BE848935A
(fr )
1977-05-31
Procede de production d'aldehydes,
RO69608A
(ro )
1982-07-06
Procedeu pentru prepararea unor 1,2-benzizotiazol-3-one
RO69912A
(ro )
1980-08-15
Procedeu pentru prepararea unor tieno (1,5) benzodiazepine
RO79382A
(ro )
1982-06-25
Procedeu de preparare a unor 2,4-(sau 4,6)-diamino-5-alchiltio-pirimidine
FR2335522A1
(fr )
1977-07-15
Procede de preparation d'androstene-4 diones-3,17
RO67632A
(fr )
1979-07-15
Procede pour la preparation des 3,4-dihydro-2 h-1,2-benzothiazincarboxanides
RO76588A
(ro )
1981-04-30
Procedeu pentru prepararea unor derivati de 1,3,4,tiadiazol
PT66815B
(fr )
1978-12-21
Procede d'obtention d'articles en forme en cellulose
LU78874A1
(fr )
1979-09-06
Procede de preparation de nouvelles sulfonylhydrazones de 1,4-dioxo-et 4-oxoquinoxaline-2-carboxaldehyde
NL7702823A
(nl )
1977-10-18
Werkwijze voor de bereiding van 2-(2,2-dicy- clohexylethyl)piperidine.
FR2353507A1
(fr )
1977-12-30
Procede pour l'obtention de 1,1-difluoroethylene
FR2335487A1
(fr )
1977-07-15
Procede de preparation de trimethyl-3,5,5 cyclohexene-2 dione-1,4
BE844259A
(fr )
1977-01-17
Procede de preparation d'aldehydes &,b-ethyleniques
FR2338939A1
(fr )
1977-08-19
Procede de preparation de (vinyl 2, 2-disubstitue)-g-butyrolactones
RO76667A
(ro )
1981-04-30
Procedeu pentru prepararea unor 2,4-dialchilamino-6-clor-5-triazine
FR2299329A1
(fr )
1976-08-27
Procede de preparation de 1,2-benzisothiazoles
RO70235A2
(ro )
1981-11-04
Procedeu de obtinere a carburilor greu fuzibile de ti,zr,w si cr
BE852760A
(fr )
1977-09-22
Procede d'obtention de 2,6-di-terbutylphenol
RO70232A
(ro )
1982-04-12
Procedeu pentru prepararea unor 4-pirazoli-4h-1,2,4-triazolil
FR2306202A1
(fr )
1976-10-29
Procede pour l'obtention de 3-methyl-piperidine.
BE845017A
(fr )
1976-12-01
Procede pour l'obtention d'alpha,alpha,alpha,alpha',alpha',-pentachloro-o-xylene
BE835855A
(fr )
1976-05-24
Procede de preparation de nouvelles 7,7 -diphenyl - hexahydro - 1,4 - oxazepines
PT66182A
(fr )
1977-03-01
Procede d'obtention de nouvelles propylenediamines
BE828350A
(fr )
1975-10-24
Procede d'obtention de 1,3,4-trimethyl-2(3,4,5-trimethoxybenzyl)-1,2,5,6, -tetrahydropyridine
BE850085A
(fr )
1977-07-04
Procede pour l'obtention de 2-azetidinone 1,3-disubstituee