相似化合物
108-79-2 26305-13-5 41398-85-0专利信息
专利号:WO-2005097092-A1
优先权日:2004-04-05
标 题 :Compound with vitamin k activity, particularly as additive for feeds, and preparation of the compound
发明人:BRUSCHI ENRICO; MONTELEONE FRANCESCO
权利人:VANETTA S P A; BRUSCHI ENRICO; MONTELEONE FRANCESCO
摘要:A new indication of use for bis(menadione bisulfite)piperazine (MBP) and a method for synthesizing the compound is described. MBP has a substantial vitamin K-like activity, which however, differently from other compounds currently in use for the same purpose, is associated with a considerable stability in conditions of intense physical stress, with high activity per unit weight, and a low danger index (assessed by means of an EC protocol that is adopted universally in the field for this purpose). The described synthesis method is based on the low water-solubility constant of MBP, so that as a consequence of the mixing of a menadione bisulfite salt and a second piperazine salt one obtains a complete precipitation of the salt of interest, which can thus be separated and purified easily.
专利号:CN-1014518-B
优先权日:1988-09-23
标题:Process of direct synthesis of 4,4-dinitro-tripheryl urea
专利号:JP-2000281611-A
优先权日:1999-03-30
标 题 :Synthesis of phenolic compound having protected hydroxy group, and radioactive ray-sensitive composition by using the same