5-Cyano-3,4-dihydro-2H-pyran-2-carboxylic acid

Base Information

Chemical Name:5-Cyano-3,4-dihydro-2H-pyran-2-carboxylic acid
CAS No.:76245-01-7
Molecular Formula:C7H7 N O3
Molecular Weight:153.137
Hs Code.:2932999099
DSSTox Substance ID:DTXSID50505611
Mol file:76245-01-7.mol

Synonyms:76245-01-7;5-Cyano-3,4-dihydro-2H-pyran-2-carboxylic acid;DTXSID50505611

Suppliers and Price of 5-Cyano-3,4-dihydro-2H-pyran-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 3 raw suppliers

Chemical Property of 5-Cyano-3,4-dihydro-2H-pyran-2-carboxylic acid

Chemical Property:

PSA：70.32000
LogP:0.65748
XLogP3:0.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:1
Exact Mass:153.042593085
Heavy Atom Count:11
Complexity:248

Purity/Quality:: 99% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1CC(=COC1C(=O)O)C#N

Technology Process of 5-Cyano-3,4-dihydro-2H-pyran-2-carboxylic acid

There total 4 articles about 5-Cyano-3,4-dihydro-2H-pyran-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: 85.0%

: 76245-00-6
methyl 5-cyano-3,4-dihydro-2H-pyran-2-carboxylate

: 76245-01-7
5-cyano-3,4-dihydro-2H-pyran-2-carboxylic acid

Guidance literature:: With sodium hydroxide; Ambient temperature;
DOI:10.1248/cpb.28.2329

Reference yield:

: 76244-98-9
2-ethoxycarbonyl-3,4-dihydro-2H-pyran-5-carboxylic acid chloride

: 76245-01-7
5-cyano-3,4-dihydro-2H-pyran-2-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: 52 percent / c. NH₄OH / benzene / 1 h / 9 - 10 °C

2: 87 percent / 16 percent HCl / 1 h / Heating

3: 68 percent / p-TsCl, pyridine / 80 °C

4: 85 percent / 2 N NaOH / Ambient temperature

With pyridine; hydrogenchloride; ammonium hydroxide; sodium hydroxide; p-toluenesulfonyl chloride; In benzene;
DOI:10.1248/cpb.28.2329

Reference yield:

: 76244-99-0
5-carbamoyl-3,4-dihydro-2H-pyran-2-carboxylic acid

: 76245-01-7
5-cyano-3,4-dihydro-2H-pyran-2-carboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1: 87 percent / 16 percent HCl / 1 h / Heating

2: 68 percent / p-TsCl, pyridine / 80 °C

3: 85 percent / 2 N NaOH / Ambient temperature

With pyridine; hydrogenchloride; sodium hydroxide; p-toluenesulfonyl chloride;
DOI:10.1248/cpb.28.2329