NL7507587A - PROCESS FOR THE PREPARATION OF HETEROCYCLIC COMPOUNDS. - Google Patents

PROCESS FOR THE PREPARATION OF HETEROCYCLIC COMPOUNDS.

Info

Publication number
NL7507587A
NL7507587A NL7507587A NL7507587A NL7507587A NL 7507587 A NL7507587 A NL 7507587A NL 7507587 A NL7507587 A NL 7507587A NL 7507587 A NL7507587 A NL 7507587A NL 7507587 A NL7507587 A NL 7507587A
Authority
NL
Netherlands
Prior art keywords
preparation
heterocyclic compounds
heterocyclic
compounds
Prior art date
Application number
NL7507587A
Other languages
Dutch (nl)
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of NL7507587A publication Critical patent/NL7507587A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
    • C07D263/54—Benzoxazoles; Hydrogenated benzoxazoles
    • C07D263/58—Benzoxazoles; Hydrogenated benzoxazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C07D235/26—Oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL7507587A 1974-06-25 1975-06-25 PROCESS FOR THE PREPARATION OF HETEROCYCLIC COMPOUNDS. NL7507587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2439374A IT1025023B (en) 1974-06-25 1974-06-25 PROCESS FOR THE PREPARATION OF HEDERICOL COMPOUNDS WITH TWO HETEROATOMS SEPARATED FROM A CARBON ATOM

Publications (1)

Publication Number Publication Date
NL7507587A true NL7507587A (en) 1975-12-30

Family

ID=11213366

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7507587A NL7507587A (en) 1974-06-25 1975-06-25 PROCESS FOR THE PREPARATION OF HETEROCYCLIC COMPOUNDS.

Country Status (7)

Country Link
BE (1) BE830365A (en)
DE (1) DE2528368C3 (en)
FR (1) FR2276305A1 (en)
GB (1) GB1470945A (en)
IT (1) IT1025023B (en)
LU (1) LU72757A1 (en)
NL (1) NL7507587A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR204957A1 (en) * 1974-06-25 1976-03-19 Snam Progetti PROCEDURE FOR THE PREPARATION OF AROMATIC CARBONATES
CN105294568B (en) * 2015-12-05 2017-11-17 山东汇海医药化工有限公司 A kind of method for preparing benzimidazolone
CN111187148B (en) * 2020-02-24 2022-08-09 上海大学 Method for simultaneously preparing o-hydroxy phenetole and 1, 3-benzodioxole-2-one

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1139206A (en) * 1953-12-14 1957-06-26 Rech S Et Tech Appliquees Internal carbonates of alpha diols. beta and their preparation process
US2799616A (en) * 1955-04-05 1957-07-16 Monsanto Chemicals Nematocide
FR1352871A (en) * 1961-12-22 1964-05-25 Armour Pharma New organic cyclic carbonates and process for the preparation of carbamates by derivative
US3251857A (en) * 1963-09-26 1966-05-17 Union Carbide Corp Heterocyclic spiro carbonates

Also Published As

Publication number Publication date
DE2528368B2 (en) 1978-06-15
FR2276305A1 (en) 1976-01-23
DE2528368A1 (en) 1976-01-08
FR2276305B1 (en) 1980-06-20
LU72757A1 (en) 1975-10-08
IT1025023B (en) 1978-08-10
DE2528368C3 (en) 1985-01-31
BE830365A (en) 1975-10-16
GB1470945A (en) 1977-04-21

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed