37 results on '"Crotti, Paolo"'
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2. Carba-d,l-allal- and -d,l-galactal-derived vinyl N-nosyl aziridines as useful tools for the synthesis of 4-deoxy-4-(N-nosylamino)-2,3-unsaturated-5a-carbasugars
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3. Stereoselective synthesis of d-galactal-derived N-ethoxycarbonyl aziridine, as a new, improved synthetic protocol to glycal-derived N-activated vinyl aziridines
4. Regio- and stereoselective behavior of l-arabinal-derived vinyl epoxide in nucleophilic addition reactions. Comparison with conformationally restricted d-galactal-derived analogs
5. Synthesis of 6-deoxy-N-Cbz-d,l-iminoglycal-derived vinyl epoxides and examination of their regio- and stereoselectivity in nucleophilic addition reactions
6. Synthesis of carba analogs of 6- O-(benzyl)- d-allal- and - d-galactal-derived allyl epoxides and evaluation of the regio- and stereoselective behavior in nucleophilic addition reactions
7. Aminolysis of glycal-derived allyl epoxides and activated aziridines. Effects of the absence of coordination processes on the regio- and stereoselectivity
8. Synthesis of diastereoisomeric 6-deoxy- d-allal- and 6-deoxy- d-galactal-derived allyl epoxides and examination of the regio- and stereoselectivity in nucleophilic addition reactions. Comparison with the corresponding 6- O-functionalized allyl epoxides
9. Regiochemical control of the ring-opening of aziridines by means of chelating processes. Part 4: Regioselectivity of the opening reactions with MeOH of 1-(benzyloxy)-2,3- and -3,4- N-(methoxycarbonyl)aziridoalkanes under condensed and gas-phase operating conditions
10. N-Nosyl as a stereoselectivity-improving and easily removable group in the O-glycosylation of d-allal and d-galactal-derived allyl aziridines. Stereospecific synthesis of 4-amino-2,3-unsaturated- O-glycosides
11. Regiochemical control of the ring opening of 1,2-epoxides by means of chelating processes. Part 18: Regioselectivity of the opening reactions with MeOH of 1-(benzyloxy)-2,3- and -3,4-epoxyalkanes under condensed and gas phase operating conditions
12. Regiochemical control of the ring opening of 1,2-epoxides by means of chelating processes. Part 15: Regioselectivity of the opening reactions with MeOH of remote O-substituted regio- and diastereoisomeric pyranosidic epoxides under condensed- and gas-phase operating conditions
13. Regiochemical control of the ring opening of aziridines by means of chelating processes. Part 3: Regioselectivity of the opening reactions with methanol of remote O-substituted regio- and diastereoisomeric activated aziridines under condensed- and gas-phase operating conditions
14. Regiochemical control of the ring opening of 1,2-epoxides by means of chelating processes. Part 17: Synthesis and opening reactions of cis- and trans-oxides derived from (2 S,6 R)-2-benzyloxy-6-methyl-3,6-dihydro-2 H-pyran, (2 R,6 R)- and (2 S,6 R)-2-methoxy-6-methyl-5,6-dihydro-2 H-pyran
15. Stereo- and regioselectivity of cyclization reactions in conformationally restricted epoxy ketones: evaluation of C- versus O-alkylation process
16. Regiochemical Control of the Ring Opening of 1,2-Epoxides by Means of Chelating Processes. Part 14: Regioselectivity of the Opening Reactions with MeOH of Remote O-Substituted 1,2-Epoxycyclohexanes under Gas-Phase Operating Conditions
17. Regio- and stereoselectivity in the cyclization of enolates derived from 4,5-, 5,6-, and 6,7-epoxy-1-phenyl-1-alkanones. Competition between C- and O-alkylation
18. Carba- d , l -allal- and - d , l -galactal-derived vinyl N -nosyl aziridines as useful tools for the synthesis of 4-deoxy-4-( N -nosylamino)-2,3-unsaturated-5 a -carbasugars
19. Regiochemical control of the ring opening of 1,2-epoxides by means of chelating processes. 6. Opening reactions of 3,4-epoxytetrahydropyran
