amin—nsalicylicaicdhavebeenobtainable.Theyieldofnitrationwithdilutenitricacidishigherthanthatofnitrationwiththecon—ceatratednitricacid.Keywords:5-anfinosalicylicacid;5-nitrosalicylicacid;5-nitrosalicylicacid;3,5-dinitrosalicylicacid;preparation5一氨摹水杨酸(5.ASA),别名马沙拉嗪(mesala—zinc,mesalamine),是...
lower alkoxy and/or halogen or of a lower alkanoic acid; converting the hydroxy group in the 5-position of the resulting isosorbide-2-ester into the nitric acid ester group in manners known per se by reaction with nitric acid; and subjecting the resulting isosorbide-2-ester-5-nitrate to se...
5-Nitroisophthalic acid synthesis Synthesis of 5-Nitroisophthalic acid from Isophthalic acid5-Nitroisophthalic acid Preparation Products And Raw materials Raw materials Isophthalic acid Nitric acid Nitroxylol 3-Methyl-5-nitrobenzoic acid 4-NITROISOPHTHALIC ACID Preparation Products 5-AMINO-N-METHYLISO...
摘要: Process for the preparation of the mononitro derivatives substituted in positions 5 or 6 of 1,2,3,4-tetrahydro-anthraquinone, which comprises nitrating 1,2,3,4,4a,9a-hexahydro-9,10-anthracene-dione by means of nitric acid or a mixture of nitric acid and sulfuric acid....
5_氨基_1_戊醇的制备_李宝强
Derivatives of nucleic acids are produced by fermentation in the presence of 1-200 mg. of iron, 10 m g-15 mg. of manganese, 0.5-30 mg. of calcium, and 1-1000 m g. of zinc bivalent metal ions, each amount being per litre of fermentation medium. The derivatives specified are 51-inosi...
The invention discloses a method for preparing a 5-nitryl-2, 4-dihalogeno-benzene phenol compound, which comprises the following steps: 2, 4-dihalogeno-benzene phenol carboxylic ether or sulphonic acid ester compound is reacted with nitric acid with 1 to 10 times molar weight and over 90 ...
Basic information Preparation Products And Raw materials nitric acid pickling inhibitor LAN-5Product Namenitric acid pickling inhibitor LAN-5 CAS CBNumberCB12127445 MFHNO3 MW63.01284 MOL FileMol filePreparation Products And Raw materials...
Preparation of silver colloid and enhancement of dispersion stability in organic solvent Silver colloid of nanometer size was prepared in liquid phase by a reduction method. AgNO 3, FeSO 4路7H 2O, and Na 3C 6H 5O 7路2H 2O were used as silver pr... K Kim,Y Choi,D Seo,... - 《Ma...
A process for the preparation of 2,4,5-trichlorophenol and 2,4,5-trichlorophenoxyacetic acid free of 2,3,7,8-tetrachloro-dibenzo-p-dioxin contamination by the steps of nitrating 1,2,4-trichlorobenzene