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18709-45-0

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18709-45-0 Usage

General Description

2-Phenyl-3H-azirine-3-carboxylic acid methyl ester is a compound with the molecular formula C11H9NO2. It is a methyl ester derivative of 2-phenyl-3H-azirine-3-carboxylic acid, which is a cyclic organic compound with a reactive three-membered ring containing nitrogen. This chemical is used in organic synthesis and medicinal chemistry as a reagent and intermediate for the synthesis of various compounds. It is also used as a building block for the preparation of pharmaceuticals and biologically active molecules. Additionally, it can be employed as a starting material for the production of agrochemicals and other fine chemicals.

Check Digit Verification of cas no

The CAS Registry Mumber 18709-45-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,0 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18709-45:
(7*1)+(6*8)+(5*7)+(4*0)+(3*9)+(2*4)+(1*5)=130
130 % 10 = 0
So 18709-45-0 is a valid CAS Registry Number.

18709-45-0Relevant articles and documents

A novel approach to 5: H -pyrazino[2,3- b] indoles via annulation of 3-diazoindolin-2-imines with 2 H -azirines or 5-alkoxyisoxazoles under Rh(II) catalysis

Ruvinskaya, Julia O.,Rostovskii, Nikolai V.,Filippov, Ilya P.,Khlebnikov, Alexander F.,Novikov, Mikhail S.

, p. 38 - 42 (2017)

A novel one-step method for the preparation of 5H-pyrazino[2,3-b]indoles with different substitution patterns in all rings of the tricyclic system via the Rh2(OAc)4-catalyzed reaction of 2H-azirines with 3-diazoindolin-2-imines is reported. Alkyl 5H-pyrazino[2,3-b]indole-3-carboxylates were also prepared by a one-pot procedure from synthetic equivalents of alkyl 2H-azirine-2-carboxylates, 5-alkoxyisoxazoles. The reactions provide the first examples of the use of Rh(ii) catalysis for intermolecular annulations with 2H-azirines and isoxazoles.

Nucleophile-Induced Rearrangement of 2 H-Azirine-2-carbonyl Azides to 2-(1 H-Tetrazol-1-yl)acetic Acid Derivatives

Efimenko, Nikita I.,Khlebnikov, Alexander F.,Novikov, Mikhail S.,Spiridonova, Dar'ya V.,Tomashenko, Olesya A.

supporting information, p. 6362 - 6366 (2021/09/02)

2H-Azirine-2-carbonyl azides undergo a rearrangement into derivatives of 2-(1H-tetrazol-1-yl)acetic acid when interacting with O- and S-nucleophiles at room temperature. The reaction is catalyzed by tertiary amines or hydrazoic acid. The reaction with primary alcohols and phenols gives alkyl/aryl 2-(1H-tetrazol-1-yl)acetates. Thiophenols react with 2H-azirine-2-carbonyl azides to afford S-aryl 2-(1H-tetrazol-1-yl)ethanethioates. The mechanism of the nucleophile-induced rearrangement of 2H-azirine-2-carbonyl azides is discussed on the basis of DFT calculations as well as kinetic and 15N labeling experiments.

An Azirine Strategy for the Synthesis of Alkyl 4-Amino-5-(trifluoromethyl)-1 H -pyrrole-2-carboxylates

Funt, Liya D.,Tomashenko, Olesya A.,Novikov, Mikhail S.,Khlebnikov, Alexander F.

, p. 4809 - 4822 (2018/12/13)

1-(3,3,3-Trifluoro-2,2-dihydroxypropyl)pyridin-1-ium bromide serves as a trifluoromethyl-containing building block for the preparation of trifluoromethyl-substituted aminopyrroles based on the 2 H -azirine ring expansion strategy. The primary products, 3-

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