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851-33-2

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851-33-2 Usage

Class

Aromatic compounds

Subclass

Pyrroles

Characterization

Five-membered ring containing four carbon atoms and one nitrogen atom

Color

Dark red-brown

Solubility

Insoluble in water

Usage

Building block in the synthesis of organic materials

Applications

Conducting polymers, optical materials, optoelectronic devices, pharmaceuticals

Additional properties

Antimicrobial and antifungal properties

Potential applications

Medical and agricultural uses

Check Digit Verification of cas no

The CAS Registry Mumber 851-33-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,5 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 851-33:
(5*8)+(4*5)+(3*1)+(2*3)+(1*3)=72
72 % 10 = 2
So 851-33-2 is a valid CAS Registry Number.

851-33-2Relevant articles and documents

Generation of Aryllithium Reagents from N -Arylpyrroles Using Lithium

Ozaki, Tomoya,Kaga, Atsushi,Saito, Hayate,Yorimitsu, Hideki

, p. 3019 - 3028 (2021/06/02)

Treatment of 1-aryl-2,5-diphenylpyrroles with lithium powder in tetrahydrofuran at 0 °C results in the generation of the corresponding aryllithium reagents through reductive C-N bond cleavage.

Copper-catalyzed pyrrole synthesis from 3,6-dihydro-1,2-oxazines

Yasukawa, Naoki,Kuwata, Marina,Imai, Takuya,Monguchi, Yasunari,Sajiki, Hironao,Sawama, Yoshinari

supporting information, p. 4409 - 4413 (2018/10/17)

Highly-functionalized pyrroles could be effectively synthesized from 3,6-dihydro-1,2-oxazines using a heterogeneous copper on carbon (Cu/C) under neat heating conditions. Furthermore, the in situ formation of 3,6-dihydro-1,2-oxazines via the hetero Diels-Alder reaction between nitroso dienophiles and 1,3-dienes and the following Cu/C-catalyzed pyrrole synthesis also provided the corresponding pyrrole derivatives in a one-pot manner.

Copper(II)-Promoted, One-Pot Conversion of 1-Alkynes with Anhydrides or Primary Amines to the Respective 2,5-Disubstituted Furans or Pyrroles under Microwave Irradiation Conditions

Lee, Hyejeong,Yi, Yeonhui,Jun, Chul-Ho

supporting information, p. 3485 - 3490 (2016/01/25)

Furans and pyrroles are prepared from 1-alkynes by using a Cu(II)-promoted, one-pot, microwave irradiation method. Glaser coupling of 1-alkynes and cyclization of the resulting 1,3-diyne in the presence of an anhydride or a primary amine results in the formation of the respective 2,5-diaryl- or 2,5-dialkyl-substituted furans and pyrroles.

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