BG24672A3 - Method of obtaining chromium derivatives - Google Patents

Method of obtaining chromium derivatives

Info

Publication number
BG24672A3
BG24672A3 BG029697A BG2969775A BG24672A3 BG 24672 A3 BG24672 A3 BG 24672A3 BG 029697 A BG029697 A BG 029697A BG 2969775 A BG2969775 A BG 2969775A BG 24672 A3 BG24672 A3 BG 24672A3
Authority
BG
Bulgaria
Prior art keywords
obtaining chromium
chromium derivatives
derivatives
obtaining
chromium
Prior art date
Application number
BG029697A
Other languages
Bulgarian (bg)
Inventor
Bruno Nicolaus
Original Assignee
Isf Spa
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 Isf Spa filed Critical Isf Spa
Publication of BG24672A3 publication Critical patent/BG24672A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • 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
    • C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
BG029697A 1974-04-17 1975-04-17 Method of obtaining chromium derivatives BG24672A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21515/74A IT1044793B (en) 1974-04-17 1974-04-17 PREPARATION OF PIRANIC PASTIAL STRUCTURE COMPOUNDS

Publications (1)

Publication Number Publication Date
BG24672A3 true BG24672A3 (en) 1978-04-12

Family

ID=11182945

Family Applications (1)

Application Number Title Priority Date Filing Date
BG029697A BG24672A3 (en) 1974-04-17 1975-04-17 Method of obtaining chromium derivatives

Country Status (17)

Country Link
JP (1) JPS50137981A (en)
BG (1) BG24672A3 (en)
DD (1) DD121935A5 (en)
DE (1) DE2516623A1 (en)
DK (1) DK165975A (en)
ES (1) ES436627A1 (en)
FI (1) FI751145A (en)
FR (1) FR2303010A1 (en)
IL (1) IL47083A0 (en)
IN (1) IN142206B (en)
IT (1) IT1044793B (en)
LU (1) LU72297A1 (en)
NL (1) NL7504598A (en)
NO (1) NO751362L (en)
RO (1) RO72847A (en)
SE (1) SE7504342L (en)
ZA (1) ZA752432B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3722886A1 (en) * 1987-07-10 1989-01-19 Basf Ag METHOD FOR THE PRODUCTION OF (ALPHA), SS-SUBSTITUTED ACROLEINS AND NEW SUBSTITUTED ACROLEINS
KR960008645B1 (en) * 1993-09-08 1996-06-28 동국제약 주식회사 Preparation of ortho-isopropylized phenol derivatives

Also Published As

Publication number Publication date
RO72847A (en) 1983-07-07
NL7504598A (en) 1975-10-21
NO751362L (en) 1975-10-20
ZA752432B (en) 1976-09-29
SE7504342L (en) 1975-10-20
DK165975A (en) 1975-10-18
IN142206B (en) 1977-06-11
JPS50137981A (en) 1975-11-01
LU72297A1 (en) 1975-08-20
DD121935A5 (en) 1976-09-05
RO72847B (en) 1983-06-30
DE2516623A1 (en) 1975-10-23
IT1044793B (en) 1980-04-21
ES436627A1 (en) 1977-05-01
IL47083A0 (en) 1975-06-25
FI751145A (en) 1975-10-18
FR2303010A1 (en) 1976-10-01

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