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Frank Kienzle Patents |
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Inventor: Kienzle; Frank
Address: Fluh, CH
No. of patents: 33
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6288280 |
Racemization of atropisomeric bis(phosphine oxide) compounds |
September 11, 2001 |
| A process for the racemization of atropisomeric bis(phosphine oxide) compounds of formula I: ##STR1##in their (S) or (R) or non-racemic form, is useful for preparing optical active bisphosphine ligands, that form optical active complexes with transition metals. Racemization is therma |
| 6037479 |
Chiral diarsine compounds |
March 14, 2000 |
| Novel, chiral diarsine compounds, which are present in the (R)- or (S)- or (rac)-form, of the formula ##STR1## wherein R signifies an optionally substituted aryl from the group of phenyI, naphthyl, furyl and thienyl; C.sub.3-8 -cycloalkyl or C.sub.1-8 -alkyl;R.sup.1, R.sup.2, R.s |
| 5072019 |
Process for the manufacture of 4-(2-butenylidene)-3,5,5-trimethyl-2-cyclohexen-1-one |
December 10, 1991 |
| A method for the manufacture of the four geometric isomers of 4-(2-butenyl)idene)-3,5,5-trimethy-2-cyclohexen-1-one is provided. The process comprises pyrolyzing a compound of the formula ##STR1## wherein R represents lower-alkyl-oxycarbonyl, aryl-oxycarbonyl, or, preferably, low |
| 5045567 |
Propanolamine derivatives having anti-diabetic effects |
September 3, 1991 |
| Propanolamine derivatives of the formula ##STR1## wherein R.sup.1 is hydrogen or a group of formula ##STR2## n is the number 0 or 1; R.sup.2 and R.sup.5 are phenyl, m-halophenyl, m-trifluoromethylphenyl, thienyl or pyridyl;R.sup.3 is hydrogen or methyl;R.sup.4 is hydrogen, --CH.s |
| 5015779 |
Process for the manufacture of 4-(2-butenylidene)-3,5,5-trimethyl-2-cyclohexen-1-one |
May 14, 1991 |
| A method for the manufacture of the four geometric isomers of 4(2-butenylidene)-3,5,5-trimethyl-2-cyclohexen-1-one is provided. The process comprises pyrolyzing a compound of the formula ##STR1## wherein R represents lower-alkyl-oxycarbonyl, aryl-oxycarbonyl, or, preferably, lowe |
| 4581172 |
Substituted pyrimido[6,1-a]isoquinolin-4-ones,pyrimido[6,1-a]benzozepin-4-ones and pyrimido[ |
April 8, 1986 |
| Pyrimidone derivatives of the formula ##STR1## wherein n is the integer 1 or 0; A.sup.1 and A.sup.2 are independently methylene or mono-lower alkyl or di-lower alkyl methylene; X is methylene, mono-lower alkyl or di-lower alkyl methylene, nitrogen or lower alkyl nitrogen; R is hy |
| 4455311 |
Imidazoquinazoline derivatives which inhibit the aggregation of blood platelets, inhibit gastric |
June 19, 1984 |
| Imidazoquinazolines of the formula ##STR1## wherein one of R.sup.1 or R.sup.2 is hydrogen, chlorine, bromine, C.sub.1-4 -n-alkyl or C.sub.1-4 -n-alkoxy and the other is --N(R,R"), wherein R and R" are C.sub.1-4 -n-alkyl or R and R" taken together are tetramethylene or pentamethyl |
| 4442289 |
4-Oxothieno[3,2-d]pyrimidine acetic acid esters |
April 10, 1984 |
| Antiallergically-active pyrimidine derivatives of the formula ##STR1## wherein R.sup.1 is hydrogen, chlorine, bromine or C.sub.1-4 -alkyl, and R.sup.2 is hydrogen or methyl,prepared starting from corresponding 4-oxothieno[3,2-d]pyrimidine derivatives, are described. |
| 4390540 |
Imidazoquinazolines having pharmaceutical activity |
June 28, 1983 |
| Imidazoquinazolines of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are hydrogen, halogen, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy or C.sub.2-5 -alkoxyalkyl; or two of R.sup.1, R.sup.2 and R.sup.3 on adjacent carbon atoms taken together are methylenedioxy or ethylenediox |
| 4376121 |
Antiallerigically-active imidazothienopyrimidine derivatives |
March 8, 1983 |
| Antiallergically-active pyrimidine derivatives of the formula ##STR1## wherein R.sup.1 is hydrogen, chlorine, bromine or C.sub.1-4 -alkyl, and R.sup.2 is hydrogen or methyl, prepared starting from corresponding 4-oxothieno-[3,2-d]pyrimidine derivatives, are described. |
| 4208533 |
Synthesis of cyclopentanol |
June 17, 1980 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a betahexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-cy clopenta [b] furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing 11-desoxy and 11-alkyl p |
| 4204073 |
Process for producing carotenoids |
May 20, 1980 |
| A process for producing trimethyl oxo or hydroxy substituted cycopentenone food coloring agents including intermediates in this process. |
| 4159386 |
Synthesis of cyclopentanol |
June 26, 1979 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing 11-desoxy and 11-alkyl pr |
| 4156090 |
Polyene compounds |
May 22, 1979 |
| 15,15'-Didehydro-astaxanthin and ester derivatives thereof useful as coloring agents and intermediates for astaxanthin and a method for preparing astaxanthin from keto .alpha.-isophorone and intermediates therein. |
| 4154963 |
Prostaglandin intermediates |
May 15, 1979 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing 11-desoxy and 11-alkyl p |
| 4109086 |
3,6-Dihydro-2H-1,2-oxazines |
August 22, 1978 |
