Half-Page Review

This review introduces unfamiliar reagents or reactions encountered during Sat group meeting.

91. t-Butyl Group for Protection of Aromatic Rings

90. Masked 2-Cyclohexene-1,4-dione
89. Homologation of Alkynes to Allenes - Crabbe Method
88. Bargellini Reaction
87. Hydrolysis of Amide via Nitrosamide

86. Orthoester Protecting Group for Carboxylic Acid

85. a-Chloroethyl Chloroformate (ACE-Cl)

84. Petasis Condensation

83. Martin Sulfurane - Dehydration Reagent

82. Negishi's Zirconium-Mediated Carboalumination

81. Stereoselective Alkylation of Enolates

80. Allyl Carbamates by Aza-Ene Reaction

79. Dicobalt Octacarbonyl - Nicholas and Pauson-Khand Reaction

78. Perseleninic Acid - Baeyer-Villiger Reaction
77. Preparation of Sulfur Diimide

76. Reaction of SO2 with Diene - Formation of Sulfolene and Sultine

75. Keteneylidenetriphenylphosphorane and Synthesis of Tetronic Acid

74. 1,2-Anti-Diamine Synthesis - Sulfur Diimide

73. TosMIC, p-Toluenesulfonylmethyl Isocyanide

72. Bromo-Wittig Reagents

71. Fremy's Salt

70. Grieco Oxidation of Protected Lactol to Lactone

69. MT-Sulfone

68. Baeyer-Villiger Oxidation

67. Bicyclopropylidine - Kulinkovich Reaction

66. Thiourea - Synthetic Equivalent of H2S

65. Bullvalene

64. Preparation of Lawesson's Reagent
63. S vs. O-Nucleophilicity of Thiocarboxylate
62. Paterno-Buchi Reaction

61. Ketone to Enone Homologation

60. Triazone Protection of Primary Amines

59. TiCl3: Reduction of Nitro Groups to Ketones

58. Forster Reaction: a-Diazo Ketone Synthesis

57. Amide Hydrolysis (Eschenmoser Reagent)
56. Reactions of alpha-Chloronitrone (Eschenmoser Reagent)

55. Synthesis of Cubanone

54. Conversion of 1,2-Diol to Olefin

53. Preparation of 1,3,4-Oxadiazoles

52. Kraus Oxidation (NaClO₂)

51. Preparation of SAMP

50. Diastereoselective Aldol Reaction (Masamune-Abiko)

49. Absolute Configuration of Chiral Allenes

48. Dicyclohexylboron Triflate (Cy₂BOTf)

47. tert-Butyldimethylsilyl Trifluoromethanesulfonate (TBSOTf)

46. Burgess Reagent

45. Weinreb Amide

44. Brown Asymmetric Crotylation

43. Brown Asymmetric Allylation

42. (-)-B-Methoxydiisopinocampheylborane

41. Phenolic Ether Deprotection by B(C₆F₆)₃/Et₃SiH

40. Dess-Martin Periodinane

39. Mander’s Reagent

38. Takai Reaction

37. Ozonolysis: Ester Formation

36. Synthesis of 2-Amidoacrolein

35. Aziridinylimines as Masked Diazo Compounds

34. FeCl₃-Mediated Radical Reaction

33. Synthesis of Azetidine

32. Meinwald Rearrangement

31. Synthesis of Cyclopropenone Ketals

30. Fluorosilicic Acid (H₂SiF₆)

29. Cyclopropenone

28. Aziridine from Ketoxime by LAH Reduction

27. Synthesis of Amidine

26. [Rh(CO)₂Cl]₂

25. Grubbs Olefin Metathesis Catalyst Preparation

24. Vinyl Amidothiostannane Reagent

23. Zirconocene Cyclodimerization of Alkenes and Alkynes

22. Vinyl Nitroso Compound

21. Nitrile Oxide

20. Photosensitizer

19. Nicholas Reaction

18. Vinylphosphonium Salt

17. Oppenauer Oxidation and Meerwein-Ponndorf-Verley Reduction

16. Synthesis of Cis and Trans Vinyl Halides from Terminal Alkynes

15. Synthesis of (S)-(+)-Wieland Miescher Ketone

14. Rhodium Catalyzed Decomposition of b-Acetoxy a-Diazo Carbonyl Compounds

13. Synthesis of Pyridine

12. Meerwin Salt Preparation

11. Oxy-Vinylcyclopropane Rearrangement

10. Vanadyl Bis(acetylacetonate)

9. Preparation of Diazomethane, CH₂N₂

8. Thiocarbonyl Ylide Formation

7. Formation of Rhodum Carbenoid

6. Pd (II) Reduction to Pd (0)

5. Dimethyl(methylthio)sulfonium Tetrafluoroborate

4. MoO₅-HMPA-Py

3. Oxone

2. Triethyl Orthoformate Formation

1. Succinimidy Diazoacetate