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Synthesis of (−)-Erythrodiene and (+)-7-Epispirojatamol via Intramolecular Pd-Catalyzed Allylzincation.
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- Helvetica Chimica Acta, 2001, v. 84, n. 2, p. 416, doi. 10.1002/1522-2675(20010228)84:2<416::AID-HLCA416>3.0.CO;2-K
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- Article
Efficient Asymmetric Synthesis of Pumiliotoxin C via Intramolecular [4+2] Cycloaddition.
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- Helvetica Chimica Acta, 2001, v. 84, n. 1, p. 141, doi. 10.1002/1522-2675(20010131)84:1<141::AID-HLCA141>3.0.CO;2-R
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- Article
New Ethylzinc Reagents with Remarkable Properties in palladium-catalyzed zinc-ene reactions.
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- Helvetica Chimica Acta, 1997, v. 80, n. 7, p. 2047, doi. 10.1002/hlca.19970800705
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- Article
Non-destructive Removal of the Bornanesultam Auxiliary in α-Substituted N-Acylbornane-10,2-sultanis under Mild Conditions: An efficient synthesis of enantiomerically pure ketones and aldehydes.
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- Helvetica Chimica Acta, 1997, v. 80, n. 5, p. 1319, doi. 10.1002/hlca.19970800502
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- Article
Palladium-Catalysed Intramolecular Cyclisations of Olefinic Propargylic Carbonates and application to the diastereoselective synthesis of enantiomerically pure (−)-α-thujone.
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- Helvetica Chimica Acta, 1997, v. 80, n. 3, p. 623, doi. 10.1002/hlca.19970800302
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- Article
Asymmetric Alkylations of a Sultam-Derived Glycine Equivalent: Practical preparation of enantiomerically pure α-amino acids.
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- Helvetica Chimica Acta, 1994, v. 77, n. 8, p. 2363, doi. 10.1002/hlca.19940770823
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- Article
Diastereo- and Enantiocontrolled Synthesis of (-)-Allosedamine via Cycloaddition of a Chiral Nitrone.
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- Helvetica Chimica Acta, 1994, v. 77, n. 2, p. 554, doi. 10.1002/hlca.19940770217
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- Article
Rhodium(I)-Catalyzed 'Metallo-Ene' Cyclizations/β-Eliminations.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2329, doi. 10.1002/hlca.19930760618
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- Article
An Efficient Enantioselective Synthesis of (-)-Serricorole.
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- Helvetica Chimica Acta, 1993, v. 76, n. 3, p. 1275, doi. 10.1002/hlca.19930760314
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- Article
Palladium-Catalyzed 'Metallo-Ene'-Type Cyclization/Vinylstannane Coupling of 1-Acetoxy-octa-2,7-dienes and 1-Acetoxy-oct-2-en-7-ynes.
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- Helvetica Chimica Acta, 1993, v. 76, n. 3, p. 1266, doi. 10.1002/hlca.19930760313
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- Article
Stereocontrolled Syntheses of Polysubstituted 2,3-Dihydro-4 H-pyran-4-ones by cyclocondensation of β- acyloxy-ketones.
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- Helvetica Chimica Acta, 1993, v. 76, n. 3, p. 1282, doi. 10.1002/hlca.19930760315
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- Article
Synthesis of (−)-Pinidine via asymmetric, electrophilic enolate hydroxyamination/nitrone reduction.
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- Helvetica Chimica Acta, 1993, v. 76, n. 2, p. 957, doi. 10.1002/hlca.19930760218
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- Article
Enantioselective Synthesis of α- N-Alkylamino Acids via Sultam-Directed 'Enolate' Hydroxyamination.
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- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 187, doi. 10.1002/hlca.19930760113
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- Article
Non-destructive Cleavage of N-Acylsultams Under Neutral Conditions: Preparation of Enantiomerically, Pure Fmoc-Protected α-Amino Acids.
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- Helvetica Chimica Acta, 1992, v. 75, n. 8, p. 2572, doi. 10.1002/hlca.19920750812
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- Article
Asymmetric Synthesis of α-Amino Acids and α- N-Hydroxyamino Acids from N-Acylbornane-10,2-sultams: 1-chloro-1-nitrosocyclohexane as a practical [NH.
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- Helvetica Chimica Acta, 1992, v. 75, n. 6, p. 1965, doi. 10.1002/hlca.19920750622
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- Article
Catalytic asymmetric synthesis of Secondary ( E)-allyl alcohols from acetylenes and aldehydes via (1-alkenyl)zinc intermediates. Preliminary Communication.
