Antioxidant BHT 264
CAS:128-37-0
Purity:99%
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Product Details
InChI:InChI=1/C19H22FN3O4.CH4O3S/c1-10-8-22(6-5-21-10)16-14(20)7-12-15(18(16)27-2)23(11-3-4-11)9-13(17(12)24)19(25)26;1-5(2,3)4/h7,9-11,21H,3-6,8H2,1-2H3,(H,25,26);1H3,(H,2,3,4)
The subject of the present invention are...
Provided are novel crystalline forms of ...
gatifloxacin
(+/-)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methylpiperazinyl)-4-oxo-3-quinolinecarboxylic acid dihydrate
Conditions | Yield |
---|---|
With
water; (RS)-2-methylpiperazine;
In
dimethyl sulfoxide; acetonitrile;
at 25 - 80 ℃;
for 33.5h;
Heating / reflux;
|
|
With
water;
In
acetonitrile;
at 5 - 80 ℃;
for 26.5h;
Heating / reflux;
|
gatifloxacin
(+/-)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methylpiperazinyl)-4-oxo-3-quinolinecarboxylic acid hemihydrate
Conditions | Yield |
---|---|
With
water;
In
acetonitrile;
at 5 - 80 ℃;
for 42h;
Stirring;
Heating / reflux;
|
gatifloxacin