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1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI) is a chemical compound characterized by the presence of a pyrrole ring with a carboxaldehyde group at position 2 and a propynyl group at position 1. This colorless liquid with a strong odor is widely recognized as a versatile building block in organic synthesis, exhibiting a range of biological activities including antimicrobial, antifungal, and antiviral properties. Its applications span across various fields, from pharmaceutical development to agricultural products, with ongoing research into its potential as a corrosion inhibitor and in the production of dyes and pigments. However, due to its potential hazards, including harmful effects if ingested or inhaled, and the risk of skin and eye irritation upon contact, careful handling is advised.

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  • 104501-02-2 Structure
  • Basic information

    1. Product Name: 1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI)
    2. Synonyms: 1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI);1-(2-propyn-1-yl)-1H-pyrrole-2-carbaldehyde(SALTDATA: FREE);1-(prop-2-yn-1-yl)-1H-pyrrole-2-carbaldehyde
    3. CAS NO:104501-02-2
    4. Molecular Formula: C8H7NO
    5. Molecular Weight: 133.14728
    6. EINECS: N/A
    7. Product Categories: AMINETERTIARY
    8. Mol File: 104501-02-2.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 234.6±20.0 °C(Predicted)
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 0.95±0.1 g/cm3(Predicted)
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. PKA: -8.38±0.70(Predicted)
    10. CAS DataBase Reference: 1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI)(CAS DataBase Reference)
    11. NIST Chemistry Reference: 1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI)(104501-02-2)
    12. EPA Substance Registry System: 1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI)(104501-02-2)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 104501-02-2(Hazardous Substances Data)

104501-02-2 Usage

Uses

Used in Pharmaceutical Development:
1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI) is used as an active pharmaceutical ingredient for its antimicrobial, antifungal, and antiviral properties, contributing to the development of new treatments for various infections and diseases.
Used in Agricultural Products:
In the agricultural industry, 1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI) is utilized as a bioactive compound to combat microbial and fungal infections in crops, thereby enhancing crop health and yield.
Used in Corrosion Inhibition:
1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI) is studied for its potential as a corrosion inhibitor, particularly in industrial applications where metal protection is crucial to prevent degradation and extend the lifespan of equipment.
Used in Dyes and Pigments Production:
1H-Pyrrole-2-carboxaldehyde,1-(2-propynyl)-(9CI) is also used in the production of dyes and pigments due to its chemical properties, offering a range of color options for various industries such as textiles, plastics, and printing inks.

Check Digit Verification of cas no

The CAS Registry Mumber 104501-02-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,5,0 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 104501-02:
(8*1)+(7*0)+(6*4)+(5*5)+(4*0)+(3*1)+(2*0)+(1*2)=62
62 % 10 = 2
So 104501-02-2 is a valid CAS Registry Number.

104501-02-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-prop-2-ynylpyrrole-2-carbaldehyde

1.2 Other means of identification

Product number -
Other names 1-propargyl-1H-pyrrole-2-carbaldehyde

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:104501-02-2 SDS

104501-02-2Relevant articles and documents

Synthesis of dipyrrolo-diazepine derivatives via intramolecular alkyne cyclization

Bask?n, D?lge?,?etinkaya, Yasin,Balci, Metin

, p. 4062 - 4070 (2018)

A regioselective approach was developed for the synthesis of dipyrrolo-diazepine derivatives. The synthetic route to dipyrrolo-diazepines first involves the synthesis of dipyrromethanes, followed by reaction of propargyl bromide in the presence of NaH to attach one alkyne functionality to the pyrrole nitrogen atom. Intramolecular heterocyclization with NaH in DMF between the alkyne functionality and pyrrole nitrogen atom gave the desired structures in good yields.

Facile synthesis of 1,2,3-triazole-fused indolo- and pyrrolo[1,4]diazepines, DNA-binding and evaluation of their anticancer activity

Gour, Jitendra,Gatadi, Srikanth,Pooladanda, Venkatesh,Ghouse, Shaik Mahammad,Malasala, Satyaveni,Madhavi,Godugu, Chandraiah,Nanduri, Srinivas

, (2019)

A facile synthetic strategy has been developed for the generation of structurally diverse N-fused heterocycles. The formation of fused 1,2,3-triazole indolo and pyrrolodiazepines proceeds through an initial Knoevenagel condensation followed by intramolecu

Synthesis of pyrrole-fused C,N-cyclic azomethine imines and pyrazolopyrrolopyrazines: Analysis of their aromaticity using nucleus-independent chemical shifts values

?zer, Merve Sinem,Menges, Nurettin,Keskin, Selbi,?ahin, Ertan,Balci, Metin

, p. 408 - 411 (2016)

The AgOTf-catalyzed reaction of C-2 substituted pyrrole hydrazones having an N-propargyl group was studied. The selective 6-endo-dig mode of cyclization was observed, giving rise to the formation of pyrrole-fused C,N-cyclic azomethine imine derivatives. T

Click chemistry based solid phase supported synthesis of dopaminergic phenylacetylenes

Rodriguez Loaiza, Pilar,Loeber, Stefan,Huebner, Harald,Gmeiner, Peter

, p. 7248 - 7257 (2007)

