Nothing Special   »   [go: up one dir, main page]

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 …
Continue reading at pubs.acs.org (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic 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
    • C07D207/04Heterocyclic 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
    • C07D207/10Heterocyclic 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
    • C07D207/16Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic 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
    • C07D207/18Heterocyclic 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
    • C07D207/22Heterocyclic 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
    • C07D207/24Oxygen or sulfur atoms
    • C07D207/262-Pyrrolidones
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/67Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D453/00Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids
    • C07D453/02Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
    • C07D453/04Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O-metal, -CHO, keto, ether, groups, groups, or groups
    • C07C59/40Unsaturated compounds
    • C07C59/58Unsaturated compounds containing ether groups, groups, groups, or groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/66Esters 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic System
    • C07F9/02Phosphorus compounds
    • C07F9/28Phosphorus compounds with one or more P-C bonds
    • C07F9/38Phosphonic acids RP(=O)(OH)2; Thiophosphonic acids, i.e. RP(=X)(XH)2 (X = S, Se)
    • C07F9/40Esters thereof
    • C07F9/4003Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/4056Esters of arylalkanephosphonic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B53/00Asymmetric syntheses
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2102/00Systems containing two condensed rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2101/00Systems containing only non-condensed rings
    • C07C2101/12Systems containing only non-condensed rings with a six-membered ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C35/00Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic 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
    • C07D307/93Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds 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