FR882162A - Procédé de préparation de lactones - Google Patents

Procédé de préparation de lactones

Info

Publication number
FR882162A
FR882162A FR882162DA FR882162A FR 882162 A FR882162 A FR 882162A FR 882162D A FR882162D A FR 882162DA FR 882162 A FR882162 A FR 882162A
Authority
FR
France
Prior art keywords
preparing lactones
lactones
preparing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe pour lIndustrie Chimique a Bale CIBA
Original Assignee
Societe pour lIndustrie Chimique a Bale CIBA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe pour lIndustrie Chimique a Bale CIBA filed Critical Societe pour lIndustrie Chimique a Bale CIBA
Application granted granted Critical
Publication of FR882162A publication Critical patent/FR882162A/fr
Priority claimed from DES51877A external-priority patent/DE1028155B/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
    • B61K9/06—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault by detecting or indicating heat radiation from overheated axles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J19/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 by a lactone ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J75/00—Processes for the preparation of steroids in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
FR882162D 1941-06-10 1942-05-19 Procédé de préparation de lactones Expired FR882162A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH882162X 1941-06-10
CH565208X 1941-06-10
DES51877A DE1028155B (de) 1957-01-10 1957-01-10 Einrichtung in ortsfesten Geraeten zum Feststellen von heissgelaufenen Eisenbahnachslagern

Publications (1)

Publication Number Publication Date
FR882162A true FR882162A (fr) 1943-05-20

Family

ID=27178474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR882162D Expired FR882162A (fr) 1941-06-10 1942-05-19 Procédé de préparation de lactones

Country Status (2)

Country Link
FR (1) FR882162A (fr)
NL (1) NL105956C (fr)

Also Published As

Publication number Publication date
NL105956C (fr)

Similar Documents

Publication Publication Date Title
CH265197A (fr) Procédé de préparation de 2-sulfanilamido-pyrimidine.
FR917512A (fr) Procédé de préparation des polythènes chlores
FR53128E (fr) Procédé de préparation des polyamides
FR891441A (fr) Procédé de préparation de dérivés de la 21-hydroxy-prégnénol-3-one-20
FR1179201A (fr) Procédé de préparation de nu-(polyoxyalcoyle)-arylamines
FR884740A (fr) Procédé de préparation de cétones basiques
FR891237A (fr) Procédé de préparation de lactones
FR882162A (fr) Procédé de préparation de lactones
FR946437A (fr) Procédé de préparation de sulfanilaminopyrimidines
FR885694A (fr) Procédé de préparation de polyamides
FR913169A (fr) Procédé de préparation de diamines arylaliphatiques
FR1017464A (fr) Procédé de préparation de 2-sulfanilamidopyrazine
FR920146A (fr) Procédé de préparation de polythènes pulvérulents
FR876068A (fr) Procédé de préparation de bases hétérocycliques non saturées
FR896270A (fr) Procédé de préparation de péri-cétones cycliques
FR886364A (fr) Procédé de préparation de chromates
FR973694A (fr) Procédé de préparation de diamines arylaliphatiques
FR881524A (fr) Procédé de préparation de p-aminobenzènesulfonacylamides
FR890633A (fr) Procédé de préparation de gamma-gamma-diaryle-propyle-amines
FR887681A (fr) Procédé de préparation de la p-aminobenzènesulfonylguanidine
FR973154A (fr) Procédé de préparation de la benzanthrone
FR886721A (fr) Procédé de préparation intensive de mycélium
FR891345A (fr) Procédé de préparation de solutions de filage
FR898017A (fr) Procédé pour préparer des lactones
FR886809A (fr) Procédé de préparation de matières synthétiques