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Results: 1-25 |
Results: 25
peri-naphthylenediamines 31. Study of interconversions of 2,3-dihydroperimidines and 1,8-bis(dialkylamino) naphthalenes. Convenient synthesis of 1,2,2,3-tetramethyl-2,3-dihydroperimidine and a monoisopropyl analog of the "proton sponge"
Authors: Ozeryanskii, VA Filatova, EA Sorokin, VI Pozharskii, AF
Citation: Va. Ozeryanskii et al., peri-naphthylenediamines 31. Study of interconversions of 2,3-dihydroperimidines and 1,8-bis(dialkylamino) naphthalenes. Convenient synthesis of 1,2,2,3-tetramethyl-2,3-dihydroperimidine and a monoisopropyl analog of the "proton sponge", RUSS CHEM B, 50(5), 2001, pp. 846-853
peri-Naphthylenediamines 32. Reactions of 4,5-bis (dimethylamino)-1-naphthyllithium and 4,5-bis(dimethylamino)-1-naphthylmagnesium bromide with electrophilic agents. New representatives of double naphthalene "proton sponges"with the structures of 1,1 '-binaphthyl ketone and 1,1 '-binaphthylmethanol
Authors: Ryabtsova, OV Pozharskii, AF Ozeryanskii, VA Vistorobskii, NV
Citation: Ov. Ryabtsova et al., peri-Naphthylenediamines 32. Reactions of 4,5-bis (dimethylamino)-1-naphthyllithium and 4,5-bis(dimethylamino)-1-naphthylmagnesium bromide with electrophilic agents. New representatives of double naphthalene "proton sponges"with the structures of 1,1 '-binaphthyl ketone and 1,1 '-binaphthylmethanol, RUSS CHEM B, 50(5), 2001, pp. 854-859
peri-Naphthylenediamines 33. Further studies of the reactions of 1,8-bis(dimethylamino)naphthalene with trifluoroacetic anhydride
Authors: Romanova, EY Pozharskii, AF Borodkin, GS
Citation: Ey. Romanova et al., peri-Naphthylenediamines 33. Further studies of the reactions of 1,8-bis(dimethylamino)naphthalene with trifluoroacetic anhydride, RUSS CHEM B, 50(5), 2001, pp. 860-864
Unexpected result of perimidine cinnamoylation under conditions of Friedel-Krafts reaction
Authors: Demidov, OP Borovlev, IV Pozharskii, AF
Citation: Op. Demidov et al., Unexpected result of perimidine cinnamoylation under conditions of Friedel-Krafts reaction, KHIM GETERO, (8), 2001, pp. 1136-1137
Heterocyclic analogues of pleiadiene. 68. Unusually slow in NMR time scaleannular protothropy in 6(7)-formyl- and 6(7)-acetyl-2-trifluoromethylperimidines
Authors: Pozharskii, AF Filatova, EA Borovlev, IV Vistorobskii, NV
Citation: Af. Pozharskii et al., Heterocyclic analogues of pleiadiene. 68. Unusually slow in NMR time scaleannular protothropy in 6(7)-formyl- and 6(7)-acetyl-2-trifluoromethylperimidines, KHIM GETERO, (6), 2001, pp. 796-806
Synthesis and oxidation of 1,3-diamino- and 3-azido-1-aminoindatoles
Authors: Dyablo, OV Pozharskii, AF Kuzmenko, VV Kolesnichenko, MA
Citation: Ov. Dyablo et al., Synthesis and oxidation of 1,3-diamino- and 3-azido-1-aminoindatoles, KHIM GETERO, (5), 2001, pp. 619-625
Changes in regioselectivity of perimidine reaction with cinnamic acid in relation to PPA concentration
Authors: Demidov, OP Borovlev, IV Pozharskii, AF
Citation: Op. Demidov et al., Changes in regioselectivity of perimidine reaction with cinnamic acid in relation to PPA concentration, KHIM GETERO, (1), 2001, pp. 133-134
6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione: a novel method of pyrrole-ring annulation to an azine nucleus based on a tandem S-N(H)-S-N(H)process
Authors: Gulevskaya, AV Besedin, DV Pozharskii, AF Starikova, ZA
Citation: Av. Gulevskaya et al., 6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione: a novel method of pyrrole-ring annulation to an azine nucleus based on a tandem S-N(H)-S-N(H)process, TETRAHEDR L, 42(34), 2001, pp. 5981-5983
