3H-Pyrazole-3-carboxylicacid,5-ethynyl-4,5-dihydro-3-methyl-,methylester,(3R,5R)-rel-(9CI)

Base Information

Chemical Name:3H-Pyrazole-3-carboxylicacid,5-ethynyl-4,5-dihydro-3-methyl-,methylester,(3R,5R)-rel-(9CI)
CAS No.:221100-76-1
Molecular Formula:C₈H₁₀N₂O₂
Molecular Weight:166.18
Hs Code.:
Mol file:221100-76-1.mol

Synonyms:3H-Pyrazole-3-carboxylicacid,5-ethynyl-4,5-dihydro-3-methyl-,methylester,(3R,5R)-rel-(9CI)

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

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Chemical Property of 3H-Pyrazole-3-carboxylicacid,5-ethynyl-4,5-dihydro-3-methyl-,methylester,(3R,5R)-rel-(9CI)

Chemical Property:

Boiling Point:192.9±40.0 °C(Predicted)
PSA：41.57000
Density:1.11±0.1 g/cm3(Predicted)
LogP:-0.36340

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 3H-Pyrazole-3-carboxylicacid,5-ethynyl-4,5-dihydro-3-methyl-,methylester,(3R,5R)-rel-(9CI)

There total 2 articles about 3H-Pyrazole-3-carboxylicacid,5-ethynyl-4,5-dihydro-3-methyl-,methylester,(3R,5R)-rel-(9CI) 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:

: 17761-23-8
diazopropyne

: 80-62-6,114512-63-9,143476-91-9,25188-98-1,9011-14-7
methacrylic acid methyl ester

: 221100-77-2
methyl 2-ethynyl-1-methylcyclopropanecarboxylate

: 221100-77-2
methyl 2-ethynyl-1-methylcyclopropanecarboxylate

: 221100-76-1
trans-5-ethynyl-3-methoxycarbonyl-3-methyl-1-pyrazoline

: 221100-76-1
cis-5-ethynyl-3-methoxycarbonyl-3-methyl-1-pyrazoline

Guidance literature:: In tetrahydrofuran; diethyl ether; at 0 ℃; for 20h; Yield given; Yields of byproduct given. Title compound not separated from byproducts;
DOI:10.1007/BF02494283

Reference yield:

: 17761-23-8
diazopropyne

: 80-62-6,114512-63-9,143476-91-9,25188-98-1,9011-14-7
methacrylic acid methyl ester

: 221100-77-2
methyl 2-ethynyl-1-methylcyclopropanecarboxylate

: 221100-77-2
methyl 2-ethynyl-1-methylcyclopropanecarboxylate

: 221100-76-1
trans-5-ethynyl-3-methoxycarbonyl-3-methyl-1-pyrazoline

: 221100-76-1
cis-5-ethynyl-3-methoxycarbonyl-3-methyl-1-pyrazoline

Guidance literature:: In tetrahydrofuran; diethyl ether; at 0 ℃; for 20h; Yield given; Yields of byproduct given. Title compound not separated from byproducts;
DOI:10.1007/BF02494283