ZA752432B - Method for the preparation of chromene derivatives - Google Patents

Method for the preparation of chromene derivatives

Info

Publication number
ZA752432B
ZA752432B ZA00752432A ZA752432A ZA752432B ZA 752432 B ZA752432 B ZA 752432B ZA 00752432 A ZA00752432 A ZA 00752432A ZA 752432 A ZA752432 A ZA 752432A ZA 752432 B ZA752432 B ZA 752432B
Authority
ZA
South Africa
Prior art keywords
preparation
chromene derivatives
chromene
derivatives
Prior art date
Application number
ZA00752432A
Other languages
English (en)
Inventor
B 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 ZA752432B publication Critical patent/ZA752432B/xx

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)
ZA00752432A 1974-04-17 1975-04-16 Method for the preparation of chromene derivatives ZA752432B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21515/74A IT1044793B (it) 1974-04-17 1974-04-17 Preparazioni di composti a struttura pasziale piranica

Publications (1)

Publication Number Publication Date
ZA752432B true ZA752432B (en) 1976-09-29

Family

ID=11182945

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752432A ZA752432B (en) 1974-04-17 1975-04-16 Method for the preparation of chromene derivatives

Country Status (17)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3722886A1 (de) * 1987-07-10 1989-01-19 Basf Ag Verfahren zur herstellung von (alpha),ss-substituierten acroleinen und neue substituierte acroleine
KR960008645B1 (ko) * 1993-09-08 1996-06-28 동국제약 주식회사 오르토-이소프로필화 페놀 유도체의 제조방법

Also Published As

Publication number Publication date
IN142206B (ja) 1977-06-11
IT1044793B (it) 1980-04-21
BG24672A3 (en) 1978-04-12
SE7504342L (sv) 1975-10-20
JPS50137981A (ja) 1975-11-01
DE2516623A1 (de) 1975-10-23
DD121935A5 (ja) 1976-09-05
RO72847A (ro) 1983-07-07
RO72847B (ro) 1983-06-30
DK165975A (da) 1975-10-18
NO751362L (ja) 1975-10-20
NL7504598A (nl) 1975-10-21
ES436627A1 (es) 1977-05-01
IL47083A0 (en) 1975-06-25
FR2303010A1 (fr) 1976-10-01
FI751145A (ja) 1975-10-18
LU72297A1 (ja) 1975-08-20

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