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1

Synthesis of Tropane Alkaloids via Enantioselective Deprotonation of Tropinone

Majewski, Marek, Lazny, Ryszard

Journal:

Journal of Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 822 KB

english, 1995

2

ChemInform Abstract: Synthesis of Tropane Alkaloids via Enantioselective Deprotonation of Tropinone.

M. MAJEWSKI, R. LAZNY

Journal:

Year:

1996

File:

PDF, 29 KB

1996

3

Asymmetric Solid-Phase Alkylation of Ketones Immobilized via SAMP Hydrazone Analogue Linkers

Lazny, Ryszard, Nodzewska, Aneta, Zabicka, Beata

Journal:

Journal of Combinatorial Chemistry

Year:

2008

Language:

english

File:

PDF, 265 KB

english, 2008

4

ChemInform Abstract: Synthesis of the Host-Selective Phytotoxin Destruxin B. Avoiding Diketopiperazine Formation from an N-Methyl Amino Acid Dipeptide by Use of the Boc-Hydrazide Derivative.

D. E. WARD, R. LAZNY, M. S. C. PEDRAS

Journal:

Year:

1997

File:

PDF, 26 KB

1997

5

ChemInform Abstract: Enantioselective Ring Opening of Tropinone. A New Entry into Tropane Alkaloids.

M. MAJEWSKI, R. LAZNY, A. ULACZYK

Journal:

Year:

1997

File:

PDF, 30 KB

1997

6

ChemInform Abstract: Mild, Racemization-Free Cleavage of Ketone SAMP-Hydrazones with Oxalic Acid — Recycling of the Chiral Auxiliary.

D. ENDERS, T. HUNDERTMARK, R. LAZNY

Journal:

Year:

1998

File:

PDF, 33 KB

1998

7

ChemInform Abstract: Efficient N—N Bond Cleavage of Chiral Trisubstituted Hydrazines with BH3×THF.

D. ENDERS, R. LOCHTMAN, M. MEIERS, S. MUELLER, R. LAZNY

Journal:

Year:

1999

File:

PDF, 34 KB

1999

8

ChemInform Abstract: Copper(II) Chloride Mediated Racemization-Free Hydrolysis of α-Alkylated Ketone SAMP-Hydrazones.

Dieter Enders, Thomas Hundertmark, Ryszard Lazny

Journal:

Year:

1999

File:

PDF, 33 KB

1999

9

ChemInform Abstract: Triazenes: A Useful Protecting Strategy for Sensitive Secondary Amines.

Ryszard Lazny, Janusz Poplawski, Johannes Koebberling, Dieter Enders, Stefan Braese

Journal:

Year:

1999

File:

PDF, 29 KB

1999

10

ChemInform Abstract: Application of Triazenes for Protection of Secondary Amines.

Ryszard Lazny, Michal Sienkiewicz, Stefan Braese

Journal:

Year:

2001

File:

PDF, 35 KB

2001

11

ChemInform Abstract: Probing Host-Selective Phytotoxicity: Synthesis of Destruxin B and Several Natural Analogues.

Dale E. Ward, Yuanzhu Gai, Ryszard Lazny, M. Soledade C. Pedras

Journal:

Year:

2002

File:

PDF, 27 KB

2002

12

ChemInform Abstract: Aldol Reactions of Nortropinone Derivatives in Solution and on Solid Phase.

Ryszard Lazny, Aneta Nodzewska, Michal Sienkiewicz

Journal:

Year:

2010

File:

PDF, 21 KB

2010

13

ChemInform Abstract: Hydrazone Linker Units

Journal:

Year:

2010

File:

PDF, 14 KB

2010

14

ChemInform Abstract: Spontaneous and Diastereoselective Aldol Reactions of Cyclic β-Amino Ketones in the Presence of Water.

Ryszard Lazny, Aneta Nodzewska, Iwona Tomczuk

Journal:

Year:

2012

File:

PDF, 34 KB

2012

15

Effect of lithium salts on enantioselective deprotonation of cyclic ketones

Marek Majewski, Ryszard Lazny, Pawel Nowak

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 240 KB

english, 1995

16

A new strategy for synthesis of polymeric supports with triazene linkers

Ryszard Lazny, Aneta Nodzewska, Piotr Klosowski

Journal:

Year:

2004

Language:

english

File:

PDF, 541 KB

english, 2004

17

Enantioselective route to ferrugine and its methyl analogue via aldol deoxygenation

Michal Sienkiewicz, Urszula Wilkaniec, Ryszard Lazny

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 264 KB

english, 2009

18

Corrigendum to “Enantioselective route to ferrugine and its methyl analogue via aldol deoxygenation” [Tetrahedron Lett. 50 (2009) 7196]

Michal Sienkiewicz, Urszula Wilkaniec, Ryszard Lazny

Journal:

Tetrahedron Letters

Year:

2010

Language:

english

File:

