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26060-03-7

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26060-03-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26060-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,0,6 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 26060-03:
(7*2)+(6*6)+(5*0)+(4*6)+(3*0)+(2*0)+(1*3)=77
77 % 10 = 7
So 26060-03-7 is a valid CAS Registry Number.

26060-03-7Relevant academic research and scientific papers

Efficient Synthesis of Quinazolines from Aryl Imidates and N-Alkoxyamide by Ir(III)-Catalyzed C?H Amidation/Cyclization

Fan, Wei-Tai,Huang, Zhibin,Xu, Xu,Tu, Guangliang,Geng, Jingyao,Ji, Shun-Jun,Zhao, Yingsheng

supporting information, p. 4144 - 4147 (2021/08/24)

An Ir(III) catalyst was used for the first time to realize the synthesis of quinazolines by C?H bond activation/cyclization with N-alkoxyamides as amidation reagents. This reaction has the advantages of wide substrate adaptability, good to excellent yield

ACID ALKYLATING AGENT, METHOD FOR GENERATING ACID ALKYLATION PRODUCT, RESIN COMPOSITION AND POLYESTER FILM

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Paragraph 0094-0095, (2017/02/24)

PROBLEM TO BE SOLVED: To provide: an acid alkylating agent which causes less generation of irritant gas and suppresses generation of a gel component; a method for generating an acid alkylation product; a resin composition; and a polyester film. SOLUTION: There are provided: an acid alkylation agent represented by the following general formula (1) obtained by subjecting a compound having at least one acidic group selected from a carboxylic acid group, a sulfonic acid group, a phosphate group and a phenolic hydroxyl group to acid alkylation; a method for generating an acid alkylation product; a resin composition; and a polyester film. Q represents a group for bonding with a -C=N- site to form a 5 to 12- membered nitrogen-containing heterocycle; R11 to R13 each independently represents a hydrogen atom, an alkyl group or an aryl group; and R11 to R13 may be bonded each other to form a ring. SELECTED DRAWING: None COPYRIGHT: (C)2016,JPOandINPIT

Overcoming the Limitations of C?H Activation with Strongly Coordinating N-Heterocycles by Cobalt Catalysis

Wang, Hui,Lorion, Mélanie M.,Ackermann, Lutz

supporting information, p. 10386 - 10390 (2016/08/24)

Strongly coordinating nitrogen heterocycles, including pyrimidines, oxazolines, pyrazoles, and pyridines, were fully tolerated in cobalt-catalyzed C?H amidations by imidate assistance. Structurally complex quinazolines are thus accessible in a step-economic manner. Our findings also establish the relative powers of directing groups in cobalt(III)-catalyzed C?H functionalization for the first time.

Quinazoline synthesis via Rh(III)-catalyzed intermolecular C-H functionalization of benzimidates with dioxazolones

Wang, Jie,Zha, Shanke,Chen, Kehao,Zhang, Feifei,Song, Chao,Zhu, Jin

supporting information, p. 2062 - 2065 (2016/06/06)

An efficient double C-N bond formation sequence to prepare highly substituted quinazolines utilizing benzimidates and dioxazolones under the catalytic redox-neutral [Cp?RhCl2]2/AgBF4 system, where dioxazolones could work as an intern

Co(III)-Catalyzed Synthesis of Quinazolines via C-H Activation of N-Sulfinylimines and Benzimidates

Wang, Fen,Wang, He,Wang, Qiang,Yu, Songjie,Li, Xingwei

supporting information, p. 1306 - 1309 (2016/04/01)

C-H activation of arenes has been established as an important strategy for heterocycle synthesis via annulations between arenes and unsaturated coupling partners. However, nitriles failed to act as such a coupling partner. Dioxazolones have been employed as a synthon of nitriles, and subsequent coupling with arenes such as N-sulfinylimines and benzimidates bearing a functionalizable directing group provided facile access to two classes of quinazolines under Co(III)-catalysis.

Thermal ring contraction of 3H-1,4-benzo- diazepines into quinazolines

Kaname, Mamoru,Tsuchiya, Takashi,Sashida, Haruki

, p. 2407 - 2413 (2007/10/03)

The thermolysis of the 5-methoxy-(11a-c) and 5-diethylamino-3H-1,4- benzodiazepines (14a-c) resulted in a ring transformation to give the 4- methoxy-(12a-c) and 4-diethylaminoquinazolines (15a-c), respectively. The mechanism of this ring contraction is also described.

RING OPENING OF 4-CHLOROQUINAZOLINE INTO 2-ARYLMETHYLENEAMINOBENZONITRILE BY GRIGNARD REACTION

Miyashita, Akira,Sasaki, Takami,Oishi, Etsuo,Higashino, Takeo

, p. 823 - 832 (2007/10/02)

The treatment of 4-chloroquinazoline (1) with arylmagnesium bromide (3) in tetrahydrofuran (THF) resulted in the formation of 2-arylmethyleneaminobenzonitrile (2).Continued reaction of ring opening of 1 and subsequent hydrolysis of the products (2) afforded the corresponding arenecarbaldehydes (4).

HAMMETT-TAFT CONSTANTS OF SUBSTITUTED 2- AND 4-QUINAZOLINYL GROUPS

Baram, S. G.,Shkurko, O. P.,Mamaev, V. P.

, p. 601 - 605 (2007/10/02)

From the chemical shifts of the meta- and para-carbon atoms of the phenyl group in phenylquinazolines the ?I and ?R0 constants of 2- and 4-quinazolinyl groups were determined.Correlation equations which enable us to calcul

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