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- Helvetica Chimica Acta, 1992, v. 75, n. 1, p. 170, doi. 10.1002/hlca.19920750114
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- Article
Preparation of a Key Intermediate for the Synthesis of the (±)-Pentalenolactone E Methyl Ester by Catalytic 'Palladium-Ene Cyclization'/Methoxycarbonylation.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 465, doi. 10.1002/hlca.19910740302
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- Article
Asymmetric Induction on Copper(I) Chloride catalyzed 1,4-addition of alkylmagnesium chlorides to α, β-disubstituted ( E)-enoylsultams and subsequent protonation.
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- Helvetica Chimica Acta, 1989, v. 72, n. 6, p. 1337, doi. 10.1002/hlca.19890720622
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- Article
Asymmetric Diels- Alder reactions: X-Ray crystal-structure analysis of [ N-(( E)-But-2-enoyl)bornane-10,2-sultam]tetrachlorotitanium.
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- Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 123, doi. 10.1002/hlca.19890720116
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Palladium(0)-Catalyzed Cyclizations of Simple 1-Aryl-1,7-octadien-3-yl Acetates. Preliminary communication.
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- Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 14, doi. 10.1002/hlca.19890720103
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- Article
Asymmetric Induction at C(β) and C(α) of N-Enoylsultams by Organomagnesium 1,4-Addition/Enolate Trapping.
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- Helvetica Chimica Acta, 1987, v. 70, n. 8, p. 2201, doi. 10.1002/hlca.19870700825
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Asymmetric Dihydroxylations of β-Substituted N-(α,β-Enoyl)bornane-10,2-sultams.
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- Helvetica Chimica Acta, 1987, v. 70, n. 7, p. 1666, doi. 10.1002/hlca.19870700703
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Catalytic Intramolecular Palladium-Ene Reactions. Preliminay Communication.
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- Helvetica Chimica Acta, 1987, v. 70, n. 6, p. 1477, doi. 10.1002/hlca.19870700604
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- Article
Intramolecular, Stoichiometric (Li, Mg, Zn) and Catalytic (Ni, Pd, Pt) Metallo-Ene Reactions in Organic Synthesis [New Synthetic Methods (75)].
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- Angewandte Chemie International Edition, 1989, v. 28, n. 1, p. 38, doi. 10.1002/anie.198900381
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Asymmetric Diels-Alder and Ene Reactions in Organic Synthesis. New Synthetic Methods (48).
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- Angewandte Chemie International Edition, 1984, v. 23, n. 11, p. 876, doi. 10.1002/anie.198408761
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Intramolecular Ene Reactions in Organic Synthesis.
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- Angewandte Chemie International Edition, 1978, v. 17, n. 7, p. 476, doi. 10.1002/anie.197804761
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Intramolecular [4+2] and [3+2] Cycloadditions in Organic Synthesis.
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- Angewandte Chemie International Edition, 1977, v. 16, n. 1, p. 10, doi. 10.1002/anie.197700101
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- Article
Intramolecular Cycloadditions of C,O and C,N Multiple Bonds to ortho-Quinodimethanes.
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- Angewandte Chemie International Edition, 1972, v. 11, n. 11, p. 1031, doi. 10.1002/anie.197210311
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Photoisomerization of 2-[2-( N-Ethoxycarbonyl- N-allylamino)ethyl]benzaldehyde.
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- Angewandte Chemie International Edition, 1972, v. 11, n. 8, p. 728, doi. 10.1002/anie.197207281
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- Article
Enantioselective Synthesis of β-Necrodol and of 1-Epi-β-necrodol via Asymmetric 1,4-Addition and Magnesium-Ene Cyclization. Preliminary Communication.
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- Helvetica Chimica Acta, 1986, v. 69, n. 8, p. 1817, doi. 10.1002/hlca.19860690805
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- Article
Enantioselective Syntheses of α-Amino Acids from 10-(Aminosulfonyl)-2-bornyl Esters and Di( tert-butyl) Azodicarboxylate. Preliminary Communication.
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- Helvetica Chimica Acta, 1986, v. 69, n. 8, p. 1923, doi. 10.1002/hlca.19860690819
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- Article
Preparation of Enantiomerically Pure β-Silylcarboxyl Derivatives by Asymmetric 1,4-Addition to N-Enoyl-sultams. Preliminary Communication.
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- Helvetica Chimica Acta, 1986, v. 69, n. 7, p. 1542, doi. 10.1002/hlca.19860690703
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Asymmetric and ' anti'-Selective Aldolisations of Acetates and Propionates. Preliminary Communication.