peri-naphthylenediamines 29. 1,8-bis(dimethylamino)-3-nitro- and-3,6-dinitronaphthalenes and 5,6-bis(dimethylamino)-3-nitro- and-3,8-dinitroacenaphthenes as the first representatives of "proton sponges" meta-substituted relative to NMe2 groups
Authors: Ozeryanskii, VA Pozharskii, AF
Citation: Va. Ozeryanskii et Af. Pozharskii, peri-naphthylenediamines 29. 1,8-bis(dimethylamino)-3-nitro- and-3,6-dinitronaphthalenes and 5,6-bis(dimethylamino)-3-nitro- and-3,8-dinitroacenaphthenes as the first representatives of "proton sponges" meta-substituted relative to NMe2 groups, RUSS CHEM B, 49(8), 2000, pp. 1399-1405
peri-naphthylenediamines 30. 1,2,8-tris(dimethylamino)naphthalene and someother 2-amino derivatives of "proton sponge"
Authors: Ozeryanskii, VA Pozharskii, AF
Citation: Va. Ozeryanskii et Af. Pozharskii, peri-naphthylenediamines 30. 1,2,8-tris(dimethylamino)naphthalene and someother 2-amino derivatives of "proton sponge", RUSS CHEM B, 49(8), 2000, pp. 1406-1408
peri-naphthylenediamines. 28. Nitration of 1,8-bis(dimethylamino)naphthalene and 5,6-bis(dimethylamino)acenaphthene in neutral and weakly acidic media. The first case of isolation of o-nitro and o,o '-dinitro derivatives of "proton sponges"
Authors: Ozeryanskii, VA Pozharskii, AF Vistorobskii, NV
Citation: Va. Ozeryanskii et al., peri-naphthylenediamines. 28. Nitration of 1,8-bis(dimethylamino)naphthalene and 5,6-bis(dimethylamino)acenaphthene in neutral and weakly acidic media. The first case of isolation of o-nitro and o,o '-dinitro derivatives of "proton sponges", RUSS CHEM B, 49(7), 2000, pp. 1212-1217
peri-Naphthylenediamines - 27. Transformations of tertiary carbocations stabilized by the 4,5-bis(dimethylamino)-1-naphthyl group
Authors: Pozharskii, AF Ryabtsova, OV Vistorobskii, NV Starikova, ZA
Citation: Af. Pozharskii et al., peri-Naphthylenediamines - 27. Transformations of tertiary carbocations stabilized by the 4,5-bis(dimethylamino)-1-naphthyl group, RUSS CHEM B, 49(6), 2000, pp. 1097-1102
2-Trifluoromethylperimidines with electron-withdrawing groups at the 6(7)-position: a case of extremely hindered annular prototropy
Authors: Filatova, EA Borovlev, IV Pozharskii, AF Starikov, ZA Vistorobskii, NV
Citation: Ea. Filatova et al., 2-Trifluoromethylperimidines with electron-withdrawing groups at the 6(7)-position: a case of extremely hindered annular prototropy, MENDELEEV C, (5), 2000, pp. 178-180
Reaction of 6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione with alpha,omega-diamines as the first example of tandem nucleophilic substitutionin neutral azines
Authors: Besedin, DV Gulevskaya, AV Pozharskii, AF
Citation: Dv. Besedin et al., Reaction of 6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione with alpha,omega-diamines as the first example of tandem nucleophilic substitutionin neutral azines, MENDELEEV C, (4), 2000, pp. 150-150A
A H-1, C-13 and N-15 NMR investigation of three substituted DMAN derivatives and their monoprotonated salts
Authors: Pietrzak, M Stefaniak, L Pozharskii, AF Ozeryanskii, VA Nowicka-Scheibe, J Grech, E Webb, GA
Citation: M. Pietrzak et al., A H-1, C-13 and N-15 NMR investigation of three substituted DMAN derivatives and their monoprotonated salts, J PHYS ORG, 13(1), 2000, pp. 35-38
Purines, pyrimidines, and condensed systems on their bases. 17. Interaction of 3-chloro-6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione with C-nucleophiles
Authors: Gulevskaya, AV Goryunenko, VV Pozharskii, AF
