FR2399992B1
(fr )
1985-08-09
Procede de preparation de l'ethene, par deshydratation de l'ethanol
BE838754A
(fr )
1976-08-20
Procede ameliore pour la preparation de dimethylol-2, 2-alcanals
RO73517A
(ro )
1980-11-30
Procedeu de preparare a unor derivati aminiglicozidici
RO69608A
(ro )
1982-07-06
Procedeu pentru prepararea unor 1,2-benzizotiazol-3-one
BE838823A
(fr )
1976-08-23
Procede pour la preparation de 1,2,5-dihydroxycholecalciferol
BE877243A
(fr )
1979-12-27
Procede de preparation de l'o-methallyloxyphenol par monoetherification selective de la pyrocatechine
FR2335522A1
(fr )
1977-07-15
Procede de preparation d'androstene-4 diones-3,17
FR2314192A1
(fr )
1977-01-07
Procede de preparation d'oxaphospholannes-1,2
RO76588A
(ro )
1981-04-30
Procedeu pentru prepararea unor derivati de 1,3,4,tiadiazol
BE845327A
(fr )
1977-02-21
Procede de preparation de 4,4'-dihydroxy-3-3'-5-5'-tretralcoyldiphenylalcanes
BE865728A
(fr )
1978-10-05
Procede de preparation du 2,3-dimethylpentanal
RO76667A
(ro )
1981-04-30
Procedeu pentru prepararea unor 2,4-dialchilamino-6-clor-5-triazine
FR2338939A1
(fr )
1977-08-19
Procede de preparation de (vinyl 2, 2-disubstitue)-g-butyrolactones
BE866662A
(fr )
1978-11-03
Procede de preparation de 3,5-dihalogenanilines
BE844739A
(fr )
1977-01-31
Procede de preparation de cyclohexane-diones-1,3
FR2318166A1
(fr )
1977-02-11
Procede de preparation continue de 2,5-dioxo-1-oxa-2-phospholanes
BE852700R
(fr )
1977-09-21
Procede de preparation d'oxaphospholannes-1,2
RO70232A
(ro )
1982-04-12
Procedeu pentru prepararea unor 4-pirazoli-4h-1,2,4-triazolil
PT72246A
(fr )
1981-01-01
Procede de preparation catalytique de la tieno /3,2-c/pyridine
FR2342270A1
(fr )
1977-09-23
Procede de preparation de 1,2-cycloalcanediones par auto-oxydation de cycloalcanones
RO67302A2
(ro )
1980-01-15
Procedeu pentru prepararea 2,2'-bipiridilului prin dehidrogenarea catalitica a piridinei
BE863350A
(fr )
1978-07-26
Procede de preparation du tetramethyl-diacetal de la cyclohexane-dione-1,4
FR2317307A1
(fr )
1977-02-04
Procede de preparation d'oxaphospholannes-1,2
FR2318160A1
(fr )
1977-02-11
Procede de preparation du 7,8-epoxy-2-methyl-octadecane
FR2307793A1
(fr )
1976-11-12
Procede de preparation de la 1,8-dinitroanthraquinone pure