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1,1'-(1,2-phenylene)bis(3-phenyl-2-propyn-1-one) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

27258-80-6

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27258-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27258-80-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,5 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 27258-80:
(7*2)+(6*7)+(5*2)+(4*5)+(3*8)+(2*8)+(1*0)=126
126 % 10 = 6
So 27258-80-6 is a valid CAS Registry Number.

27258-80-6Relevant academic research and scientific papers

1,3-Dialkynyl- and 1,3-dialkenylisobenzofurans: New π-extended congeners prepared by double nucleophilic addition of alkynyllithiums to o-phthalaldehyde

Kudo, Ryoji,Kitamura, Kei,Hamura, Toshiyuki

, p. 25 - 28 (2017)

Efficient synthetic route to 1,3-dialkynyl- and 1,3-dialkenylisobenzofurans, new π-extended congeners of isobenzofurans, was reported. A three-step protocol including double nucleophilic additions of alkynyllithiums to o-phthalaldehyde and selective oxida

Recursive Anion-Triggered Tandem Reactions of ortho-Bis-ynones: Tunable Synthesis of 1-Indenones and Cyclopenta[ a]inden-8(2 H)-ones

Gunnam, Anilkumar,Balasubramani, Alagesan,Mehta, Goverdhan

, p. 4376 - 4384 (2022/03/15)

Recursive anion-mediated activation of o-bis-ynones sets off a Michael addition-aldol reaction-dehydrative rearrangement cascade, leading to the one-pot synthesis of 1-indenones via orthogonal interplay between the two ortho-ynone moieties. Repeating the recursive anion engagement with the 1-indenones unfolded access to a functionally embellished cyclopenta[a]inden-8(2H)-one core and its spiroannulated analogues either directly or stepwise through tandem 1,6-Michael-type addition-6πelectrocyclization and an in situ oxidation sequence.

Catalytic [2 + 2 + 2] and thermal [4 + 2] cycloaddition of 1,2-bis(arylpropiolyl)benzenes

Tanaka, Ken,Suda, Takeshi,Noguchi, Keiichi,Hirano, Masao

, p. 2243 - 2246 (2007/10/03)

We have determined that a cationic rhodium(I)/Segphos complex catalyzes an enantio- and diastereoselective intermolecular [2 + 2 + 2] cycloaddition of 1,2-bis(arylpropiolyl)benzenes with various monoalkynes at room temperature to give axially chiral 1,4-t

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