Citation: Av. Gulevskaya et al., Purines, pyrimidines, and condensed systems on their bases. 17. Interaction of 3-chloro-6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione with C-nucleophiles, KHIM GETERO, (8), 2000, pp. 1113-1118
Pyrrolopyrimidines. 4. Convenient method of preparation of 6-(2-aminovinyl)-5-nitropyrimidines and their transformation to pyrrolo[3,2-d]pyrimidines
Authors: Tkachenko, YN Tsupak, EB Pozharskii, AF
Citation: Yn. Tkachenko et al., Pyrrolopyrimidines. 4. Convenient method of preparation of 6-(2-aminovinyl)-5-nitropyrimidines and their transformation to pyrrolo[3,2-d]pyrimidines, KHIM GETERO, (3), 2000, pp. 368-371
Purines, pyrimidines and condensed systems on their bases. 18. Interactionof 6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione N-(2)-oxide withalkylamines
Authors: Besedin, DV Gulevskaya, AV Pozharskii, AF
Citation: Dv. Besedin et al., Purines, pyrimidines and condensed systems on their bases. 18. Interactionof 6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione N-(2)-oxide withalkylamines, KHIM GETERO, (10), 2000, pp. 1403-1408
Some properties of 1-(nitrophenyl)aminobenzimidazoles
Authors: Dyablo, OV Pozharskii, AF Shkurupii, NN
Citation: Ov. Dyablo et al., Some properties of 1-(nitrophenyl)aminobenzimidazoles, KHIM GETERO, (1), 2000, pp. 42-44
Synthesis and properties of 5,6-bis(dimethylamino) acenaphthylene: The first proton sponge with easily-modified basicity
Authors: Ozeryanskii, VA Pozharskii, AF Milgizina, GR Howard, ST
Citation: Va. Ozeryanskii et al., Synthesis and properties of 5,6-bis(dimethylamino) acenaphthylene: The first proton sponge with easily-modified basicity, J ORG CHEM, 65(22), 2000, pp. 7707-7709
peri-Naphthylenediamines - 26. Unexpected formation of naphtho[1,8-c,d]pyran derivatives in the reaction of 1,8-bis(dimethylamino) naphthalene with trifluoroacetic anhydride. A new type of double naphthalene "proton sponges"
Authors: Pozharskii, AF Tregub, NG Vistorobskii, NV Romanova, EY Starikova, ZA Yanovsky, AI
Citation: Af. Pozharskii et al., peri-Naphthylenediamines - 26. Unexpected formation of naphtho[1,8-c,d]pyran derivatives in the reaction of 1,8-bis(dimethylamino) naphthalene with trifluoroacetic anhydride. A new type of double naphthalene "proton sponges", RUSS CHEM B, 48(7), 1999, pp. 1299-1309
Purines, pyrimidines, and fused systems based on them 16. Oxidative amination of 6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione
Authors: Gulevskaya, AV Besedin, DV Pozharskii, AF
Citation: Av. Gulevskaya et al., Purines, pyrimidines, and fused systems based on them 16. Oxidative amination of 6,8-dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione, RUSS CHEM B, 48(6), 1999, pp. 1150-1153
Structure and IR spectroscopic behaviour of 2,7-dichloro-1,8-bis(dimethylamino)naphthalene and its protonated form
Authors: Glowiak, T Majerz, I Malarski, Z Sobczyk, L Pozharskii, AF Ozeryanskii, VA Grech, E
Citation: T. Glowiak et al., Structure and IR spectroscopic behaviour of 2,7-dichloro-1,8-bis(dimethylamino)naphthalene and its protonated form, J PHYS ORG, 12(12), 1999, pp. 895-900
Synthesis of 2-azido-1-methylaminobenzimidazole
Authors: Dyablo, OV Pozharskii, AF
Citation: Ov. Dyablo et Af. Pozharskii, Synthesis of 2-azido-1-methylaminobenzimidazole, KHIM GETERO, (10), 1999, pp. 1404-1406
Reactivity of condensed azinouracils towards nucleophiles
Authors: Gulevskaya, AV Pozharskii, AF
Citation: Av. Gulevskaya et Af. Pozharskii, Reactivity of condensed azinouracils towards nucleophiles, TARGETS IN HETEROCYCLIC SYSTEMS, VOL 2 (1998), 1999, pp. 101-150
Risultati: 1-25 |