PDF, 99 KB

english, 2010

19

Synthesis of pyranotropanes via enantioselective deprotonation strategy

Marek Majewski, Ryszard Lazny

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 279 KB

english, 1994

20

Synthesis of polymeric supports with spacer-modified triazene linkers: aldol and Grignard reactions of immobilized nortropinone

Ryszard Lazny, Aneta Nodzewska

Journal:

Tetrahedron Letters

Year:

2003

Language:

english

File:

PDF, 242 KB

english, 2003

21

Synthesis of the host-selective phytotoxin destruxin B. Avoiding diketopiperazine formation from an N-methyl amino acid dipeptide by use of the Boc-hydrazide derivative

Dale E. Ward, Ryszard Lazny, M.Soledade C. Pedras

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 269 KB

english, 1997

22

Triazenes as robust and simple linkers for amines in solid-phase organic synthesis

Stefan Bräse, Johannes Köbberling, Dieter Enders, Ryszard Lazny, Mingfei Wang, Siegfried Brandtner

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 197 KB

english, 1999

23

Application of triazenes for protection of secondary amines

Ryszard Lazny, Michal Sienkiewicz, Stefan Bräse

Journal:

Year:

2001

Language:

english

File:

PDF, 152 KB

english, 2001

24

ChemInform Abstract: Stereoselective Synthesis of Tropane Alkaloids: Physoperuvine and Dihydroxytropanes.

M. MAJEWSKI, R. LAZNY

Journal:

Year:

1996

File:

PDF, 29 KB

1996

25

Diastereo- and enantioselective aldol reaction of granatanone (pseudopelletierine)

Ryszard Lazny, Karol Wolosewicz, Paulina Zielinska, Zofia Urbanczyk-Lipkowska, Przemyslaw Kalicki

Journal:

Year:

2011

Language:

english

File:

PDF, 534 KB

english, 2011

26

Spontaneous and diastereoselective aldol reactions of cyclic β-amino ketones in the presence of water

Ryszard Lazny, Aneta Nodzewska, Iwona Tomczuk

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 248 KB

english, 2011

27

N,N-Dialkylhydrazones in Organic Synthesis. From Simple N,N-Dimethylhydrazones to Supported Chiral Auxiliaries

Lazny, Ryszard, Nodzewska, Aneta

Journal:

Chemical Reviews

Year:

2010

Language:

english

File:

PDF, 3.49 MB

english, 2010

28

Determination of the N-methyl stereochemistry in tropane and granatane derivatives in solution: a computational and NMR spectroscopic study

Ryszard Lazny, Artur Ratkiewicz, Aneta Nodzewska, Anna Wynimko, Leszek Siergiejczyk

Journal:

Year:

2012

Language:

english

File:

PDF, 276 KB

english, 2012

29

Pharmacokinetics and Distribution of Ribonuclease and its Monomethoxypoly(Ethylene Glycol) Derivatives in Rats

M. Láznı́ček, O. Schiavon, P. Caliceti, F.M. Veronese

Journal:

Pharmacological Research

Year:

1993

File:

PDF, 265 KB

1993

30

Approaches to the enantioselective synthesis of ferrugine and its analogues

Ryszard Lazny, Michal Sienkiewicz, Tomasz Olenski, Zofia Urbanczyk-Lipkowska, Przemyslaw Kalicki

Journal:

Year:

2012

Language:

english

File:

PDF, 517 KB

english, 2012

31

Solid-phase Synthesis of Tertiary N- Methyl Amines Including Tropanes

Sienkiewicz, Michal, Lazny, Ryszard

Journal:

Journal of Combinatorial Chemistry

Year:

2010

Language:

english

File:

PDF, 549 KB

english, 2010

32

An expedient preparation of amine-free lithium enolates using immobilized amide reagents

Lazny, Ryszard, Wolosewicz, Karol

Journal:

Tetrahedron Letters

Year:

2013

Language:

english

File:

PDF, 472 KB

english, 2013

33

Synthesis and isomer distribution of 2-alkyltropinones and 2-alkylgranatanones

Lazny, Ryszard, Wolosewicz, Karol, Ratkiewicz, Artur, Pioro, Damian, Stocki, Marcin

Journal:

Year:

2014

Language:

english

File:

PDF, 633 KB

english, 2014

34

A DFT study of the origins of the stereoselectivity in the aldol reaction of bicyclic amino ketones in the presence of water

Lazny, Ryszard, Ratkiewicz, Artur, Nodzewska, Aneta, Wysocka, Joanna

Journal:

Tetrahedron Letters

Year:

2012

Language:

english

File:

PDF, 412 KB

english, 2012

35

Copper(II) Chloride Mediated Racemization-Free Hydrolysis of α-Alkylated Ketone Samp-Hydrazones

Enders, Dieter, Hundertmark, Thomas, Lazny, Ryszard

Journal:

Synthetic Communications

Year:

1999

Language:

english

File:

PDF, 253 KB

english, 1999

36

Strategy for the Synthesis of Polymeric Supports with Hydrazone Linkers for Solid-Phase Alkylation of Ketones and Aldehydes

Lazny, Ryszard, Nodzewska, Aneta, Sienkiewicz, Michal, Wolosewicz, Karol

Journal:

Journal of Combinatorial Chemistry

Year:

2005

Language:

english

File:

PDF, 274 KB

english, 2005

37

Probing Host-Selective Phytotoxicity: Synthesis of Destruxin B and Several Natural Analogues

Ward, Dale E., Gai, Yuanzhu, Lazny, Ryszard, Pedras, M. Soledade C.

