ES436627A1 - Procedimiento para la preparacion de derivados de cromeno. - Google Patents

Procedimiento para la preparacion de derivados de cromeno.

Info

Publication number
ES436627A1
ES436627A1 ES436627A ES436627A ES436627A1 ES 436627 A1 ES436627 A1 ES 436627A1 ES 436627 A ES436627 A ES 436627A ES 436627 A ES436627 A ES 436627A ES 436627 A1 ES436627 A1 ES 436627A1
Authority
ES
Spain
Prior art keywords
lower alkyl
formula
alkaline
hydrogen
translation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES436627A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ISF SpA
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 ES436627A1 publication Critical patent/ES436627A1/es
Expired legal-status Critical Current

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)
ES436627A 1974-04-17 1975-04-16 Procedimiento para la preparacion de derivados de cromeno. Expired ES436627A1 (es)

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
ES436627A1 true ES436627A1 (es) 1977-05-01

Family

ID=11182945

Family Applications (1)

Application Number Title Priority Date Filing Date
ES436627A Expired ES436627A1 (es) 1974-04-17 1975-04-16 Procedimiento para la preparacion de derivados de cromeno.

Country Status (17)

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

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
DK165975A (da) 1975-10-18
FR2303010A1 (fr) 1976-10-01
NO751362L (es) 1975-10-20
RO72847B (ro) 1983-06-30
LU72297A1 (es) 1975-08-20
JPS50137981A (es) 1975-11-01
BG24672A3 (en) 1978-04-12
FI751145A (es) 1975-10-18
DD121935A5 (es) 1976-09-05
DE2516623A1 (de) 1975-10-23
RO72847A (ro) 1983-07-07
IT1044793B (it) 1980-04-21
IN142206B (es) 1977-06-11
SE7504342L (sv) 1975-10-20
ZA752432B (en) 1976-09-29
IL47083A0 (en) 1975-06-25
NL7504598A (nl) 1975-10-21

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