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
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/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)
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 (en) 1974-04-17 1974-04-17 PREPARATION OF PIRANIC PASTIAL STRUCTURE COMPOUNDS

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 (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
NO751362L (en) 1975-10-20
FI751145A (en) 1975-10-18
DK165975A (en) 1975-10-18
IT1044793B (en) 1980-04-21
IL47083A0 (en) 1975-06-25
LU72297A1 (en) 1975-08-20
BG24672A3 (en) 1978-04-12
DE2516623A1 (en) 1975-10-23
FR2303010A1 (en) 1976-10-01
IN142206B (en) 1977-06-11
ES436627A1 (en) 1977-05-01
JPS50137981A (en) 1975-11-01
RO72847B (en) 1983-06-30
NL7504598A (en) 1975-10-21
DD121935A5 (en) 1976-09-05
SE7504342L (en) 1975-10-20

Similar Documents

Publication Publication Date Title
ZA761449B (en) Method for the preparation of alkylenecarbonates
BG27744A3 (en) Method of obtaining of hynazolin derivatives
MW6075A1 (en) Method for the preparation of ethers
JPS5257182A (en) Preparation method of 44oxoo4h benzopyran derivatives
GR59205B (en) New preparation method of methoxy-2-benzamides derivative
ZA753180B (en) Process for preparation of abietamide derivatives
CH613193A5 (en) Process for the preparation of novel 2-arylamino-2-imidazoline derivatives
CS194236B2 (en) Method of preparing derivatives of 4-oxo-hexahydro-4h-pyrazino-isoquinoline
JPS51125082A (en) Preparation method of 77 substitutedd88aminomethyll isoflavon derivatives
HU171325B (en) Process for preparing derivatives of the 2-amino-2-imidazoline
CH609989A5 (en) Process for the preparation of acyl derivatives
JPS51125089A (en) Preparation method of piperazinopyrimidine derivatives
HU171206B (en) Process for preparing new derivatives of the phenyl-pyridyl-allyl-amine
GR58235B (en) Method for the preparation of diaryluutanolamines
CS190461B2 (en) Method of preparation of the substituted s-alcylthiocarbanates
ZA752432B (en) Method for the preparation of chromene derivatives
JPS51125088A (en) Preparation method of new benzhydryloxyyalkylamine derivatives
EG11656A (en) Process for the preparation of propanolamin derivatives
IL46698A (en) Process for the preparation of 7-amino-delta3-cephem derivatives
CS192549B2 (en) Method of preparation of the chinazoline derivatives
GB1518291A (en) Process for the preparation of coumarin derivatives
GR64923B7 (en) Method for the preparation of benzylidenic derivatives
CH613457A5 (en) Process for the preparation of 7-methoxycephalosporin derivatives
CS191271B2 (en) Method of preparation of the 2-deutero-3-fluor-d-alanine
HRP930436B1 (en) Process for the preparation of thienothiazine derivatives