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- Helvetica Chimica Acta, 1986, v. 69, n. 7, p. 1699, doi. 10.1002/hlca.19860690725
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- Article
Asymmetric Diels- Alder Reactions of Neopentyl-Ether-Shielded Acrylates and Allenic Esters: Syntheses of (−)-Norbornenone and (−)-β-Santalene.
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- Helvetica Chimica Acta, 1985, v. 68, n. 8, p. 2100, doi. 10.1002/hlca.19850680803
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- Article
Camphorsulfonamide-Shielded, Asymmetric 1,4-Additions and Enolate Alkylations; Synthesis of a Southern Corn Rootworm Pheromone. Preliminary Communication.
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- Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 212, doi. 10.1002/hlca.19850680126
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Asymmetric α-Acetoxylation of Carboxylic Esters. Preliminary Communication.
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- Helvetica Chimica Acta, 1985, v. 68, n. 1, p. 216, doi. 10.1002/hlca.19850680127
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- Article
Camphor-Derived N-Acryloyl and N-Crotonoyl Sultams: Practical Activated Dienophiles in Asymmetric Diels-alder Reactions. Preliminary Communication.
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- Helvetica Chimica Acta, 1984, v. 67, n. 5, p. 1397, doi. 10.1002/hlca.19840670527
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- Article
Syntheses of (±)- and Enantiomerically Pure (+)-Longifolene and of (±)- and Enantiomerically Pure (+)-Sativene by an Intramolecular de Mayo Reaction.
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- Helvetica Chimica Acta, 1984, v. 67, n. 4, p. 1154, doi. 10.1002/hlca.19840670429
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- Article
Stereospecific, R<sub>2</sub>AlCl-Promoted Intramolecular Ene Reaction of a 1,6-Dienoate: Evidence for a Concerted Mechanism.
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- Helvetica Chimica Acta, 1984, v. 67, n. 3, p. 730, doi. 10.1002/hlca.19840670312
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- Article
Michael Addition of Lithio-α-(methyldiphenylsilyl)acetate to Cyclopentenone: A direct synthesis of (±)-methyl jasmonate.
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- Helvetica Chimica Acta, 1983, v. 66, n. 7, p. 2140, doi. 10.1002/hlca.19830660725
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Practical Asymmetric Diels- Alder Additions to Camphor-10-sulfonic-Acid-Derived Acrylates. Preliminary Communication.
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- Helvetica Chimica Acta, 1983, v. 66, n. 7, p. 2358, doi. 10.1002/hlca.19830660747
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- Article
Highly Stereoselective Total Syntheses of (±)-Chelidonine and of (±)-Norchelidonine by an Intramolecular o-Quinodimethane/Nitrostyrene-Cycloaddition.
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- Helvetica Chimica Acta, 1983, v. 66, n. 4, p. 1119, doi. 10.1002/hlca.19830660415
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- Article
Total Synthesis of (±)-α-Acoradiene via Intramolecular Photoaddition and Reductive Cyclobutane Cleavage.
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- Helvetica Chimica Acta, 1983, v. 66, n. 2, p. 522, doi. 10.1002/hlca.19830660213
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Asymmetric induction in Diels- Alder reactions to acrylates derived from chiral sec-alcohols. Preliminary communication.
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- Helvetica Chimica Acta, 1981, v. 64, n. 8, p. 2802, doi. 10.1002/hlca.19810640841
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High Asymmetric Induction in Conjugate Additions of RCu · BF<sub>3</sub> to Chiral Enoates. Preliminary communication.
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- Helvetica Chimica Acta, 1981, v. 64, n. 8, p. 2808, doi. 10.1002/hlca.19810640842
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A Convergent Synthesis of (±)-α- and β-Himachalenes.
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- Helvetica Chimica Acta, 1981, v. 64, n. 8, p. 2592, doi. 10.1002/hlca.19810640815
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- Article
3-Triethylsilyloxypentadienyllithium, a Versatile 1,3-Diene- or Vinyl Ketone-Building Block.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2002, doi. 10.1002/hlca.19810640705
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- Article
A Short and Efficient Synthesis of (±)-Modhephene by a Stereoelectronically-Controlled Ene-Reaction.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2489, doi. 10.1002/hlca.19810640756
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- Article
Regioselective Alkylation of the Polyfunctional Nucleophile 1-(Methylthio)-3-triethylsilyloxypentadienyllithium.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2022, doi. 10.1002/hlca.19810640706
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A New, Stereoselective Approach to the [3.3.3]Propellane System: Synthesis of (±)-modhephene. Preliminary communication.
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- Helvetica Chimica Acta, 1981, v. 64, n. 5, p. 1575, doi. 10.1002/hlca.19810640537
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- Article