Antioxidant BHT 264
CAS:128-37-0
Purity:99%
Contact Now
We will contact you as soon as possible
- Language:English
- English
Your Location：Home >Products >Pharmaceutical API >104142-93-0
Product Details
|
Biological Activity |
norfloxacin hydrochloride is a broad-spectrum antibiotic that is active against both gram-positive and gram-negative bacteria, which functions by inhibiting dna gyrase. |
InChI:InChI=1/C16H18FN3O3.ClH/c1-2-19-9-11(16(22)23)15(21)10-7-12(17)14(8-13(10)19)20-5-3-18-4-6-20;/h7-9,18H,2-6H2,1H3,(H,22,23);1H
Ciprofloxacin has been shown to exhibit ...
We present a short and efficient way of ...
The invention belongs to the field of ph...
The invention relates to antibiotic comp...
1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinoline carboxylic acid
Norfloxacin hydrochloride
| Conditions | Yield |
|---|---|
|
With
hydrogenchloride;
In
1,4-dioxane; dichloromethane;
at 20 ℃;
for 1h;
|
95% |
|
Multi-step reaction with 2 steps
1: sodium hydroxide / tetrahydrofuran / 20 °C
2: hydrogenchloride / ethanol; water / 3 h / Reflux
With
hydrogenchloride; sodium hydroxide;
In
tetrahydrofuran; ethanol; water;
|
![7-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid](/upload/2025/1/8af95474-1266-4107-848c-f6c07b77890c.png)
7-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
Norfloxacin hydrochloride
| Conditions | Yield |
|---|---|
|
7-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid;
With
trifluoroacetic acid;
In
dichloromethane;
at 20 ℃;
With
hydrogenchloride;
In
water;
|
99% |
|
With
hydrogenchloride;
In
ethanol; water;
for 3h;
Reflux;
|
81% |
piperazine
7-chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
1-ethyl-6-fluoro-7-chloro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ethyl ester
ethyl 7-chloro-6-fluoro-4-oxo-1,4-dihydroquinoline 3-carboxylate
1-ethyl-6-fluoro-4-oxo-7-(4-(N-(phenylsulfonyl)carbamimidoyl)piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
1-ethyl-6-fluoro-4-oxo-7-(4-(N-tosylcarbamimidoyl)piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
7-(4-(N-(4-chlorophenylsulfonyl)carbamimidoyl)piperazin-1-yl)-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
1-ethyl-6-fluoro-4-oxo-7-(4-(N-(4-(trifluoromethyl)phenylsulfonyl)carbamimidoyl)piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
