C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/385, 260/471
C07C 59/90 (2006.01) C07C 69/95 (2006.01) C07C 97/10 (1980.01)
Patent
CA 1072110
Abstract This invention provides a method of preparing a compound of the formula: Image (II) in which A is a methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl or cyclohexyl group or a group of formula Image Image or Image [where each of Xl, X2 and X3 , which are identical or different is H, C1, Br, F, CF3, N02, NH2, OH, C1-4 alkyl, C1-4 alkoxy, benzyloxy, acetamido, acetoxy, CHO, COOH, a radical Image where Y is OH or C1-4 alkoxy; X6 is O or S; and X7 is H, Cl or Br]; each of R, X4 and X5, which are identical or different, is hydrogen or C1-4 alkyl; Y is H, OH, OM (where M is a metal- lic residue), C1-12 alkoxy, in which the chain is straight or branched, C3-8 cycloalkyloxy, Cl-4 alkylthio, 2,3- dihydroxypropyloxy, 4-12,2-dimethyl-1,3-dioxolannyl)- methylencoxy, which has the formula Image phenoxy, substituted phenoxy, 3-pyridylmethyleneoxy, 5-(2- methyl-3-hydroxy-4-hydroxymethylpyridyl)-methyleneoxy, which has the formula: Image a NZlZ2, NHCH2CH2NZlZ2, OCH2CH2NZlZ2 or O(CH2)mCONZ1Z2 group (where m is an integer from 1 to 4 and Zl and Z2 are Cl-4 alkyl groups, or Zl and Z2 together with the nitrogen atom to which they are joined may form a 5- to 7-membered N- heterocyclic group which may contain a second heteroatom such as O and N and may be substituted), or a group Image R' represents hydrogen, a Cl-C4 alkyl group or an acetyl group; and their addition salts comprising a compound of formula Image where A, X4, X5, R and Y are as defined above with an organic reducing agent and if necessary substituting the product to etherification or acetylation.
310733
Orchimed S.a.
LandOfFree
Process for preparing hypolipidaemiant products does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for preparing hypolipidaemiant products, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing hypolipidaemiant products will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-567448