Purity | Size | Price | VIP Price | USA Stock *0-1 Day | Global Stock *5-7 Days | Quantity | ||||||
{[ item.p_purity ]} | {[ item.pr_size ]} | Inquiry |
{[ getRatePrice(item.pr_usd, 1,1,item.pr_is_large_size_no_price) ]} {[ getRatePrice(item.pr_usd,item.pr_rate,1,item.pr_is_large_size_no_price) ]} |
{[ getRatePrice(item.pr_usd, 1,1,item.pr_is_large_size_no_price) ]} | Inquiry {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate,item.pr_is_large_size_no_price) ]} {[ getRatePrice(item.pr_usd,1,item.mem_rate,item.pr_is_large_size_no_price) ]} | {[ item.pr_usastock ]} | in stock Inquiry - | {[ item.pr_chinastock ]} | {[ item.pr_remark ]} in stock Inquiry - | Login | Inquiry |
Please Login or Create an Account to: See VIP prices and availability
CAS No. : | 29274-22-4 | MDL No. : | MFCD04035685 |
Formula : | C6H5N3O | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | LSLIYLLMLAQRIS-UHFFFAOYSA-N |
M.W : | 135.12 | Pubchem ID : | 135513288 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With caesium carbonate; In N,N-dimethyl-formamide; at 110℃;Inert atmosphere; | The compound 5-aminopyrazole (5 g, 60 mmol)And <strong>[1001-26-9]ethyl 3-ethoxyacrylate</strong> (13 g, 90 mmol)Cesium carbonate (29 g, 90 mmol)Was mixed in 100 ml of N, N-dimethylformamide,The reaction was heated to 110 ° C overnight.Cooled to room temperature, diluted with 200 ml of water,Ether extraction (40 mL x 3), the aqueous phase was concentrated under reduced pressure,The residue was purified by silica gel column chromatography (DCM: MeOH = 10: 1)4H-pyrazolo [1,5-a] pyrimidin-5-one (8 g) in 99percent yield. |
[ 359867-35-9 ]
5-Amino-1-(tert-butyl)-1H-pyrazol-3-ol
Similarity: 0.60
[ 2465-59-0 ]
1H-Pyrazolo[3,4-d]pyrimidine-4,6-diol
Similarity: 0.58
[ 103755-56-2 ]
5-Amino-1-phenyl-1H-pyrazol-3-ol
Similarity: 0.58
[ 43024-61-9 ]
Ethyl 7-hydroxypyrazolo[1,5-a]pyrimidine-6-carboxylate
Similarity: 0.58
[ 29939-37-5 ]
4-Hydroxy-6-hydrazinylpyrimidine
Similarity: 0.57
[ 25940-35-6 ]
Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid
Similarity: 0.72
[ 1159981-95-9 ]
5-Bromopyrazolo[1,5-a]pyrimidine
Similarity: 0.71
[ 89977-62-8 ]
7-Amino-3-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid
Similarity: 0.70
[ 232600-93-0 ]
3-Aminopyrazolo[1,5-a]pyrimidine
Similarity: 0.69