BE687490A - - Google Patents
Info
- Publication number
- BE687490A BE687490A BE687490DA BE687490A BE 687490 A BE687490 A BE 687490A BE 687490D A BE687490D A BE 687490DA BE 687490 A BE687490 A BE 687490A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1352565A CH457404A (en) | 1965-09-30 | 1965-09-30 | Process for the production of new acetylene derivatives |
| CH1352665 | 1965-09-30 | ||
| CH662866 | 1966-05-06 | ||
| CH686966 | 1966-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE687490A true BE687490A (en) | 1967-03-28 |
Family
ID=27429006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE687490D BE687490A (en) | 1965-09-30 | 1966-09-28 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT267498B (en) |
| BE (1) | BE687490A (en) |
| CH (1) | CH457404A (en) |
| ES (1) | ES331671A1 (en) |
| FR (1) | FR6071M (en) |
| NL (1) | NL6613360A (en) |
-
1965
- 1965-09-30 CH CH1352565A patent/CH457404A/en unknown
-
1966
- 1966-09-22 NL NL6613360A patent/NL6613360A/xx unknown
- 1966-09-28 ES ES0331671A patent/ES331671A1/en not_active Expired
- 1966-09-28 BE BE687490D patent/BE687490A/xx unknown
- 1966-09-29 AT AT912866A patent/AT267498B/en active
- 1966-12-26 FR FR88836A patent/FR6071M/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES331671A1 (en) | 1967-09-16 |
| NL6613360A (en) | 1967-03-31 |
| CH457404A (en) | 1968-06-15 |
| AT267498B (en) | 1968-12-27 |
| FR6071M (en) | 1968-05-27 |