GB153918A - Improvements in or relating to the preparation of tropinone mono-carboxylic acid esters - Google Patents

Improvements in or relating to the preparation of tropinone mono-carboxylic acid esters

Info

Publication number
GB153918A
GB153918A GB32350/20A GB3235020A GB153918A GB 153918 A GB153918 A GB 153918A GB 32350/20 A GB32350/20 A GB 32350/20A GB 3235020 A GB3235020 A GB 3235020A GB 153918 A GB153918 A GB 153918A
Authority
GB
United Kingdom
Prior art keywords
tropinone
mono
relating
preparation
carboxylic acid
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
GB32350/20A
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.)
Merck KGaA
Original Assignee
E Merck AG
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 E Merck AG filed Critical E Merck AG
Publication of GB153918A publication Critical patent/GB153918A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D451/00—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof
    • C07D451/02—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane; Cyclic acetals thereof
    • C07D451/04—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane; Cyclic acetals thereof with hetero atoms directly attached in position 3 of the 8-azabicyclo [3.2.1] octane or in position 7 of the 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring system
    • C07D451/06—Oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The process of the parent Specification is modified by using, instead of pure acetone dicarboxylic ester acids, the crude esters obtained by partial esterification of non-purified acetone dicarboxylic acid.
GB32350/20A 1919-08-23 1920-11-16 Improvements in or relating to the preparation of tropinone mono-carboxylic acid esters Expired GB153918A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE344031T 1919-08-23

Publications (1)

Publication Number Publication Date
GB153918A true GB153918A (en) 1922-02-13

Family

ID=6249491

Family Applications (3)

Application Number Title Priority Date Filing Date
GB32350/20A Expired GB153918A (en) 1919-08-23 1920-11-16 Improvements in or relating to the preparation of tropinone mono-carboxylic acid esters
GB32349/20A Expired GB153917A (en) 1919-08-23 1920-11-16 Improvements in or relating to the preparation of tropinone mono-carboxylic acid esters
GB32351/20A Expired GB153919A (en) 1919-08-23 1920-11-16 Improvements in or relating to the preparation of tropinone monocarboxylic acid esters

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB32349/20A Expired GB153917A (en) 1919-08-23 1920-11-16 Improvements in or relating to the preparation of tropinone mono-carboxylic acid esters
GB32351/20A Expired GB153919A (en) 1919-08-23 1920-11-16 Improvements in or relating to the preparation of tropinone monocarboxylic acid esters

Country Status (4)

Country Link
CH (5) CH94604A (en)
DE (1) DE344031C (en)
FR (3) FR537760A (en)
GB (3) GB153918A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932641A (en) * 1956-07-26 1960-04-12 Hoechst Ag Alpha, beta-butenolides of the pregnene, pregnane and allopregnane series and a process for preparing them

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932641A (en) * 1956-07-26 1960-04-12 Hoechst Ag Alpha, beta-butenolides of the pregnene, pregnane and allopregnane series and a process for preparing them

Also Published As

Publication number Publication date
CH94156A (en) 1922-04-17
GB153917A (en) 1922-03-16
FR537760A (en) 1922-05-30
CH93433A (en) 1922-03-01
FR537759A (en) 1922-05-30
CH94604A (en) 1922-06-01
FR537758A (en) 1922-05-30
DE344031C (en) 1921-11-12
CH94151A (en) 1922-04-01
CH93278A (en) 1922-03-01
GB153919A (en) 1922-02-16

Similar Documents

Publication Publication Date Title
GB153918A (en) Improvements in or relating to the preparation of tropinone mono-carboxylic acid esters
GB397212A (en) Improvements in the manufacture of optically active menthols
GB153827A (en) New process of manufacture of ª dialkylamino-ethylamino benzoic alkyl esters
GB164757A (en) Process for the preparation of tropinone-mono-carboxylic acid esters
GB147337A (en) Improvements in methods of forming esters
GB273744A (en) Improved process for the separation in the anhydrous state of fatty acids contained in dilute aqueous solutions
GB722594A (en) Improvements in the manufacture of cellulose esters
GB325509A (en) Improvements relating to the manufacture of synthetic menthol
GB181009A (en) Manufacture of new carbonyl derivatives of ª‡-naphthol
AU1711020A (en) Process forthe polymerisation of unsaturated fatty acids
CA207477A (en) Process of producing alloys stable against strong acids
GB372255A (en) Process for the manufacture of 3.5-diiodo-4-pyridone
GB431833A (en) Process for the production of pregnanolones
GB461790A (en) Process for the manufacture of laevo-ascorbic acid
GB393266A (en) Improvements relating to the production of water-free ethyl alcohol
AU418357B2 (en) Phenylcyclohexenecarboxylic acids, alkyl esters and alkali metal salts thereof: lactones of phenylcyclohexanehydroxycarboxylic acids and preparation thereof
GB386102A (en) Improvements in or relating to the production of enamel lacquered wires
GB599066A (en) A method of producing starch esters
AU2346567A (en) Phenylcyclohexenecarboxylic acids, alkyl esters and alkali metal salts thereof: lactones of phenylcyclohexanehydroxycarboxylic acids and preparation thereof
GB154907A (en) Manufacture of esters of dioxydiethyl sulphide
GB679775A (en) Partial synthesis of progesterone
AU1711020B (en) Process forthe polymerisation of unsaturated fatty acids
GB352935A (en) Improvements in the esterification of fatty acids and mixtures containing fatty acids
GB210050A (en) Process for the preparation of synthetic d-ªÎ and l-ªÎ-cocaine
GB273743A (en) Improvements in or relating to the manufacture or treatment of cellulose esters