Search

Your search keyword '"Robert Dhal"' showing total 72 results

Search Constraints

Start Over You searched for: Author "Robert Dhal" Remove constraint Author: "Robert Dhal" Language undetermined Remove constraint Language: undetermined
72 results on '"Robert Dhal"'

Search Results

1. New two-step sequence involving a hetero-Diels–Alder and a nonphenolic oxidative coupling reaction: a convergent access to analogs of steganacin

2. Practical asymmetric access to carboxy-differentiated aspartate derivatives via 1,3-dipolar cycloaddition of a nitrone with (R)-4-ethyl-N-vinyloxazolidin-2-one

3. Asymmetric Access to Peptidyl β3-Aldehydes by Coupling ofN-Phthalyl α-Amino Acids with a Synthetic Heterocyclic β-Amino Aldehyde Precursor

4. Ternary and tetrahedral symmetry in hybrid fluorides, fluoride carbonates and carbonates

5. Novel Use of N-Benzoyl-N,O-acetals as N-Acylimine Equivalents in Asymmetric Heterocycloaddition: An Extended Enantioselective Pathway to β-Benzamido Aldehydes

7. N-Vinyl-2-Oxazolidinone: New Preparation Methods and First Uses as a Dienophile

8. Isolation of Macrocyclic Metacyclophanes From the Attempted Synthesis of [7.0]Metacyclophanes of the Myricanone Series by Thorpe-Ziegler - Intramolecular Cyclization of Diaryls Substituted by ω-Cyanoalkyl Chains

9. First Asymmetric Synthesis of a 6-Alkoxy-5,6-dihydro-1,3-oxazine: A Promising Enantioselective Route to β-Amido Aldehydes

10. A Large-Scale Low-Cost Preparation of N-Benzylhydroxylamine Hydrochloride

11. Synthesis of Polysubstituted Pyrroles

12. The first semi-synthesis of enantiopure homoharringtonine via anhydrohomoharringtonine from a preformed chiral acyl moiety

13. Lignanes. 18. Synthèse Totale et Confirmation de la Structure de l'Acide Mégacérotonique

14. New agents of biaryl oxidative coupling in fluoro acid medium. VI. Application to the synthesis of phenolic bisbenzocyclooctadiene lignans

15. ChemInform Abstract: 1,3-Dipolar Cycloadditions of Nitrones to Hetero-Substituted Alkenes. Part 2. Sila-, Thia-, Phospha- and Halo-Substituted Alkenes

16. Total Synthesis and Confirmation of the Structure of the Neolignan Megacerotonic acid

17. Lignanes. 17. Recherches sur la synthèse totale d'un norcyclonéolignane, la métaséquirine-B

18. ChemInform Abstract: 1,3-Dipolar Cycloadditions of Nitrones to Heterosubstituted Alkenes. Part 1. Oxa- and Aza-Substituted Alkenes

19. Synthesis of non-phenolic bisbenzocyclooctadiene lignan lactones and aporphinic alkaloids, by oxidative coupling with new agents in fluoro acid medium. IV

25. ChemInform Abstract: First Asymmetric Synthesis of a 6-Alkoxy-5,6-dihydro-1,3-oxazine: A Promising Enantioselective Route to β-Amido Aldehydes

26. ChemInform Abstract: Access to α-Substituted Amino Acid Derivatives via 1,3-Dipolar Cycloaddition of α-Amino Ester Derived Nitrones

27. ChemInform Abstract: N-Vinyl-2-oxazolidinone: New Preparation Methods and First Uses as a Dienophile

28. ChemInform Abstract: N-(β,β-Difluorovinyl)oxazolidin-2-ones: First Synthesis and Application in [3 + 2]- and [4 + 2]-Cycloaddition-Type Reactions

29. Lignanes. 15. Première Synthèse Totale de la (−)-α-Conidendrine Naturelle

30. Lignanes. 16. Premières synthèses totales du (+)-wikstromol, de la (−)-trachélogénine, de la (−)-nortrachélogénine et des lignoïdes apparentés

32. ChemInform Abstract: N-Benzyl Aspartate Nitrones: Unprecedented Single-Step Synthesis and [3 + 2] Cycloaddition Reactions with Alkenes

33. Lignanes, 12. Preparation de la (R)-(+)-β-(Trimethoxy-3,4,5-benzyl) γ-butyrolactone et Son Utilisation dans la Synthese Totale de Lignanes Naturels

34. ChemInform Abstract: Trimethylsilyl Trifluoromethanesulfonate Mediated Addition-Cyclization of N-Vinyloxazolidin-2-ones to Nitrones: An Efficient Access to 4-Substituted 5-Azaisoxazolidines

35. ChemInform Abstract: 1,3-Dipolar Cycloaddition of N-Substituted Dipolarophiles and Nitrones: Highly Efficient Solvent-Free Reaction

36. Lewis acid tuned facial stereodivergent HDA reactions using beta-substituted N-vinyloxazolidinones

37. Diastereoselective Preparation of Novel Tetrahydrooxazinones via Heterocycloaddition of N-Boc, O-Me-Acetals

38. N-vinyl-2-oxazolidinones: efficient chiral dienophiles for the [4 + 2]-based de novo synthesis of new N-2-deoxyglycosides

40. Novel Use of N-Benzoyl-N,O-acetals as N-Acylimine Equivalents in Asymmetric Heterocycloaddition: An Extended Enantioselective Pathway to β-Benzamido Aldehydes

41. ChemInform Abstract: First Total Synthesis of (-)-α-Conidendrin

42. SYNTHESE TOTALE DE LA (d,l) α-CONIDENDRINE

43. Syntheses totales et etudes de lignanes biologiquement actifs. application de l'α-hydroxyalkylation de β-benzyl γ-butyrolactones a la creation des squelettes phenyl tetraline et bisbenzocyclooctadiene—4

44. Etudes de lignanes

45. Studies related to the total synthesis of alkaloids in the carpaine and cassine series. Part 6. Total synthesis of (±)-azimic acid

47. Syntheses totales et etudes de lignanes biologiquement actifs—I

48. First total synthesis of (−)-α-conidendrin

50. Syntheses totales et etudes de lignanes biologiquement actifs—II

Catalog

Books, media, physical & digital resources