Journal:

Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 137 KB

english, 2001

38

Environmentally benign diastereoselective synthesis of granatane and tropane aldol derivatives

Nodzewska, Aneta, Bokina, Agnieszka, Romanowska, Katarzyna, Lazny, Ryszard

Journal:

Year:

2014

Language:

english

File:

PDF, 427 KB

english, 2014

39

Enantioselective ring opening of tropinone. A new entry into tropane alkaloids

Majewski, Marek, Lazny, Ryszard, Ulaczyk, Agnieszka

Journal:

Canadian Journal of Chemistry

Year:

1997

Language:

english

File:

PDF, 155 KB

english, 1997

40

( 2R )-8-Benzyl-2-[( S )-hydroxy(phenyl)methyl]-8-azabicyclo[3.2.1]octan-3-one

Brzezinski, Krzysztof, Lazny, Ryszard, Sienkiewicz, Michal, Wojtulewski, Sławomir, Dauter, Zbigniew

Journal:

Acta Crystallographica Section E Structure Reports Online

Year:

2012

Language:

english

File:

PDF, 795 KB

english, 2012

41

Relative configuration, absolute configuration and absolute structure of three isomeric 8-benzyl-2-[(4-bromophenyl)(hydroxy)methyl]-8-azabicyclo[3.2.1]octan-3-ones

Brzezinski, Krzysztof, Lazny, Ryszard, Nodzewska, Aneta, Sidorowicz, Katarzyna

Journal:

Acta Crystallographica Section C Crystal Structure Communications

Year:

2013

Language:

english

File:

PDF, 503 KB

english, 2013

42

(1 RS ,2 SR ,5 SR )-9-Benzyl-2-[(1 RS )-1-hydroxybenzyl]-9-azabicyclo[3.3.1]nonan-3-one from synchrotron data

Lazny, Ryszard, Wolosewicz, Karol, Dauter, Zbigniew, Brzezinski, Krzysztof

Journal:

Acta Crystallographica Section E Structure Reports Online

Year:

2012

Language:

english

File:

PDF, 419 KB

english, 2012

43

Isomerisation and configurational assignment of 2-alkyltropane and 2-alkylgranatane derived hydrazones

Sidorowicz, Katarzyna, Lazny, Ryszard, Nodzewska, Aneta, Wolosewicz, Karol, Ratkiewicz, Artur, Urbanczyk-Lipkowska, Zofia, Kalicki, Przemyslaw

Journal:

Year:

2015

Language:

english

File:

PDF, 1.36 MB

english, 2015

44

Determination of the N-invertomer stereochemistry in N-substituted nortropanones and norgranatanones using computational and NMR methods

Sidorowicz, Katarzyna, Ratkiewicz, Artur, Nodzewska, Aneta, Lazny, Ryszard

Journal:

Comptes Rendus Chimie

Year:

2015

Language:

english

File:

PDF, 840 KB

english, 2015

45

Stereoselective Synthesis of Tropane Alkaloids: Physoperuvine and Dihydroxytropanes

Majewski, Marek, Lazny, Ryszard

Journal:

Year:

1996

File:

PDF, 166 KB

1996

46

New Simple Polymeric Supports with Hydrazone Linkers for Solid-Phase Synthesis of Ketones and Primary Amines

Lazny, Ryszard, Nodzewska, Aneta, Wolosewicz, Karol

Journal:

Year:

2003

Language:

english

File:

PDF, 117 KB

english, 2003

47

Triazenes: A Useful Protecting Strategy for Sensitive Secondary Amines

Lazny, Ryszard, Poplawski, Janusz, Köbberling, Johannes, Enders, Dieter, Bräse, Stefan

Journal:

Year:

1999

Language:

english

File:

PDF, 47 KB

english, 1999

48

Application of Piperazine-Derived Hydrazone Linkers for Alkylation of Solid-Phase Immobilized Ketones

Lazny, Ryszard, Michalak, Michal

Journal:

Year:

2002

Language:

english

File:

PDF, 77 KB

english, 2002

49

Mild, Racemization Free Cleavage of Ketone SAMP-Hydrazones with Oxalic Acid - Recycling of the Chiral Auxiliary

Enders, Dieter, Hundertmark, Thomas, Lazny, Ryszard

Journal:

Year:

1998

Language:

english

File:

PDF, 35 KB

english, 1998

50

Studies on Aldol Reactions of Nortropinone Derivatives in Solution and on Solid Phase

Lazny, Ryszard, Nodzewska, Aneta, Sienkiewicz, Michal

Journal:

Letters in Organic Chemistry

Year:

2010

Language:

english

File:

PDF, 144 KB

english, 2010