METHOD OF RS-(2-QUINOXALINYL-1,4-DIOXIDE)-(4-OXO-2-THION-5-THIAZOLIDINYL)METHANOL PREPARATION

• Main Authors: GUNDEL,JANOS,HU, BOZSING,DANIEL,HU, MAGYAR,KAROLY,HU, BENKO,PAL,HU
• Format: Patent
• Language: English
• Published: 15.07.1988
• Edition: 4
• Subjects: CHEMISTRY; FODDER; FOODS OR FOODSTUFFS; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

The invention relates to fodder additives, fodder concentrates and fodders with weight gain increasing and fodder utilization improving effects, which contain as active agent a new compound of the general formula (I), (I) The invention also relates to a process for the preparation of compounds having the general formula (I) by reacting a compound of the general formula (II), (II) wherein Z is oxygen atom or represents two lower alkoxy groups and R1 is as defined above, with a compound of the general formula (III), (III) wherein Q, A, B and n are as defined above, and, if desired, converting the resulting compound of the general formula (I) into another compound of the general formula (I) by well-known reactions. The compounds of the general formula (I) are new.