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1-Heptanone, 1,3-diphenyl- is an organic compound with the chemical formula C17H18O. It is a colorless liquid with a molecular weight of 238.32 g/mol. This ketone derivative features a seven-carbon chain with a carbonyl group (C=O) at the first position and two phenyl groups attached at the first and third carbon atoms. It is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its unique structure, 1-heptanone, 1,3-diphenyl- exhibits interesting chemical properties, such as reactivity towards nucleophiles and electrophiles, making it a valuable building block in organic synthesis.

1454-57-5

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1454-57-5 Usage

Physical state

Colorless liquid

Odor

Sweet and floral

Usage in industry

Flavor and fragrance ingredient in food and perfume industry

Other applications

Solvent in chemical reactions, reagent in organic synthesis

Potential pharmaceutical use

Antimicrobial and antioxidant properties

Check Digit Verification of cas no

The CAS Registry Mumber 1454-57-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,5 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1454-57:
(6*1)+(5*4)+(4*5)+(3*4)+(2*5)+(1*7)=75
75 % 10 = 5
So 1454-57-5 is a valid CAS Registry Number.

1454-57-5Relevant academic research and scientific papers

Hydroxyalkylation of Lithiated 3-[(S)-2(Methoxymethy)pyrrolidino]- 1,3-diphenylpropene - an Asymmetric Homoaldol Reaction - an

Ahlbrecht, Hubertus,Kramer, Andreas

, p. 1161 - 1168 (1996)

The hydroxyalkylation of lithiated 3-[(S)-2-(methoxymethyl)pyrrolidino]-l,3-diphenylpropene (2) with aldehydes is completely regioselective giving homoaldol adducts in good yields. The simple diastereoselectivity is low with typical ratios ranging between

Heterogeneous catalytic 1,4-addition of arylmagnesium compounds to chalcones

Juhász, Kinga,Hell, Zoltán

supporting information, p. 3136 - 3138 (2018/07/13)

Copper(II) on a 4 ? molecular sieve support catalyses the chemoselective addition of alkyl- and arylmagnesium halides to chalcones. Only the 1,4-addition products were obtained in high yields.

Enantioselective conjugate addition of diethylzinc to enones with chiral copper-QUIPHOS catalyst influence of the addition of water on the enantioselectivity

Delapierre, Guillaume,Constantieux, Thierry,Brunel, Jean Michel,Buono, Gerard

, p. 2507 - 2511 (2007/10/03)

The use of a new chiral copper catalyst involving QUIPHOS as ligand in the 1,4-addition of Et2Zn to enones is reported. The dramatic beneficial effect of addition of water or Zn(OH)2 to this system has been investigated, and led to a

Tetraorganogallate complexes in organic chemistry: Michael addition to α, β-unsaturated compounds

Han, Ying,Huang, Yao-Zeng,Fang, Lei,Tao, Wen-Tian

, p. 867 - 876 (2007/10/03)

Tetraorganogallate complexes, prepared in situ by addition of an organolithium reagent to a triorganogallium, reacted smoothly with α,β- unsaturated compounds to give Michael addition products in high yields, and mixed gallates display very high chemoselectivity in the transfer of one of their ligands.

A chiral (alkoxy)methyl-substituted silicon group as an auxiliary for the stereoselective cuprate addition to α,β-unsaturated ketones: Synthesis of (-)-(R)-phenyl 2-phenylpropyl ketone

Bratovanov, Svetoslav,Bienz, Stefan

, p. 1587 - 1603 (2007/10/03)

The [(benzyloxy)methyl](tert-butyl)methylsilyl group was used as the chiral auxiliary to effect highly diastereoselective conjugate additions of organocuprates to enones. Thus, reaction of several R2CuLi with α-silylated α,β-unsaturated ketones

71. Enantioselective Copper-Catalyzed 1,4-Addition of Grignard Reagents to α,β-Unsaturated Carbonyl Compounds

Spescha, Maurus,Rihs, Grety

, p. 1219 - 1230 (2007/10/02)

The enantioselective copper-catalyzed 1,4-addition of Grignard reagents to α,β-unsaturated carbonyl compounds was studied with the following Cu(I) compounds as catalyst precursor and 1,2:5,6-di-O-isopropylidene-3-thio-α-D-glucofuranose (Hsiig) as chiral l

Mechanism of the Grignard Adddition Reaction. XVI. Homolytic and Concerted Mechanisms in the Reaction of α,β-Unsatureted Carbonyl Compounds with Grignard Reagents

Holm, Torkil

, p. 925 - 929 (2007/10/02)

Kinetic measurements have shown that the addition of Grignard reagents to α,β-unsaturated carbonyl compounds takes place either by a concerted mechanism or by a homolytic mechanism.Phenylmagnesium bromide, which is incapable of homolysis, reacts rapidly in a 1,4-fashion if an s-cis conformation exists between the C=C and the C=O bonds, but only 1,2-addition takes place if the conformation is s-trans.tert-Butylmagnesium bromide is unsuited to the concerted reaction, but 1,4-addition takes place via homolysis.Primary and secondary Grignard reagents, like phenyl, react rapidly in a concerted manner with s-cis substrates, but unlike phenyl, these Grignard reagents may, with s-trans substrates, produce some 1,4-adduct via the homolytic mechanism.

Direct Michael-Type Addition of Si-Groups to α,β-unsaturated β-Aryl-Substituted Enones with R3SiCl/Bu2Cu(CN)Li2

Amberg, Willi,Seebach, Dieter

, p. 2439 - 2444 (2007/10/02)

(E)-5-Benzylidene-2-tert-butyl-6-methyl-1,3-dioxan-4-one (1) undergoes conjugative silylation (Me3Si, Et3Si, tBuMe2Si, Me2PhSi, products 2-5) with the reagent specified in the title.The reaction is highly diastereoselective, with formal anti addition of R

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