BE655214A - - Google Patents
Info
- Publication number
- BE655214A BE655214A BE655214DA BE655214A BE 655214 A BE655214 A BE 655214A BE 655214D A BE655214D A BE 655214DA BE 655214 A BE655214 A BE 655214A
- 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
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D305/00—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
- C07D305/02—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D305/10—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having one or more double bonds between ring members or between ring members and non-ring members
- C07D305/12—Beta-lactones
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D309/30—Oxygen atoms, e.g. delta-lactones
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US321280A US3234241A (en) | 1963-11-04 | 1963-11-04 | Process for preparing 2, 2, 4, 4-tetraalkyl-3-hydroxy-3-butenoic acid beta-lactones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE655214A true BE655214A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=23249947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE655214D BE655214A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1963-11-04 |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853606B (zh) * | 2022-06-18 | 2023-09-29 | 衢州伟荣药化股份有限公司 | 一种乙酸异丙烯酯的制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3089896A (en) * | 1963-05-14 | Preparation of enolates of | ||
| US3062837A (en) * | 1962-11-06 | Method of preparing | ||
| US2450133A (en) * | 1947-07-12 | 1948-09-28 | Eastman Kodak Co | Process for preparing lactones |
| US2675372A (en) * | 1952-07-09 | 1954-04-13 | Eastman Kodak Co | Polymerization of monomeric vinyl compounds |
| US3074999A (en) * | 1958-12-31 | 1963-01-22 | American Cyanamid Co | Preparation of dialkyl 2-methyleneglutarates |
| US3027359A (en) * | 1959-06-19 | 1962-03-27 | Jurgeleit Hans Wolfgang | Tertiary phosphine polymerization catalysts system |
| US3161656A (en) * | 1961-05-09 | 1964-12-15 | Eastman Kodak Co | Unsaturated beta-lactones and method of preparing them |
| US3062836A (en) * | 1961-05-09 | 1962-11-06 | Eastman Kodak Co | Method of preparing beta-lactones of 2, 2, 4, 4-tetraalkyl-3-hydroxy-3-butenoic acids by catalyzed reaction of dialkylketenes |
| FR1321323A (fr) * | 1962-05-07 | 1963-03-15 | Eastman Kodak Co | Nouvelles bêta-lactones et procédé pour leur préparation |
| FR1366081A (fr) * | 1963-05-24 | 1964-07-10 | Rhone Poulenc Sa | Dicyano-2, 4 butène-1 |
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0
- BE BE655214D patent/BE655214A/xx unknown
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1963
- 1963-11-04 US US321280A patent/US3234241A/en not_active Expired - Lifetime
-
1964
- 1964-10-09 DE DEE27922A patent/DE1284420B/de active Pending
- 1964-11-04 GB GB44903/64A patent/GB1086006A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1284420B (de) | 1968-12-05 |
| US3234241A (en) | 1966-02-08 |
| GB1086006A (en) | 1967-10-04 |