20. Regiochemical control of the ring opening of 1,2-epoxides by means of chelating processes. Part 17: Synthesis and opening reactions of cis- and trans-oxides derived from (2S,6R)-2-benzyloxy-6-methyl-3,6-dihydro-2H-pyran, (2R,6R)- and (2S,6R)-2-methoxy-6-methyl-5,6-dihydro-2H-pyran
21. Corrigendum to “Stereo- and regioselectivity of cyclization reactions in conformationally restricted epoxy ketones: evaluation of C- versus O-alkylation process”[Tetrahedron 57 (2001) 8559–8557]
22. Improved stereoselective synthesis of both methyl α- and β-glycosides corresponding to the amino sugar component of the E Ring of calicheamicin γ1I and esperamicin A1
23. Regiochemical control of the ring opening of aziridines by means of chelating processes. 2. Synthesis and ring-opening reactions of aziridines derived from 5,6-dihydro-2H-pyran and of the diastereoisomeric cis- and trans-aziridines derived from 3-(benzyloxy)cyclohexene, 2-(benzyloxy)-3,6-dihydro-, and 2-(benzyloxy)-6-methyl-3,6-dihydro-2H-pyran
24. Regiochemical control of the ring opening of 1,2-Epoxides by means of chelating processes. 11. Ring opening reactions of aliphatic mono- and difunctionalized cis and trans 2,3- and 3,4-Epoxy Esters
25. Regiochemical control of the ring opening of 1:2-epoxides by means of chelating processes. 10. Synthesis and ring opening reactions of mono- and difunctionalized cis and trans aliphatic oxirane systems
26. Regiochemical control of the ring opening of 1,2-epoxides by means of chelating processes.9. Synthesis and ring opening reactions of cis- and trans-oxides derived from 3-(benzyloxymethyl)cyclopentene and methyl 2-cyclopenten-1-carboxylate 1
27. Regiochemical control of the ring opening of 1,2-epoxides by means of chelating processes. 8. Synthesis and ring opening reactions of cis- and trans- oxides derived from 3-benzyloxycyclohexene and 2-benzyloxy-5,6-dihydro-2H-pyran
28. Aromatic substituent effect on the stereoselectivity of the gas-phase acid-induced ring opening in 9,10-oxides derived from trans-1,2,3,4,4a,10a-hexahydrophenanthrene
29. Practical, asymmetric synthesis of the cyclohexyl C28-C34 fragment of the immunosuppressant FK-506 via (S)-(−)-3-cyclohexenecarboxylic acid
30. Regio- and Stereoselective Synthesis of β-Halohydrins from 1,2-Epoxides with Ammonium Halides in the Presence of Metal Salts
31. Gas-phase acid-induced ring opening in diastereoisomeric 9,10-oxides derived from trans-1,2,3,4,4a,10a-hexahydrophenanthrene
32. Substituent effect on the diasterloselectivity of the acid hydrolysis and trichloroacetolysis of 9,10-oxides derived from -1, 2, 3, 4, 4a,
33. Practical, asymmetric synthesis of the cyclohexyl C 28-C 34 fragment of the immunosuppressant FK-506 via ( S)-(−)-3-cyclohexenecarboxylic acid
34. Substituent effect on the diasterloselectivity of the acid hydrolysis and trichloroacetolysis of 9,10-oxides derived from [formula omitted]-1, 2, 3, 4, 4a,
35. Regiochemical control of the ring opening of 1,2-epoxides by means of chelating processes. 8. Synthesis and ring opening reactions of cis- and trans- oxides derived from 3-benzyloxycyclohexene and 2-benzyloxy-5,6-dihydro-2 H-pyran
36. Aromatic substituent effect on the stereoselectivity of the condensed- and gas-phase acid-induced methanolysis in 2-aryloxiranes derived from 3,4-dihydronaphthalene and trans-1,2,3,4,4a,10a-hexahydrophenanthrene bearing a tertiary benzylic oxirane nucleophilic centre
37. Regiochemical control of the ring opening of aziridines by means of chelating processes. 2. Synthesis and ring-opening reactions of aziridines derived from 5,6-dihydro-2 H-pyran and of the diastereoisomeric cis- and trans-aziridines derived from 3-(benzyloxy)cyclohexene, 2-(benzyloxy)-3,6-dihydro-, and 2-(benzyloxy)-6-methyl-3,6-dihydro-2 H-pyran
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