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2-Cyclohexen-1-one, 4-(4-methoxyphenyl)-4-methyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99432-86-7

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99432-86-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99432-86-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,4,3 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99432-86:
(7*9)+(6*9)+(5*4)+(4*3)+(3*2)+(2*8)+(1*6)=177
177 % 10 = 7
So 99432-86-7 is a valid CAS Registry Number.

99432-86-7Relevant academic research and scientific papers

Nickel-Catalyzed Desymmetric Hydrogenation of Cyclohexadienones: An Efficient Approach to All-Carbon Quaternary Stereocenters

You, Cai,Li, Xiuxiu,Gong, Quan,Wen, Jialin,Zhang, Xumu

supporting information, p. 14560 - 14564 (2019/10/11)

Nickel-catalyzed desymmetric hydrogenation has been achieved. With the Ni(OTf)2/(S,S)-Ph-BPE system, a series of ?,?-disubstituted cyclohexadienones were transformed to the corresponding cyclohexenones with a chiral all-carbon quaternary center at the γposition in high yields (92-98%) and excellent enantioselectivities (92%-99% ee). This catalytic system can also tolerate the desymmetric reaction of spirocarbocyclic cyclohexadienones to produce the corresponding cyclohexenones bearing a chiral spiro quaternary carbon with high yields (94%-98%) and ee values (96%-99% ee). Furthermore, this methodology provides an efficient and concise synthetic route to the intermediate of natural products cannabispirenones A and B.

Asymmetric Synthesis of Remote Quaternary Centers by Copper-Catalyzed Desymmetrization: An Enantioselective Total Synthesis of (+)-Mesembrine

Bokka, Apparao,Mao, James X.,Hartung, John,Martinez, Steven R.,Simanis, Justin A.,Nam, Kwangho,Jeon, Junha,Shen, Xiaoqiang

supporting information, p. 5158 - 5162 (2018/09/13)

Catalytic asymmetric syntheses of remote quaternary stereocenters have been developed by copper-catalyzed 1,4-hydrosilylation of ?,?-disubstituted cyclohexadienones. A variety of cyclohexenones have been synthesized in good yield and excellent enantioselectivity. Versatile 2-silyloxy diene intermediates bearing ?,?-disubstituted all carbon stereogenic centers can be isolated from the mild reaction conditions. The utility of this strategy is exemplified in a catalytic asymmetric total synthesis of (+)-mesembrine.

Asymmetric Induction at Remote Quaternary Centers of Cyclohexadienones by Rhodium-Catalyzed Conjugate Hydrosilylation

Naganawa, Yuki,Kawagishi, Mayu,Ito, Jun-Ichi,Nishiyama, Hisao

supporting information, p. 6873 - 6876 (2016/06/13)

The enantioselective desymmetrizing conjugate hydrosilylation of prochiral differently γ,γ-disubstituted cyclohexadienone derivatives 2 to furnish the corresponding cyclohexenones 4 with a remote chiral all-carbon quaternary center at the γ position is de

Novel synthesis of 2-aryl or 4-arylcyclohexenones

Berrier, C.,Gaillard, E.,Jacquesy, J. C.,Jouannetaud, M. P.,Kigabo, F.

, p. 537 - 543 (2007/10/02)

In anhydrous HF, 4-hydroxy-4-methylcyclohex-2-en-1-one 5 reacts with aromatics (benzene, toluene, anisole, para-bromoanisole) to yield 2 and 4 arylated ketones.Reaction with benzene yields enone 2 (73percent).With toluene, reaction affords enone 6 (24perc

Synthesis of 4-alkyl-4-(4-methoxyphenyl)cyclohex-2-en-1-ones and 5-alkyl-5-phenyl-1,3-cyclohexadienes from bis(tricarbonylchromium)-coordinated biphenyls

Rieke, Reuben D.,Schulte, Louis D.,Dawson, Bryan T.,Yang, Sheng Sbeng

, p. 8388 - 8398 (2007/10/02)

(η6:η6-Biphenyl)[Cr(CO)3] 2 and (η6η64,4'-dimethoxybiphenyl) [Cr(CO)3]2 were chemically reduced with lithium anthracenide or lithium naphthalenide in THF to generate s

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