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VEB Jenapharm Patents
Assignee:
VEB Jenapharm
Address:
Jena, DD
No. of patents:
10
Patents:












Patent Number Title Of Patent Date Issued
4861715 Process for the production of nourseothricine and its adsorbate August 29, 1989
A process is disclosed for the fermentative production of the ergotropically effective antibiotic nourseothricin, with which, using different carbohydrate sources and suitable inorganic and organic nitrogen sources as well as different mineral salts, with or without addition of stock
4532367 Antimicrobially effective derivatives of phenol and methods for their production July 30, 1985
A method is provided for the production of antimicrobially effective phenol derivatives according to general Formula I in which R.sub.1 is bromine or chlorine, R.sub.2 is methyl or ethyl, R.sub.3 is hydrogen or sodium, potassium, ammonium or by alkyl with up to 10 C-atoms substituted
4315909 Process for the preparation of solid drug formulations February 16, 1982
In order to allow for the greatest possible range of variation in the rate of liberation of active agents within an organism and to allow for the use of a wide variety of active agents in solid drug formulations, cellulose graft copolymers are employed as adjuvant. The excellent flow pro
4248790 Gona-4,9(10)-dienes and process of producing the same February 3, 1981
New gona-4,9(10)-dienes of formula I ##STR1## where R is alkyl of 1 to 3 carbon atoms and X is Cl, Br, F, N.sub.3, SCN, CN, OH, OR'(R'-alkyl), NH.sub.2, a substituted amino group or a heterocyclic compound including nitrogen in the ring. The compounds have valuable biological pro
4231946 14,15-Methylene derivatives of the estrane series and methods for preparing same November 4, 1980
Compounds of the general formula ##STR1## in which R' is hydrogen or a methyl radical; R is a hydroxyl, acetoxy, arylaminocarbonyloxy, alkylaminocarbonyloxy radical;Z is hydrogen or a lower alkyl, orR and Z together are oxygen.These compounds exhibit a very favorable separation of desira
4167517 Gona-4,9(10)-dienes and process of producing the same September 11, 1979
New gona-4,9(10)-dienes of formula I ##STR1## where R is alkyl of 1 to 3 carbon atoms and X is Cl, Br, F, N.sub.3, SCN, CN, OH, OR'(R'=alkyl), NH.sub.2, a substituted amino group or a heterocyclic compound including nitrogen in the ring. The compounds have valuable biological pro
4124597 Process for making (DL) pantolactone November 7, 1978
DL pantolactone is made by(a) introducing isobutyraldehyde, formalin and sodium cyanide solution continuously at a predetermined rate into a circulation reactor, continuously circulating the said mixture in said reactor while cooling the circulating mass in a heat exchanger, thus continu
4115443 Process of making D,L-lithium pantoate and resolving the racemic mixture into its optically acti September 19, 1978
A process for the resolution of optical isomers of racemic lithium pantoate by selective crystallization from a solution in methanol, ethanol, or other polar solvents, or by electrostatic separation. The optical isomers can be readily converted to optically active pantolactones which are
4111987 Lithium pantoate and optically active isomers thereof and process of making the same September 5, 1978
A process for the resolution of optical isomers of racemic lithium pantoate by selective crystallization from a solution in methanol, ethanol, or other polar solvents, or by electrostatic separation. The optical isomers can be readily converted to optically active pantolactones which are
4029648 Process of making gona-1,3,5(10),9(11)-tetraenes June 14, 1977
Gona-1,3,5(10),9(11)-tetraenes having the formula ##STR1## IN WHICH FORMULA N IS 1 OR 2,R.sup.1 is a hydrogen, hydroxy, alkoxy, or alkanoyl substituent,R.sup.2 is a hydrogen, alkoxy, acetoxy, alkyl, akenyl, or alkynyl substituent, or a substituent having the formula --CH.sub.2 X in which

 
 
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