Xu et al., 2013 - Google Patents
A facile asymmetric synthesis of Δ3-2-Hydroxybakuchiol, Bakuchiol and ent-BakuchiolXu et al., 2013
- Document ID
- 415668860222840412
- Author
- Xu Q
- Zhao Q
- Shan G
- Yang X
- Shi Q
- Lei X
- Publication year
- Publication venue
- Tetrahedron
External Links
Snippet
A facile asymmetric synthesis of Δ 3-2-Hydroxybakuchiol, Bakuchiol, and ent-Bakuchiol is described through one common intermediate bearing a chiral all-carbon quaternary carbon center, which involves stereoselectively unconjugated alkylation of the α, β-unsaturated …
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 CC(C)=CCC[C@@](C)(C=C)\C=C\C1=CC=C(O)C=C1 0 title abstract description 34
Classifications
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- C07D—HETEROCYCLIC COMPOUNDS
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- 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
- C07D307/38—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
-
- 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
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/655—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/30—Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
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- 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
- C07F9/06—Phosphorus compounds without P-C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
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- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/612—Esters of carboxylic acids having a carboxyl group bound to an acyclic carbon atom and having a six-membered aromatic ring in the acid moiety
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- 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
- C07F17/00—Metallocenes
- C07F17/02—Metallocenes of metals of Groups 8, 9 or 10 of the Periodic System
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- 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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
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- C07C43/205—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring the aromatic ring being a non-condensed ring
- C07C43/2055—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring the aromatic ring being a non-condensed ring containing more than one ether bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B53/00—Asymmetric syntheses
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Shin et al. | Catalyst‐Directed Diastereo‐and Site‐Selectivity in Successive Nucleophilic and Electrophilic Allylations of Chiral 1, 3‐Diols: Protecting‐Group‐Free Synthesis of Substituted Pyrans | |
Hu et al. | Copper-catalyzed direct coupling of unprotected propargylic alcohols with P (O) H compounds: access to allenylphosphoryl compounds under ligand-and base-free conditions | |
Deng et al. | Cinchona alkaloid catalyzed enantioselective [4+ 2] annulation of allenic esters and in situ generated ortho-quinone methides: Asymmetric synthesis of functionalized chromans | |
Mente et al. | BF3· Et2O-mediated cascade cyclizations: Synthesis of schweinfurthins F and G | |
Grenning et al. | Development of asymmetric deacylative allylation | |
Bose et al. | Formal Synthesis of Gracilamine Using Rh (I)-Catalyzed [3+ 2+ 1] Cycloaddition of 1-Yne–Vinylcyclopropanes and CO | |
Cook et al. | Study of the total synthesis of (−)-exiguolide | |
de Los Santos et al. | Hetero-Diels–Alder reaction of phosphorylated nitroso alkenes with enol ethers on water: A clean approach toward 1, 2-oxazine derivatives | |
Kus et al. | Palladium-catalyzed alkoxycarbonylation of conjugated enyne oxiranes: A diastereoselective method for the synthesis of 7-hydroxy-2, 3, 5-trienoates | |
Jacobsen et al. | β-Olefination of 2-alkynoates leading to trisubstituted 1, 3-dienes | |
Ge et al. | Bimetallic catalytic tandem reaction of acyclic enynones: enantioselective access to tetrahydrobenzofuran derivatives | |
Melot et al. | Total synthesis of (nor) illudalane sesquiterpenes based on a C (sp3)–H activation strategy | |
Watanabe et al. | Formal synthesis of optically active ingenol via ring-closing olefin metathesis | |
Jiang et al. | Asymmetric intramolecular Rauhut–Currier reaction and its desymmetric version via double thiol/phase-transfer catalysis | |
Yang et al. | Total synthesis of each enantiomer of falcarinol and panaxjapyne A via asymmetric catalytic alkynylation of an aldehyde | |
Khong et al. | Equilibrium between a vinylogous ylide and a phosphonium dienolate zwitterion: vinylogous Wittig olefination versus vinylogous aldol-type reaction | |
Sanz‐Marco et al. | Catalytic Enantioselective Conjugate Alkynylation of α, β‐Unsaturated 1, 1, 1‐Trifluoromethyl Ketones with Terminal Alkynes | |
Denmark et al. | Carbanion-Accelerated Claisen Rearrangements: Asymmetric Induction with Chiral Phosphorus-Stabilized Anions |