Eschler et al., 1991 - Google Patents
A new resolution procedure for the preparation of both (R)-(+)-and (S)-(-)-4-tert-butoxycyclopent-2-enone from racemic 4-tert-butoxycyclopent-2-enone and conversion …Eschler et al., 1991
- Document ID
- 7663561788531031225
- Author
- Eschler B
- Haynes R
- Ironside M
- Kremmydas S
- Ridley D
- Hambley T
- Publication year
- Publication venue
- The Journal of Organic Chemistry
External Links
Snippet
The “three-component coupling” method wherein a nucleophile is added to a protected 4- hydroxycyclopent-2-enone andthe derived enolate is treated with an elec-trophile is the most directin providing prostaglandins. 1, 2 The increasing usage both of this and related …
- 238000002360 preparation method 0 title abstract description 11
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/10—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no 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 to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/16—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D453/00—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids
- C07D453/02—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
- C07D453/04—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems having a quinolyl-4, a substituted quinolyl-4 or a alkylenedioxy-quinolyl-4 radical linked through only one carbon atom, attached in position 2, e.g. quinine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O-metal, -CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/58—Unsaturated compounds containing ether groups, groups, groups, or groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O-metal, -CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P-C bonds
- C07F9/38—Phosphonic acids RP(=O)(OH)2; Thiophosphonic acids, i.e. RP(=X)(XH)2 (X = S, Se)
- C07F9/40—Esters thereof
- C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
- C07F9/4056—Esters of arylalkanephosphonic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B53/00—Asymmetric syntheses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2102/00—Systems containing two condensed rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2101/00—Systems containing only non-condensed rings
- C07C2101/12—Systems containing only non-condensed rings with a six-membered ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C35/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring
-
- 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
- C07D307/93—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 condensed with a ring other than six-membered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic System
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Knapp et al. | Synthesis and reactions of iodo lactams | |
Bernardi et al. | Norephedrine-derived 2-alkenyloxazolidines: stereochemistry of cyclization and allylic stereocenter directed asymmetric conjugate addition | |
Riant et al. | Asymmetric base-catalyzed cycloaddition between anthrone and some dienophiles | |
Langer et al. | Stereoselective intramolecular copper (I)-catalyzed [2+ 2]-photocycloadditions. enantioselective synthesis of (+)-and (-)-grandisol | |
Eschler et al. | A new resolution procedure for the preparation of both (R)-(+)-and (S)-(-)-4-tert-butoxycyclopent-2-enone from racemic 4-tert-butoxycyclopent-2-enone and conversion of (R)-(+)-4-tert-butoxycyclopent-2-enone into (R)-(+)-4-acetoxycyclopent-2-enone. A new method for the determination of the enantiomeric purities of the resolved enones | |
Hanzawa et al. | Construction of trifluoromethylated quaternary carbons via Diels-Alder reactions of 2-(trifluoromethyl) propenoic acid derivatives: application to the synthesis of 16, 16, 16-trifluororetinal | |
Iida et al. | . alpha.-Chelation controlled nucleophilic addition to chiral. alpha.,. beta.-dialkoxy carbonyl compounds. Diastereoselective preparation of L-xylo and L-lyxo triols | |
US6037505A (en) | Enantioselective oxazaborolidine catalysts | |
Breit et al. | o-DPPB-Directed Stereoselective Conjugate Addition of Organocuprates | |
Schulze et al. | Discrimination of enantiotopic iodine atoms by an iodine/magnesium exchange reaction | |
US5399722A (en) | Process for preparing tert-butyl (3R,5S)-6-hydroxy-3,5--O--isopropylidene-3,5-dihydroxyhexanoate | |
Tanikaga et al. | Stereochemical behavior of intermediary compounds in the amine-catalyzed Knoevenagel reaction. | |
Holton et al. | Intramolecular carbopalladation of allylic amines and sulfides | |
Sum et al. | Synthesis of isoprenoid natural products from β-keto esters | |
Smith et al. | 5 (R)-Methyl-1-(chloromethyl)-2-pyrrolidinone: a new reagent for the determination of enantiomeric composition of alcohols | |
JPH09502459A (en) | Method for producing (+)-(1R) -cis-3-oxo-2-pentyl-1-cyclopentaneacetic acid | |
Mukaiyama et al. | New role of tin (II) compounds in organic synthesis | |
Vedejs et al. | Synthesis of olefins from thionocarbonates by an alkylation-reduction sequence | |
Taber et al. | Enantioselective Robinson annulation: synthesis of (+)-O-methyljoubertiamine | |
Molander et al. | [3+ 4] and [3+ 5] Annulation Reactions of. alpha.-(Phenylthio) Dicarbonyl Electrophiles with Bis (trimethylsilyl) Enol Ethers: Synthesis of Highly Functionalized Medium Ring Carbocycles | |
Carretero et al. | A new method for the iterative construction of enantiomerically pure polypropionate chains | |
Kinugasa et al. | Asymmetric Synthesis of Functionalized Secondary Alcohols by Catalytic Ring-Cleavage Reactions of Cyclic Acetals Derived from (R)-1, 3-Butanediol. | |
Hanselmann et al. | Enantioselective Synthesis of a Wieland-Miescher Ketone Bearing an Angular Hydroxymethyl Group | |
Ibuka et al. | New aspects of organocopper reagents: 1, 3-and 1, 2-chiral induction and reaction mechanism | |
Koskinen et al. | Polyhydroxylated indolizidine alkaloids—an efficient synthesis of 1-deoxy-8, 8a-di-epi-castanospermine |