147 results on '"Katagiri N"'
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2. ChemInform Abstract: Synthesis of Nucleosides and Their Related Compounds. Part 18. 1,3- Dipolar Cycloaddition of Di-(1-menthyl) Benzylidenemalonate to Z-N,. alpha.-Diphenylnitrone: Explanation for Diastereoselectivity.
3. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 22. Carbocyclic Analogues of Thymidine and Related Compounds from 2-Azabicyclo(2.2.1) hept-5-en-3-ones.
4. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 17. Dialkyl 1,3- Dithietan- and 1,3-Dithiolan-2-ylidenemalonate S-Oxides: Equivalents to Dialkoxycarbonylketenes.
5. ChemInform Abstract: 3-Acetoxy-2-dimethylphosphonoacrylates. New Dienophiles and Their Use for the Synthesis of Carbocyclic C-Nucleoside Precursors by the Aid of RRA Reaction.
6. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 23. Synthesis and Anti-HIV Activity of 9-(c-4,t-5-Bis(hydroxymethyl)cyclopent-2-en-r-1- yl)-9H-adenine.
7. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 28. A Novel and Efficient Synthesis of 9-(c-4,6-t-Bishydroxymethylcyclopent-2-en-r-1- yl)-9H-adenine (BCA) Having Anti-HIV Activity from Norbornadiene.
8. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 30. Mitsunobu Reactions for the Synthesis of Carbocyclic Analogues of Nucleosides: Examination of the Regioselectivity.
9. ChemInform Abstract: Synthetic Studies on Highly Modified Nucleosides Derived Towards Creation of Anti-HIV Agents
10. ChemInform Abstract: Synthesis of Erythrina and Related Alkaloids. Part 40. Chiral Synthesis of Erythrina Alkaloids. Part 1. Total Synthesis of (+)- Erysotrine via Asymmetric Diels-Alder Reaction Under High Pressure.
11. ChemInform Abstract: A New Synthesis of Highly Functional Nitrones Through a Nitrosoketene Intermediate and Their Use for the Stereoselective Synthesis of Amino Acids.
12. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 37. Selective Protection of the Primary Hydroxyl Groups of Oxetanocin A and Conformationl Analysis of O-Protected Oxetanocin A.
13. ChemInform Abstract: The First Enantiomerically Pure Synthesis of (2S,1′S)-(Cyclopent-2- enyl)glycine by Boron Trifluoride Mediated Asymmetric 1,3-Dipolar Cycloaddition.
14. ChemInform Abstract: Efficient Synthesis of Carbovir and Its Congener via π- Allylpalladium Complex Formation by Ring Strain-Assisted C-N Bond Cleavage.
15. ChemInform Abstract: Synthesis of Chiral Spiro 3-Oxazolin-5-one 3-Oxides (Chiral Nitrones) via a Nitrosoketene Intermediate and Their Asymmetric 1,3-Dipolar Cycloaddition Reactions Leading to the EPC Synthesis of Modified Amino Acids.
16. ChemInform Abstract: Synthesis of Nucleosides and Their Related Compounds. Part 41. A Highly Efficient Synthesis of the Antiviral Agent (+)-Cyclaradine Involving the Regioselective Cleavage of Epoxide by Neighboring Participation.
17. ChemInform Abstract: Reaction of 5-Hydroxyimino-1,3-dioxine-4,6-dione (Isonitroso Meldrum′s Acid) with Carbodiimides to Give Parabanic Acids.
18. ChemInform Abstract: Methylation of 5-Isonitroso-1,3-dioxine-4,6-diones with Diazomethane and Some Reactions of Their Products.
19. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 42. Deamination of Cyclaradine by Adenosine Deaminase under High Pressure.
20. ChemInform Abstract: High Pressure in Enzyme-Catalyzed Organic Reactions
21. ChemInform Abstract: A Concise Access to 2-Allenylindole Derivatives Based on the Palladium Catalyzed Cross-Coupling Reaction of Indolylborates.
22. ChemInform Abstract: Synthesis of Nucleosides and Their Related Compounds. Part 43. Highly Regio‐ and Enantio‐selective Deacylation of Carbocyclic 3′,5′‐Di‐O‐acyloxetanocins by Lipases.
23. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 40. Hetero Diels‐ Alder Reaction of Benzenesulfonyl Cyanide with Cyclopentadiene Using Chiral Lewis Acids.
24. ChemInform Abstract: Synthesis of Chiral Cyclic Nitrones via a Nitrosoketene Intermediate and Their Use for the Complete EPC Synthesis of Nonproteinogenic Amino Acids.
25. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 38. Deamination of 9‐(Hydroxymethylated Cycloalkyl)‐9H‐adenines (Carbocyclic Adenine Nucleosides) by Adenosine Deaminase: Effect of High‐Pressure Upon Deamination Rate and Enantioselectivity.
26. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 38. Addition of Molecular Fluorine to 2‐Azabicyclo(2.2.1)hept‐5‐en‐3‐one and Related Compounds: Synthesis of Difluorinated Carbocyclic Nucleosides.
27. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 34. Synthesis of 5‐Isonitroso‐1,3‐dioxane‐4,6‐diones and Their Reactions.
28. ChemInform Abstract: Dimethyl 2‐(3,3‐Bis(methoxycarbonyl)bicyclo(2.2.1)hept‐5‐en‐2‐yl) malonate. Synthesis and Base‐Catalyzed C‐C Bond Cleavage Reaction.
29. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 35. Addition of Molecular Fluorine to Bicyclo(2.2.1)hept‐2‐ene Derivatives and Conversion to Fluorine‐Containing Carbocyclic Nucleosides.
30. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 33. Synthesis of 9‐(C‐5‐Hydroxy‐C‐4‐hydroxymethylcyclopent‐2‐en‐R‐1‐yl)‐9H‐adenine ((.+‐ .)‐Epinor‐BCA).
31. ChemInform Abstract: A Novel Synthesis of Cyclic Nitrones via a Nitrosoketene Intermediate.
32. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 32. The Alkylation of 2‐Amino‐6‐chloropurine with Alcohols by Mitsunobu Reaction for a Synthesis of Carbocyclic Guanosine Analogs.
33. ChemInform Abstract: Use of 1,3‐Dioxin‐4‐ones and Related Compounds in Synthesis. Part 38. Use of 1,3‐Dioxin‐4‐ones Having a Fluorine or Trifluoromethyl Group at the 5‐Position as π2 Components in (2 + 2)Photocycloaddition and Diels‐Alder Reactions.
34. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 26. The Difference in Effects Between High Pressure and LiClO4 for the Diels‐ Alder Reaction of Cyclopentadiene with Methylenemalonates or O‐ Acetylisonitrosomalonates.
35. ChemInform Abstract: Cycloadditions in Syntheses. Part 61. Use of 1,3‐Dioxin‐4‐ones and Related Compounds in Synthesis. Part 37. 5‐Trifluoromethyl‐1,3‐dioxin‐ 4‐ones as Versatile Building Blocks for Trifluoromethylated Aliphatic Compounds.
36. ChemInform Abstract: A New Method for the Stereoselective Synthesis of Nucleosides by Means of Sodium Borohydride Mediated Reductive C‐C or C‐N Bond Cleavage Reaction
37. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 20. Synthesis of Carbocyclic Nucleosides from 2‐Azabicyclo(2.2.1)hept‐5‐en‐3‐ones: Sodium Borohydride Mediated Carbon‐Nitrogen Bond Cleavage of Five‐ and Six‐Membered Lactams.
38. ChemInform Abstract: Chiral 2‐Vinyl‐1,3,2‐oxazaphospholin‐2‐ones: New Dienophiles for Asymmetric Diels‐Alder Reactions.
39. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 21. Synthesis of 9‐(t‐2,c‐3‐Dihydroxymethyl‐r‐1‐cyclopropyl)‐9H‐adenine (a Lower Methylene Homolog of Carbocyclic Oxetanocin) and Related Compounds.
40. ChemInform Abstract: Synthesis of Nucleosides and Their Related Compounds. Part 15. Cycloadditions in Syntheses. Part 44. Dimethyl rel‐(1S,2S,3R,4R)‐2‐(2,3‐Epoxy‐4‐hydroxymethylcyclopent‐1‐yl)malonate as a Novel Building Block for Carbocyclic Arabinosyl Nucleosides.
41. ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 14. Diels-Alder Reaction of Di-l-menthyl Acetoxymethylenemalonate with Cyclopentadiene: Effects of High Pressure and Catalysts Upon Asymmetric Induction.
42. ChemInform Abstract: A New Method for the Highly Stereoselective Synthesis of Nucleosides. Creation of New Dienophiles and Use of Reductive Retrograde Aldol Reaction
43. ChemInform Abstract: Novel Annelation Method to Pyridine and Isoquinoline by Photochemical Means.
44. ChemInform Abstract: Cycloadditions in Syntheses. Part 30. Photoaddition of 4(3H)‐Quinazolinone Derivatives to Olefins: Effects of the 2‐Substituent.
45. ChemInform Abstract: Cycloadditions in Syntheses. Part 37. Syntheses of 6-Trifluoromethyl-1,2,4-triazines and -1,2,4-triazin-5-ones and Their Pericyclic Reactions with Olefins.
46. ChemInform Abstract: Cycloadditions in Syntheses. Part 33. Practicable Synthesis of (1R,4R)- 5-(L-Menthoxy)-2-azabicyclo(2.2.0)hex-5-en-3-one and Its Derivatives: New Building Blocks for Carbapenem Nuclei.
47. ChemInform Abstract: High‐Pressure Mediated Diels‐Alder Reaction of Di‐l‐Menthyl Acetoxymethylenemalonate with Furan: Enantioselective Synthesis of β‐D‐Ribofuranosylmalonate, a Prospective Synthon for C‐Nucleosides.
48. ChemInform Abstract: Facile Synthesis of the Carbocyclic Analogue of β‐Ribofuranosylmalonate, New Synthon for Carbocyclic C‐Nucleoside Formation by Retrograde Aldol C‐C Bond Fission.
49. ChemInform Abstract: Cycloadditions in Syntheses. Part 31. (2 + 2)Photocycloaddition of 3‐Trifluoromethyl Derivatives of Quinoxalin‐2(1H)‐one and 1,4‐Benzoxazin‐2‐one to Olefins: Effects of the Trifluoromethyl Group.
50. ChemInform Abstract: Synthesis of Nucleosides and Their Related Compounds. Part 12. Menthyl 2,4-Dioxo-1,3-oxazine-5-carboxylates: New Dienophiles for the Asymmetric Diels-Alder Reaction Directed Towards Synthesis of Carbocyclic C-Nucleosides.
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