GR66471B - - Google Patents
Info
- Publication number
- GR66471B GR66471B GR59283A GR790159283A GR66471B GR 66471 B GR66471 B GR 66471B GR 59283 A GR59283 A GR 59283A GR 790159283 A GR790159283 A GR 790159283A GR 66471 B GR66471 B GR 66471B
- Authority
- GR
- Greece
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
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or 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 to ring carbon atoms
- C07D307/60—Two oxygen atoms, e.g. succinic anhydride
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/48—Compounds containing oxirane rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. ester or nitrile radicals
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782831676 DE2831676A1 (de) | 1978-07-19 | 1978-07-19 | Neue bis-epoxy-dialkoxy-alkane, deren herstellung und verwendung |
Publications (1)
Publication Number | Publication Date |
---|---|
GR66471B true GR66471B (el) | 1981-03-23 |
Family
ID=6044767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR59283A GR66471B (el) | 1978-07-19 | 1979-06-06 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4250101A (el) |
EP (1) | EP0008358B1 (el) |
DE (2) | DE2831676A1 (el) |
GR (1) | GR66471B (el) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3070191D1 (en) * | 1980-03-20 | 1985-03-28 | Basf Ag | Process for the preparation of 2,5-dimethyl-4-hydroxy-2,3-dihydrofuran-3-one and intermediates |
EP0548937B1 (en) * | 1991-12-27 | 1997-05-28 | Matsushita Electric Industrial Co., Ltd. | Optical disk reading apparatus |
CN108047175B (zh) * | 2017-12-25 | 2019-08-02 | 武汉桀升生物科技有限公司 | 一种呋喃酮的合成方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3171858A (en) * | 1963-08-30 | 1965-03-02 | Parke Davis & Co | alpha-ethylamino-o-methylisobutyrophenone |
DE1242241B (de) * | 1964-04-08 | 1967-06-15 | Boehringer Sohn Ingelheim | Verfahren zur Herstellung von substituierten Phenyl-alpha-aminoketonen und deren Saeureadditionssalzen bzw. deren optischen Antipoden |
US3694466A (en) * | 1967-06-16 | 1972-09-26 | George H Buchi | Process for the preparation of 2,5-dimethyl-4,5-dihydrofuran-3-ol-4-one |
CH474500A (fr) * | 1967-06-16 | 1969-06-30 | Firmenich & Cie | Procédé pour la préparation d'un dérivé furannique |
US3887589A (en) * | 1968-03-28 | 1975-06-03 | Lever Brothers Ltd | 2,5-Diethyl-4-hydroxy-2,3,-dihydrofuran-3-one |
NL153071B (nl) * | 1968-03-28 | 1977-05-16 | Unilever Nv | Werkwijze voor het verlenen van een verse bakgeur en/of -smaak aan bakkerijprodukten en gevormde bakkerijprodukten, verkregen onder toepassing van deze werkwijze. |
US3629292A (en) * | 1970-02-10 | 1971-12-21 | Int Flavors & Fragrances Inc | Process for the preparation of 2 5-dialkyl-4-hydroxy-(2h)-furan-3-ones |
NL7216271A (el) * | 1972-11-30 | 1974-06-04 | ||
IT1087026B (it) * | 1977-10-20 | 1985-05-31 | Snam Progetti | Procedimento per la preparazione di 2,5-dialchil-4-idrossi-2,3-diidrofuran-3-oni |
-
1978
- 1978-07-19 DE DE19782831676 patent/DE2831676A1/de active Pending
-
1979
- 1979-06-06 GR GR59283A patent/GR66471B/el unknown
- 1979-07-05 US US06/054,863 patent/US4250101A/en not_active Expired - Lifetime
- 1979-07-13 DE DE7979102431T patent/DE2965362D1/de not_active Expired
- 1979-07-13 EP EP79102431A patent/EP0008358B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0008358A1 (de) | 1980-03-05 |
DE2965362D1 (en) | 1983-06-16 |
US4250101A (en) | 1981-02-10 |
DE2831676A1 (de) | 1980-02-07 |
EP0008358B1 (de) | 1983-05-11 |