IL47083A0 - Method for the preparation of chromene derivatives - Google Patents

Method for the preparation of chromene derivatives

Info

Publication number
IL47083A0
IL47083A0 IL47083A IL4708375A IL47083A0 IL 47083 A0 IL47083 A0 IL 47083A0 IL 47083 A IL47083 A IL 47083A IL 4708375 A IL4708375 A IL 4708375A IL 47083 A0 IL47083 A0 IL 47083A0
Authority
IL
Israel
Prior art keywords
preparation
chromene derivatives
chromene
derivatives
Prior art date
Application number
IL47083A
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 IL47083A0 publication Critical patent/IL47083A0/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)
IL47083A 1974-04-17 1975-04-14 Method for the preparation of chromene derivatives IL47083A0 (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
IL47083A0 true IL47083A0 (en) 1975-06-25

Family

ID=11182945

Family Applications (1)

Application Number Title Priority Date Filing Date
IL47083A IL47083A0 (en) 1974-04-17 1975-04-14 Method for the preparation of chromene 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
FI751145A (en) 1975-10-18
ZA752432B (en) 1976-09-29
JPS50137981A (en) 1975-11-01
DD121935A5 (en) 1976-09-05
DK165975A (en) 1975-10-18
DE2516623A1 (en) 1975-10-23
ES436627A1 (en) 1977-05-01
IT1044793B (en) 1980-04-21
SE7504342L (en) 1975-10-20
NL7504598A (en) 1975-10-21
BG24672A3 (en) 1978-04-12
FR2303010A1 (en) 1976-10-01
LU72297A1 (en) 1975-08-20
RO72847A (en) 1983-07-07
RO72847B (en) 1983-06-30
IN142206B (en) 1977-06-11
NO751362L (en) 1975-10-20

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