactive oxygen species

Metal-free alkyne polyhydrothiolation: synthesis of functional poly(vinylenesulfide)s with high stereoregularity by regioselective thioclick polymerization

Jim, Cathy K.W.,Qin, Anjun,Lam, Jacky W. Y.,Mahtab, Faisal,Yu, Yong,Tang, Ben Zhong

body text, p. 1319 - 1328 (2011/11/07)

A new synthetic route to sulfur-rich polymers has been developed. The alkyne polyhydrothiolations of 4,4'-thiodibenzenethiol (1) and arylene dipropiolates (2-5) mediated by amines proceed at room temperature in a regioselective fashion, furnishing sole an

Synthesis of Bis(propynoyloxy) Aromatics

Wehler, Jon R.,Feld, William A.

, p. 142 - 143 (2007/10/02)

Ten bis(propynoyloxy) aromatics were prepared, in yields ranging from 28percent to 68percent, from propynoyl chloride and the disodium salt of the corresponding dihydroxy aromatic.The structures of these ethynyl compounds were confirmed by IR, (1)H NMR, and DSC.

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