92 results on '"Pedrosa R"'
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2. ChemInform Abstract: Nucleophilic Ring Opening of 3-Benzyl-1,3-oxazinanes by Reformatsky Reagents. A Synthesis of β-Amino Ester Derivatives.
3. ChemInform Abstract: An Improved Synthesis of 2H-1,2,6-Thiadiazine 1,1-Dioxides by Condensation of β-Amino and β-Chloro α,β- Unsaturated Ketones with Sulfamides.
4. ChemInform Abstract: Stereoselective Ring Opening of Chiral Oxazolidines by Reformatsky Reagents: An Enantioselective Entry to β-Amino Esters.
5. ChemInform Abstract: A New Chiral Glycine Synthon. Synthesis, X-Ray Structure of (-)-(2S,4R) -2-Ethoxycarbonyl-4-phenyl-1,3-oxazolidine, and Diastereoselective Nucleophilic Ring Opening to (R)-Ethyl α-Amino Carboxylates.
6. ChemInform Abstract: Reaction of 4-Chlorocoumarin with Organometallic Reagents. Synthesis of Trialkylbenzopyrans, 4-Chlorobenzopyrans, 4-Alkylcoumarins and o- Hydroxyphenylprop-2-ynyl Alcohols.
7. ChemInform Abstract: Enantioselective Ethylation of Aldehydes Catalyzed by Chiral C2- Symmetrical β-Hydroxy-m-xylylene Diamines.
8. ChemInform Abstract: A Novel Highly Diastereoselective Synthesis of Cyano Ethers by Regioselective Ring-Opening of Chiral Oxazolidinium Methiodides with Sodium Cyanide.
9. ChemInform Abstract: Easy Preparation of Enantiopure C2-Symmetrical Amino Alcohols Derived from m-Xylylene Diamine.
10. ChemInform Abstract: Lithium Derivatives from Enantiomerically Pure 2-(2′-Haloethyl) Dioxolanes: Formation and Use as Chiral Propanal Homoenolate Synthons.
11. ChemInform Abstract: A Diastereoselective Approach to Enantiopure 3-Substituted Pyrrolidines from Masked Lithium Homoenolates Derived from Norephedrine.
12. ChemInform Abstract: Synthesis of Enantiopure syn-β-Amino Alcohols. A Simple Case of Chelation-Controlled Additions of Diethylzinc to α-( Dibenzylamino) Aldehydes.
13. ChemInform Abstract: Synthesis of Enantiopure Primary Amines by Stereoselective Ring Opening of Chiral Octahydro-1,3-benzoxazines by Grignard and Organoaluminum Reagents.
14. ChemInform Abstract: Diastereoselective 5-exo-trig Radical Cyclization on N-Acryloyl- tetrahydro-1,3-oxazines. A Novel Approach to Enantiopure 3-Substituted Pyrrolidines.
15. ChemInform Abstract: Stereodivergent Synthesis of All Diastereomers of 4-Aminoheptane-3,5-diol from (L)-Serine.
16. ChemInform Abstract: A Facile Stereodivergent Synthesis of threo‐ and erythro‐N,N‐Dibenzyl Sphingosines from (S)‐N,N‐Dibenzyl‐O‐TBDMS‐serinal.
17. ChemInform Abstract: Unexpected Stereoselective 6‐exo versus 7‐endo Aryl Radical Cyclization Controlled by Positional Isomers in a Chiral Octahydro‐1,3‐benzoxazine Moiety.
18. ChemInform Abstract: Stereoselective Ring Opening of Chiral Oxazolidines: A Way to Enantiopure α‐ and β‐Amino Acids
19. ChemInform Abstract: Enantioselective Reformatsky Reaction Induced by Chiral β‐Amino Alcohols.
20. ChemInform Abstract: Diastereoselective Intramolecular Diels‐Alder Reaction of the Furan Diene. A Facile Access to Enantiopure Epoxy Tetrahydroisoindolines.
21. ChemInform Abstract: Synthesis of Chiral α,α‐Difluoro‐β‐hydroxy Esters by Enantioselective Reformatsky Reaction.
22. ChemInform Abstract: Elimination versus Diastereoselective Alkylation in Homochiral 2‐(. beta.‐Ethoxy Carbonyl) Acetals.
23. ChemInform Abstract: Reductive Ring Opening of Ephedrine and Pseudoephedrine‐Derived Oxazolidinium Methiodides by Sodium Borohydride. A Direct Access to New Chiral Amino‐Borane Adducts.
24. ChemInform Abstract: Regio‐ and Stereocontrolled Nucleophilic Ring Opening of Chiral Oxazolidines by Diethylaluminum Cyanide. A Short and Efficient Route to Enantiomerically‐Enriched α‐Amino Esters.
25. ChemInform Abstract: Diastereoselective Ring Opening of 2‐Substituted N‐Benzyl‐4,4,7α‐ trimethyl‐trans‐octahydro‐1,3‐benzoxazines by Grignard Reagents. Highly Enantioselective Synthesis of Primary Amines.