'Click resins' enable solid phase supported reactions to work under nearly perfect conditions fulfilling the requirements of click chemistry. Utilizing the formylpyrrolylmethyltriazole (FPMT) linker 6, which is readily available via copper(I)-catalyzed az

Cascade synthesis of indolizines and pyrrolo[1,2-a]pyrazines from 2-formyl-1-propargylpyrroles

Escalante, Carlos H.,Carmona-Hernández, Fernando A.,Hernández-López, Alberto,Martínez-Mora, Eder I.,Delgado, Francisco,Tamariz, Joaquín

supporting information, p. 396 - 409 (2022/01/20)

A straightforward synthesis of indolizines and pyrrolo[1,2-a]pyrazines was performed through a cascade condensation/cyclization/aromatization reaction of substituted 2-formyl-N-propargylpyrroles with active methylene compounds such as nitromethane, alkyl

CuI incorporated magnetic iminochitosan as an efficient catalyst for the synthesis of N-sulfonylamidines possessing 2-formylpyrrole moiety and their subsequent reactions to the synthesis of isoxazole-5-one hybrid derivatives

Ghasemi, Zarrin,Kabiri, Roya,Pirouzmand, Mahtab,Shahrisa, Aziz,Valizadeh, Sepideh

, (2022/01/24)

In this work, a catalyst based on chelated copper iodide on a magnetic chitosan-ortho-vanillin Schiff base was fabricated and characterized by FT-IR, VSM, TGA, TEM, SEM XRD, and EDX analysis. This nanocatalyst demonstrated excellent catalytic activity in the one-pot three-component reaction of N-propargyl pyrrol-2-carbaldehyde, sulfonyl azide, and secondary or primary amines to yield unique derivatives of N-sulfonylamidine in good to excellent yields. Condensation of the aldehyde-containing products with β-ketoesters, and hydroxylamine hydrochloride, resulted in a novel series of diverse isoxazole-5-ones which were acquired in respectable to admirable yields.

Magnetic sulfonated polysaccharides as efficient catalysts for synthesis of isoxazole-5-one derivatives possessing a substituted pyrrole ring, as anti-cancer agents

Amale, Afsaneh Hamidian,Azizi, Sajjad,Ghasemi, Zarrin,Soleymani, Jafar,Valizadeh, Sepideh

, p. 36958 - 36964 (2021/12/02)

Four polysaccharides (chitosan, cellulose, starch, and pectin) were magnetized with magnetic iron oxide (Fe3O4) and then sulfonated (except pectin) with chlorosulfonic acid. The obtained solid acids were used as a catalyst in three-component reactions bet

Mechanistic Insights into the Reaction of N-Propargylated Pyrrole- and Indole-Carbaldehyde with Ammonia, Alkyl Amines, and Branched Amines: A Synthetic and Theoretical Investigation

Sari, Ozlem,Seybek, Ali Fatih,Kaya, Serdal,Menges, Nurettin,Erdem, Safiye Sag,Balci, Metin

, p. 5261 - 5274 (2019/03/17)

The reaction of pyrrole- and indole-carbaldehydes having a propargyl group attached to the nitrogen atom with various amines was studied. The reaction with ammonia formed pyrrolo[1,2-a]pyrazine and pyrazino[1,2-a]indole while the reaction with alkylamines

Gold-catalyzed oxime-oxime rearrangement

Guven, Sinem,Ozer, Merve Sinem,Kaya, Serdal,Menges, Nurettin,Balci, Metin

supporting information, p. 2660 - 2663 (2015/06/16)

The gold-catalyzed reaction of pyrrole and indole oximes having a propargyl group attached to the nitrogen atom was studied. The selective 6-endo-dig mode of cyclization was observed for the terminal alkynes giving rise to the formation of pyrazine N-oxides in the presence of a gold catalyst. However, the reaction with substituted alkyne transferred the oxime functionality intramolecularly from one carbon atom to another via the 7-endo-dig cyclization process. This transformation is unprecedented in the literature and is named an oxime-oxime rearrangement.

Design and synthesis of pyrrolotriazepine derivatives: An experimental and computational study

Menges, Nurettin,Sari, Ozlem,Abdullayev, Yusif,Erdem, Safiye Sag,Balci, Metin

, p. 5184 - 5195 (2013/07/25)

The pyrrole derivatives having carbonyl groups at the C-2 position were converted to N-propargyl pyrroles. The reaction of those compounds with hydrazine monohydrate resulted in the formation of 5H-pyrrolo[2,1-d][1,2,5] triazepine derivatives. The synthesis of these compounds was accomplished in three steps starting from pyrrole. On the other hand, attempted cyclization of a pyrrole ester substituted with a propargyl group at the nitrogen atom gave, unexpectedly, the six-membered cyclization product, 2-amino-3-methylpyrrolo[1,2- a]pyrazin-1(2H)-one as the major product. The expected cyclization product with a seven-membered ring, 4-methyl-2,3-dihydro-1H-pyrrolo[2,1-d][1,2,5]triazepin-1- one was formed as the minor product and was converted quantitatively to the major product. The formation mechanism of the products was investigated, and the results obtained were also supported by theoretical calculations.

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