3-Ethynylpyridine-2-carboxylic acid

Base Information

Chemical Name:3-Ethynylpyridine-2-carboxylic acid
CAS No.:219623-05-9
Molecular Formula:C₈H₅NO₂
Molecular Weight:147.133
Hs Code.:2933399090
DSSTox Substance ID:DTXSID10572243
Nikkaji Number:J1.034.494H
Wikidata:Q82460532
Mol file:219623-05-9.mol

Synonyms:3-ethynylpyridine-2-carboxylic acid;219623-05-9;3-Ethynylpicolinic acid;2-Pyridinecarboxylic acid, 3-ethynyl- (9CI);SCHEMBL21230286;DTXSID10572243;AKOS006240033

Suppliers and Price of 3-Ethynylpyridine-2-carboxylic acid

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 6 raw suppliers

Chemical Property of 3-Ethynylpyridine-2-carboxylic acid

Chemical Property:

PSA：50.19000
LogP:0.76110
XLogP3:1
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:2
Exact Mass:147.032028402
Heavy Atom Count:11
Complexity:203

Purity/Quality:: 98%min ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C#CC1=C(N=CC=C1)C(=O)O

Technology Process of 3-Ethynylpyridine-2-carboxylic acid

There total 3 articles about 3-Ethynylpyridine-2-carboxylic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 88.0%

: 219623-03-7
methyl 3-((trimethylsilyl)ethynyl)picolinate

: 219623-05-9
3-ethynylpicolinic acid

Guidance literature:: With methanol; water; potassium hydroxide; at 0 - 20 ℃; for 2h;
DOI:10.1002/adsc.201600492

Reference yield:

: 53636-56-9
methyl 3-bromopicolinate

: 219623-05-9
3-ethynylpicolinic acid

Guidance literature:: Multi-step reaction with 2 steps

1: triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / 20 °C / Inert atmosphere

2: methanol; potassium hydroxide; water / 2 h / 0 - 20 °C

With methanol; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; water; triethylamine; potassium hydroxide; 1: |Sonogashira Cross-Coupling;
DOI:10.1002/adsc.201600492

Reference yield:

: 30683-23-9
3-bromopicolinic acid

: 219623-05-9
3-ethynylpicolinic acid

Guidance literature:: Multi-step reaction with 3 steps

1: sulfuric acid / Cooling with ice; Reflux

2: triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / 20 °C / Inert atmosphere

3: methanol; potassium hydroxide; water / 2 h / 0 - 20 °C

With methanol; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; sulfuric acid; water; triethylamine; potassium hydroxide; 2: |Sonogashira Cross-Coupling;
DOI:10.1002/adsc.201600492