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4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-methoxyphenyl)methyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

84289-40-7

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84289-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84289-40-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,8 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84289-40:
(7*8)+(6*4)+(5*2)+(4*8)+(3*9)+(2*4)+(1*0)=157
157 % 10 = 7
So 84289-40-7 is a valid CAS Registry Number.

84289-40-7Relevant academic research and scientific papers

Asymmetric Transfer Hydrogenation of Arylidene-Substituted Chromanones and Tetralones Catalyzed by Noyori-Ikariya Ru(II) Complexes: One-Pot Reduction of C═C and C═O bonds

Caleffi, Guilherme S.,Brum, Juliana De O. C.,Costa, Angela T.,Domingos, Jorge L. O.,Costa, Paulo R. R.

, p. 4849 - 4858 (2021/04/06)

3-Arylidenechroman-4-ones and 2-arylidene-1-tetralones are hydrogenated to cis-benzylic alcohols in dr's and er's up to 99:1 via a C═C and C═O one-pot reduction in the presence of 2-5 mol % Noyori-Ikariya-type RuII chiral complexes and HCO2Na as a hydroge

A Lewis Base Catalysis Approach for the Photoredox Activation of Boronic Acids and Esters

Lima, Fabio,Sharma, Upendra K.,Grunenberg, Lars,Saha, Debasmita,Johannsen, Sandra,Sedelmeier, Joerg,Van der Eycken, Erik V.,Ley, Steven V.

supporting information, p. 15136 - 15140 (2017/11/20)

We report herein the use of a dual catalytic system comprising a Lewis base catalyst such as quinuclidin-3-ol or 4-dimethylaminopyridine and a photoredox catalyst to generate carbon radicals from either boronic acids or esters. This system enabled a wide range of alkyl boronic esters and aryl or alkyl boronic acids to react with electron-deficient olefins via radical addition to efficiently form C?C coupled products in a redox-neutral fashion. The Lewis base catalyst was shown to form a redox-active complex with either the boronic esters or the trimeric form of the boronic acids (boroxines) in solution.

Synthesis, anticancer, structural, and computational docking studies of 3-benzylchroman-4-one derivatives

Simon, Lalitha,Abdul Salam, Abdul Ajees,Madan Kumar,Shilpa,Srinivasan,Byrappa

, p. 5284 - 5290 (2017/10/30)

A series of 3-Benzylchroman-4-ones were synthesized and screened for anticancer activity by MTT assay. The compounds were evaluated against two cancerous cell lines BT549 (human breast carcinoma), HeLa (human cervical carcinoma), and one noncancerous cell

Regioselective reduction of the homoisoflavone system with dialkylboranes in the presence of palladium catalysts

Hoshino, Yukio,Tanaka, Hiroto,Takeno, Noboru

, p. 2923 - 2928 (2007/10/03)

(E)-3-Benzylidene-4-chromanones were regioselectively reduced to 3- benzyl-4-chromanones through the 1,4-addition of dialkylboranes, especially 9-borabicyclo[3.3.1]nonane, in excellent yields. The reaction was efficiently promoted by some palladium cataly

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