26. ChemInform Abstract: Regioselective Synthesis of 2‐Functionalized Thiophenes by Condensation of α‐Mercapto Compounds with β‐Amino Enone Derivatives.
27. ChemInform Abstract: Differential Reactivity of β‐Amino Enones and 3‐ Dimethylaminoacrylaldehyde Towards α‐Amino Derivatives.
28. ChemInform Abstract: The Reaction of β-Amino Enones with α-Amino Derivatives. Synthesis of 2-Functionalized Pyrroles.
29. ChemInform Abstract: An Efficient Synthesis of 3-tert-Aminopropanol Derivatives by Regioselective Ring Opening of Tetrahydro-1,3-oxazines with Grignard Reagents.
30. ChemInform Abstract: Alkylation of 3,5‐Dimethylisothiazole. A Regioselective Synthesis of 5‐Alkyl‐3‐methylisothiazoles.
31. ChemInform Abstract: Regioselective Reductive Ring Cleavage of 3‐Benzyltetrahydro‐1,3‐oxazines to 3‐Dialkylaminopropanols and of 3‐Benzyl‐3‐methyltetrahydro‐1,3‐oxazinium Iodides to Alkyl 3‐Dialkylaminopropyl Ethers.
32. ChemInform Abstract: Some Observations on the Reactivity of β‐Amino Enones Towards Phenacylamine Hydrochloride.
33. ChemInform Abstract: Regioselective Synthesis of 2- and 3-Acylpyrroles by Reaction of β-Amino Enones with α-Amino Ketone Hydrochlorides.
34. ChemInform Abstract: Ring‐Opening of 2H‐Pyrans Promoted by Organometallic Reagents. Synthesis of Dienic Alcohols.
35. ChemInform Abstract: One‐Pot Synthesis of Unsymmetrically Substituted 2,4‐Dialkylisoflavenes.
36. ChemInform Abstract: Reaction of 2H‐1‐Benzopyrans with Organometallic Reagents. Synthesis of 4‐(α,γ‐Dialkyl‐β‐4‐methoxyphenylallyl)resorcins.
37. ChemInform Abstract: The Reaction of β‐Aminoenones with Substituted Acetonitriles. Regiospecific Synthesis of 2(1H)‐Pyridones.
38. ChemInform Abstract: The Reaction of β-Amino Enones (I) with Cyanamide (II). A Highly Efficient Synthesis of 2-Aminopyrimidines (III).
39. ChemInform Abstract: Reaction of 4-Chlorocoumarin with Organometallic Reagents. Synthesis of Trialkylbenzopyrans, 4-Chlorobenzopyrans, 4-Alkylcoumarins and o- Hydroxyphenylprop-2-ynyl Alcohols.
40. ChemInform Abstract: A New Chiral Glycine Synthon. Synthesis, X-Ray Structure of (-)-(2S,4R) -2-Ethoxycarbonyl-4-phenyl-1,3-oxazolidine, and Diastereoselective Nucleophilic Ring Opening to (R)-Ethyl α-Amino Carboxylates.
41. ChemInform Abstract: Stereoselective Ring Opening of Chiral Oxazolidines by Reformatsky Reagents: An Enantioselective Entry to β-Amino Esters.
42. ChemInform Abstract: An Improved Synthesis of 2H-1,2,6-Thiadiazine 1,1-Dioxides by Condensation of β-Amino and β-Chloro α,β- Unsaturated Ketones with Sulfamides.
43. ChemInform Abstract: Nucleophilic Ring Opening of 3-Benzyl-1,3-oxazinanes by Reformatsky Reagents. A Synthesis of β-Amino Ester Derivatives.
44. ChemInform Abstract: Some Observations on the Regioselective Ring Opening of Tetrahydro-1,3- oxazinium Methiodides by Sodium Borohydride in Alcoholic and Ethereal Solvents.
45. ChemInform Abstract: Stereodivergent Synthesis of All Diastereomers of 4-Aminoheptane-3,5-diol from (L)-Serine.
46. ChemInform Abstract: Diastereoselective 5-exo-trig Radical Cyclization on N-Acryloyl- tetrahydro-1,3-oxazines. A Novel Approach to Enantiopure 3-Substituted Pyrrolidines.
47. ChemInform Abstract: A Diastereoselective Approach to Enantiopure 3-Substituted Pyrrolidines from Masked Lithium Homoenolates Derived from Norephedrine.
48. ChemInform Abstract: Synthesis of Enantiopure syn-β-Amino Alcohols. A Simple Case of Chelation-Controlled Additions of Diethylzinc to α-( Dibenzylamino) Aldehydes.
49. ChemInform Abstract: Synthesis of Enantiopure Primary Amines by Stereoselective Ring Opening of Chiral Octahydro-1,3-benzoxazines by Grignard and Organoaluminum Reagents.
50. ChemInform Abstract: Lithium Derivatives from Enantiomerically Pure 2-(2′-Haloethyl) Dioxolanes: Formation and Use as Chiral Propanal Homoenolate Synthons.
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