| Dienylphosphates of the formula ##STR1## wherein each of R.sub.1 and R.sub.1' is lower alkyl, aryl or benzyl and each of R.sub.2, R.sub.3 and R.sub.4 is hydrogen or lower alkyl,Are useful as anthelmintic agents and as intermediates for enolphosphates having anthelmintic activity. |
| 4089889 |
Synthesis of cyclopentanol |
May 16, 1978 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing 11-desoxy and 11-alkyl pr |
| 4088645 |
O,O-Dialkylphosphoryloxy-2,3,5,8-tetrahydro-1H-s-triazolo[1 ,2a]pyridazine-1,3-diones |
May 9, 1978 |
| Dienylphosphates of the formula ##STR1## wherein each of R.sub.1 and R.sub.1 ' is lower alkyl, aryl or benzyl and each of R.sub.2, R.sub.3 and R.sub.4 is hydrogen or lower alkyl, are useful as anthelmintic agents and as intermediates for enolphosphates having anthelmintic activit |
| 4087488 |
Cyano-4-(0,0-dialkylphosphoryloxy)-cyclohex-4-enes |
May 2, 1978 |
| Dienylphosphates of the formula ##STR1## wherein each of R.sub.1 and R.sub.1 ' is lower alkyl, aryl or benzyl and each of R.sub.2, R.sub.3 and R.sub.4 is hydrogen or lower akyl,Are useful as anthelmintic agents and as intermediates for enolphosphates having anthelmintic activity. |
| 4077985 |
4-(O,O-Diester phosphoryloxy)cyclohex-4-en-1,2-carboxylic anhydrides |
March 7, 1978 |
| Dienylphosphates of the formula ##STR1## wherein each of R.sub.1 and R.sub.1 ' is lower alkyl, aryl or benzyl and each of R.sub.2, R.sub.3 and R.sub.4 is hydrogen or lower alkyl,Are useful as anthelmintic agents and as intermediates for enolphosphates having anthelmintic activity. |
| 4074045 |
2H-cyclopenta[b]furan-2-ones and process for preparation |
February 14, 1978 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5,6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing 11-desoxy and 11-alkyl pr |
| 4070378 |
Synthesis cyclopentanol |
January 24, 1978 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing 11-desoxy and 11-alkyl pr |
| 4059577 |
Synthesis of cyclopentanol |
November 22, 1977 |
| Process for synthesizing the lactone, (d1) 3,3a beta-4,5-6,6a- beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing II-desoxy and II-alkyl |
| 4044005 |
Peroxides of 2-oxo-cyclopenta[b]furans |
August 23, 1977 |
| The compounds 3,3,4,5,6,6-hexahydro-4-(3-esterified or etherified-1-octenyl)-2-oxo-2H-cyclopenta[b]furan-5-oyl peroxides useful as intermediates in the preparation of prostaglandins F.sub.2 .alpha. and E.sub.2 which are known agents for inducing labor and terminating pregnancy. |
| 4032520 |
Synthesis of cyclopentanol |
June 28, 1977 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.sub..alpha. and a process for preparing 11-desoxy and 11-alkyl |
| 4029674 |
2-Oxo-2H cyclopenta[b]furans |
June 14, 1977 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a betahexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-cy clopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.sub..alpha. and a process for preparing 11-desoxy and 11-alkyl |
| 4025584 |
1-Acetyl-3(4)-(dihydrocarbylphosphoryloxy)-cyclohex-3-enes |
May 24, 1977 |
| Dienylphosphates of the formula ##STR1## wherein each of R.sub.1 and R.sub.1 ' is lower alkyl, aryl or benzyl and each of R.sub.2, R.sub.3 and R.sub.4 is hydrogen or lower alkyl,Are useful as anthelmintic agents and as intermediates for enolphosphates having anthelmintic activity. |
| 4005110 |
2H-Cyclopenta(b)furan-2-ones |
January 25, 1977 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.sub..alpha. and a process for preparing 11-desoxy and 11-al |
| 4001281 |
2-Oxo-cyclopenta[b]furan-5.alpha.-carboxylic acid esters |
January 4, 1977 |
| Process for synthesizing the lactone, (dl) 3,3a beta-4,5,6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.sub..alpha. and a process for preparing 11-desoxy and 11-alkyl |
| 3978172 |
Process for the preparation of dienylphosphates |
August 31, 1976 |
| Dienylphosphates of the formula ##SPC1##Wherein each of R.sub.1 and R.sub.1 ' is lower alkyl, aryl or benzyl and each of R.sub.2, R.sub.3 and R.sub.4 is hydrogen or lower alkyl, are useful as anthelmintic agents and as intermediates for enolphosphates having anthelmintic activity. |
| 3978171 |
Process for the preparation of dienylphosphates |
August 31, 1976 |
| Dienylphosphates of the formula ##SPC1##Wherein each of R.sub.1 and R.sub.1 ' is lower alkyl, aryl or benzyl and each of R.sub.2, R.sub.3 and R.sub.4 is hydrogen or lower alkyl,Are useful as anthelmintic agents and as intermediates for enolphosphates having anthelmintic activity. |
| 3975445 |
Novel polyene compounds and process therefor |
August 17, 1976 |
| A novel process for the preparation of polyene compounds useful as coloring agents in foods, cosmetics, and pharmaceutical preparations. Novel polyenes are also disclosed.The present invention relates to polyene compounds. More particularly, the invention is concerned with novel caroteno |
| 3933948 |
Dienylphosphates |
January 20, 1976 |
| Dienylphosphates of the formula ##SPC1##Wherein each of R.sub.1 and R.sub.1 ' is lower alkyl, aryl or benzyl and each of R.sub.2,R.sub.3 and R.sub.4 is hydrogen or lower alkyl,Are useful as anthelmintic agents and as intermediates for enolphosphates having anthelmintic activity. |
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