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Sanofi Aventis France
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Roussel Uclaf SA
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Filing date
Publication date
Application filed by Roussel Uclaf SAfiledCriticalRoussel Uclaf SA
Publication of ES258431A1publicationCriticalpatent/ES258431A1/en
C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
C07F3/06—Zinc compounds
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
A process for obtaining solutions of dimethylzinc in N, N-dimethylformamide, characterized in that a solution of a methyl zinc halide in N, N-dimethylformamide is subjected to heating in vacuum to collect the desired dimethylzinc solution as distillate. (Machine-translation by Google Translate, not legally binding)
ES0258431A1959-06-051960-05-28A procedure for obtaining dimetilcinc solutions (Machine-translation by Google Translate, not legally binding)
ExpiredES258431A1
(en)
Procedure for the preparation of new aqueous solutions of adrenocrome monosemicarbazone. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of a copper ftalocianin, whose alpha form is stable in high degree to the solvents (Machine-translation by Google Translate, not legally binding)
A procedure for preparing concentrated milk of composition and determined and constant characteristics starting from fresh milk (Machine-translation by Google Translate, not legally binding)