Publications prior to 1999

27. Chiang, Y.; Kresge, A.J.;  Popik, V.V.; Schepp, N.P., Rapport, Z. "The Acid Dissociation Constant of Triphenylethenthiol, a Simple Thioenol, and That of Its Oxygen-Enol Analog",  Can.J.Chem. 1998, 76, 657-61.

28. Chiang, Y; Jefferson, E.A.; Kresge, A.J.; Popik,V.V.; Xie, R.-Q. "Conjugate Addition of Water to α-Carbonyl Carbenes", J.Phys.Org.Chem. 1998, 11(8-9), 610-3.

29. Chiang, Y.; Kresge, A.J.;  Popik, V.V.; Schepp, N.P. “The Mandelic Acid Keto-Enol System in Aqueous Solution. Generation of the Enol by Hydration of Phenylhydroxyketene and Phenylcarboxycarbene”, J.Am.Chem.Soc. 1997, 119(42), 10203-12.

30. Andraos, J.; Chiang, Y.; Kresge, A.J.;  Popik, V.V. “Flash Photolysis of 10-Diazo-9(10H)-phenanthrenone in Aqueous Solution. Hydration of Fluorenylideneketene and the Fluorene-9-carboxylic Acid Keto-Enol System”,  J.Am.Chem.Soc. 1997,  119(36), 8417-24.

31. Chiang, Y.; Kresge, A.J.;  Nikolaev, V.A.; Popik, V.V. “The 2-Cyclopentanonecarboxylic Acid Keto-Enol System in Aqueous Solution. Generation of the Enol by Hydration of an Acylketene” J.Am.Chem.Soc. 1997, 119(46), 11183-90.

32. Kresge, A.J.;  Popik, V.V  “Unusual Acid-Catalyzed Cyclization of 2,4,6-Trimethoxydiazoacetophenone into 4,6-Dimethoxy-3(2H)-benzofyranone. Mechanisms of intramolecular vs Intermolecular Nucleophilic Displacement of Diazo Group in Protonated Diazo Ketones”, Electronic Conference on Heterocyclic Chemistry, June 1996, http://www.ch.ic.ac.uk/ectoc/echet96/papers/037/.

33. Chiang, Y.; Kresge, A.J.; Paine,S.W.; Popik, V.V. “Reactive Species: Ynols and Ynamines” J.Phys.Org.Chem. 1996, 9(6), 361-70.

34. Kresge,A.J.; Mathew,L.; Popik, V.V. “ Acid-Catalyzed Hydrolysis of  Phenyldiazoacetic Acid. Effect of an a-Diazo Group on Carboxylic Acid Acidity” J.Phys.Org.Chem. 1995, 8(8), 552-8.

35. Wang, J.L.; Toscano, J.; Platz, M.S.; Nikolaev, V.; Popic, V. "Dicarbomethoxycarbene. A Laser Flash Photolysis Study" J.Am.Chem.Soc. 1995, 117(20), 5477-83.

36. Kresge, A.J., Popik V.V. “Photochemical Wolff Rearrangement of Diazo Meldrum’s Acid and Corresponding Diazirine in Aqueous Solution. Generation of the Enol of an a-Oxocarboxylic Acid” Electronic Conference on Trends in Organic Chemistry, June 1995, http://www.ch.ic.ac.uk/ectoc/papers/popik.

37. Chiang,Y.; Kresge,A.J., Popik,V.V. “Flash Photolytic Generation and Study of Ynolate Ions and the Corresponding Ketenes in Aqueous Solution” J.Am.Chem.Soc. 1995, 117(36), 9165-71.

38. Popik,V.V. "Ethyl Diazoacetate" in: Encyclopedia of Reagents for Organic Synthesis, Ed. L.A.Paquette, Willey: Chichester, 1995,  2419-2421.

39. Popik,V.V. "Hypophosphorous Acid" in: Encyclopedia of Reagents for Organic Synthesis, Ed. L.A.Paquette, Willey: Chichester, 1995, 2790-2792.

40. Popik,V.V. "Lithium Trichloropalladate" in: Encyclopedia of Reagents for Organic Synthesis, Ed. L.A.Paquette, Willey: Chichester, 1995, 3179-3180.

41. Popik,V.V. "Nitogen Doxide" in: Encyclopedia of Reagents for Organic Synthesis, Ed. L.A.Paquette, Willey: Chichester, 1995, 3741-3742.

42. Andraos, J.; Kresge, A.J.; Popik,V.V. "Kinetics and Mechanism of the Isomerization of 1H-indene-1-carboxylic Acid to 1H-Indene-3-carboxylic Acid in Aqueous Solution and Determination of their Keto-Enol Equilibrium Constants and Acid Dissociation Constants of the Keto and Enol Forms. Implication on the Photolysis of Diazonaphthoquinones",  J.Am.Chem.Soc. 1994, 116(3), 961-7.

43. Toscano, J.P.; Platz, M.S.; Nikolaev, V.; Popic, V. "Carbethoxycarbene. A Laser Flash Photolytic Study", J.Am.Chem.Soc.  1994, 116(3), 8146-51.

44. Popik,V.V.; Nikolaev,V.A. "Thermal Stability and Structure of  Diazodiketones", J.Chem.Soc.Perkin Trans 2 1993, (10), 1791-3.

45. Nikolaev,V.A.; Popik,V.V. "Decomposition of 2-Diazo-1,3-diketones: Stereocontrol of the Mechanism" Tetrahedron Lett. 1992, 33, 4483-6.

46. Popik,V.V.; Nikolaev,V.A.; Korobitsyna,I.K. "Conformational Analysis of Sterically Hindered 2-Diazo-1,3-diketones" J.Org.Chem.USSR  1991, 27, 437 - 445.

47. Popic,V.V.; Korneev,S.M.; Nikolaev,V.A.; Korobitsyna,I.K. "Improved Synthesis of 2-Diazo-1,3-Diketones, Synthesis, 1991, 195-198.

48. Nikolaev,V.A.; Popik,V.V. "Conformational Equilibrium in Series of 2-Diazo-1,3-diketones" J.Org.Chem. USSR  1989, 25, 203-204.

49. Nikolaev, V.A.; Popik, V.V. "Dipole Moments and Structure of Acetyl Aroyl and Diaroyl Diazomethanes" J.Org.Chem. USSR  1989, 25, 913-921.

50. Popik,V.V.; Nikolaev,V.A. "Acylation of Ketones in The Presence of Crown Ether" J.Org.Chem. USSR 1989, 25, 1636-1637.