FR2507183B1
(fr )
1986-03-07
Procede de preparation d'acides 6,8-difluoro-1,4-dihydro-4-oxo-quinoleine-3-carboxyliques
RO78105A
(ro )
1982-02-01
Procedeu pentru prepararea unor 2-clor-6-nitroaniline
RO82370A
(ro )
1983-08-03
Procedeu pentru prepararea unor derivati de 9-aminodibenzopiran
RO77557A
(ro )
1982-02-01
Procedeu pentru prepararea continua a 1,4-butandiolului
RO81037A
(ro )
1983-02-01
Procedeu de preparare a unor 4-dezacelil-vincaleucoblastin-c3-carboxuhydrazide
PT73857A
(fr )
1981-11-01
Procede de preparation d'acides aza-bicyclo-octane carboxy- liques
RO76592A
(ro )
1981-04-30
Procedeu pentru prepararea unor derivati de 1,2,4-oxadiazol
RO76935A
(ro )
1982-03-24
Procedeu pentru prepararea unor benzofenonhidrazone
FR2421170B1
(fr )
1985-11-29
Procede pour la preparation de 2,2,6,6-tetramethyl-4-piperidone
RO76562A
(fr )
1981-04-30
Procede pour la preparation des 3-imidazolilbenzo-1,2,4-triazine-1-oxydes
RO82359A
(ro )
1983-08-03
Procedeu pentru prepararea unor 4-tiazolidinone
RO78225A
(ro )
1982-02-01
Procedeu pentru prepararea unor 3,4-dihidro-3-oxo-2-chinoxaline
PT69815A
(fr )
1979-07-01
Procede de preparation de l' o-methallyloxyphenol
BE881547A
(fr )
1980-05-30
Procede de preparation de d-alpha-amino acides
RO78658A
(ro )
1982-03-24
Procedeu de preparare a unor derivati ai antrachinonsulfonamidelor
RO77772A
(ro )
1981-11-24
Procedeu pentru prepararea unor derivati de acizi 2,2-dimetilciclo‡ropancarboxilici
BE879937A
(fr )
1980-05-09
Procede de preparation d'acides alpha-omega-dicarboxyliques
BE875378A
(fr )
1979-07-31
Procede de preparation d'alcoylsilanes
RO78091A
(ro )
1982-02-01
Procedeu pentru prepararea unor derivati de 1-azoletena
RO76936A
(ro )
1982-03-24
Procedeu pentru prepararea de p-fenilendiamine asimetrice n-fenil-n'-substituite
BE880509A
(fr )
1980-06-10
Procede de preparation de 2',6'-dialkyl-n-alcoxymethyl-2-chloro-acetanilides
BE865480A
(fr )
1978-10-02
Procede pour la preparation d'acides naphtylaminohydroxysulfoniques
BE880031A
(fr )
1980-05-14
Procede pour la preparation de 1 alpha, 3 beta-dihydroxy-delta 5-steroides
RO76126A2
(ro )
1981-05-30
Procedeu pentru prepararea acizilor antrachinon 2,6-si-2,7-disulfonici
PT64691B
(fr )
1977-08-09
Procede pour la preparation d'acides 6,11-di-hydro-11-oxo-dibenz /b,e/ oxepin-alcanoiques