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1

Convenient synthesis of benzo[b]pyrazolo[5,1-f][1,6]naphthyridines by silver triflate catalyzed three-component reaction of 2-alkynyl-3-formylquinolines, tosylhydrazine and carbonyl compounds

Zahid, Muhammad, Iaroshenko, Viktor O., Saghyan, Ashot S., Fischer, Christine, Langer, Peter

Journal:

Année:

2013

Langue:

english

Fichier:

PDF, 377 KB

english, 2013

2

Metal-free oxidation of benzyl amines to imines

Wu, Xiao-Feng, Petrosyan, Andranik, Ghochikyan, Tariel V., Saghyan, Ashot S., Langer, Peter

Journal:

Tetrahedron Letters

Année:

2013

Langue:

english

Fichier:

PDF, 712 KB

english, 2013

3

Synthesis of tetraaryl- and tetraalkenylpyrazines by Suzuki–Miyaura reactions of tetrachloropyrazine

Petrosyan, Andranik, Ehlers, Peter, Reimann, Sebastian, Ghochikyan, Tariel V., Saghyan, Ashot S., Spannenberg, Anke, Lochbrunner, Stefan, Langer, Peter

Journal:

Année:

2015

Langue:

english

Fichier:

PDF, 2.51 MB

english, 2015

4

ChemInform Abstract: Synthesis of Tetraaryl- and Tetraalkenylpyrazines by Suzuki-Miyaura Reactions of Tetrachloropyrazine.

Petrosyan, Andranik, Ehlers, Peter, Reimann, Sebastian, Ghochikyan, Tariel V., Saghyan, Ashot S., Spannenberg, Anke, Lochbrunner, Stefan, Langer, Peter

Journal:

Année:

2015

Fichier:

PDF, 22 KB

2015

5

Rapid asymmetric synthesis of amino acids via NiII complexes based on new fluorine containing chiral auxiliaries

Ashot S. Saghyan, Ani S. Dadayan, Slavik A. Dadayan, Anna F. Mkrtchyan, Arpine V. Geolchanyan, Luiza L. Manasyan, Hrant R. Ajvazyan, Victor N. Khrustalev, Hasmik H. Hambardzumyan, Victor I. Maleev

Journal:

Tetrahedron: Asymmetry

Année:

2010

Langue:

english

Fichier:

PDF, 841 KB

english, 2010

6

ChemInform Abstract: Diversity-Oriented Synthesis of Functionalized Phenols by Regioselective [3 + 3] Cyclocondensations of 1,3-Bis(silyloxy)-1,3-butadienes with 3-Alkoxy-2-en-1-ones and Related Substrates

Gnuni Karapetyan, Tuan T. Dang, Muhammad Sher, Tariel V. Ghochikyan, Ashot Saghyan, Peter Langer

Journal:

Année:

2012

Fichier:

PDF, 18 KB

2012

7

Using the same organocatalyst for asymmetric synthesis of both enantiomers of glutamic acid-derived Ni(II) complexes via 1,4-additions of achiral glycine and dehydroalanine Schiff base Ni(II) complexes

Belokon, Yuri N., Gugkaeva, Zalina T., Hakobyan, Karine V., Maleev, Victor I., Moskalenko, Margarita A., Khrustalev, Victor N., Saghyan, Ashot S., Tsaloev, Alan T., Babievsky, Kiryl K.

Journal:

Année:

2012

Langue:

english

Fichier:

PDF, 470 KB

english, 2012

8

Asymmetric synthesis of new β-heterocyclic (S)-α-aminopropionic acids

Ashot S. Saghyan, Hayarpi M. Simonyan, Lala A. Stepanyan, Samvel G. Ghazaryan, Arpine V. Geolchanyan, Luiza L. Manasyan, Vahe T. Ghochikyan, Tariel V. Ghochikyan, Nelli A. Hovhannisyan, Ashot Gevorgya

Journal:

Tetrahedron: Asymmetry

Année:

2012

Langue:

english

Fichier:

PDF, 500 KB

english, 2012

9

Synthesis of 2-chloro-3-oxoesters by reaction of the dianion of ethyl 2-chloroacetoacetate with electrophiles

Specowius, Verena, Rahn, Thomas, Adeel, Muhammad, Reim, Stefanie, Feist, Holger, Saghyan, Ashot S., Langer, Peter

Journal:

Monatshefte für Chemie - Chemical Monthly

Année:

2013

Langue:

english

Fichier:

PDF, 316 KB

english, 2013

10

Aza-Diels–Alder reaction catalyzed by novel chiral metalocomplex Brønsted acids

Maleev, Victor I., Skrupskaya, Tat’yana V., Yashkina, Lidia V., Mkrtchyan, Anna F., Saghyan, Ashot S., Il’in, Michayl M., Chusov, Denis A.

Journal:

Tetrahedron: Asymmetry

Année:

2013

Langue:

english

Fichier:

PDF, 1.24 MB

english, 2013

11

Asymmetric synthesis of enantiomerically enriched (S)-α-aminopropionic acids containing heterocyclic side chains

Saghyan, Ashot S., Mkrtchyan, Gnel M., Dadayan, Ani S., Petrosyan, Satenik G., Geolchanyan, Arpine V., Simonyan, Hayarpi M., Mkrtchyan, Anna F., Mkrtchyan, Satenik, Gevorgyan, Ashot, Iaroshenko, Vikto

Journal:

Tetrahedron: Asymmetry

Année:

2013

Langue:

english

Fichier:

PDF, 261 KB

english, 2013

12

Synthesis of pyrazoles with fluorinated side-chain by cyclization of fluoroalkylated triketides

Desens, Willi, Winterberg, Marleen, Büttner, Stefan, Michalik, Dirk, Saghyan, Ashot S., Villinger, Alexander, Fischer, Christine, Langer, Peter

Journal:

Année:

2013

Langue:

english

Fichier:

PDF, 394 KB

english, 2013

13

Synthesis of 2,5-Diarylpyrroles by Ligand-Free Palladium-Catalyzed CH Activation of Pyrroles in Ionic Liquids

Ehlers, Peter, Petrosyan, Andranik, Baumgard, Jens, Jopp, Stefan, Steinfeld, Norbert, Ghochikyan, Tariel V., Saghyan, Ashot S., Fischer, Christine, Langer, Peter

Journal:

Année:

2013

Langue:

english

Fichier:

PDF, 314 KB

english, 2013

14

Synthesis of functionalized para - and meta -terphenyls based on site-selective Suzuki cross-coupling reactions of bis(triflates) of methyl 2,5-dihydroxybenzoate and methyl 2,4-dihydroxybenzoate

Nawaz, Muhammad, Ullah, Ihsan, Abid, Obaid-ur-Rahman, Ali, Asad, Patonay, Tamás, Saghyan, Ashot S., Ghochikan, Tariel V., Villinger, Alexander, Langer, Peter

Journal:

Canadian Journal of Chemistry

Année:

2012

Langue:

english

Fichier:

PDF, 2.16 MB

english, 2012

15

Cyclization of 4-Phenylthiosemicarbazide with Phenacylbromide Revisited. Formation of 1,3,4-Thiadiazines and of Isomeric 1,3-Thiazoles

Pfeiffer, Wolf-Diethard, Junghans, Dieter, Saghyan, Ashot S., Langer, Peter

Journal:

Journal of Heterocyclic Chemistry

Année:

2014

Langue:

english

Fichier:

PDF, 449 KB

english, 2014

16

Synthesis of Imidazo[2,1- b ][2 H -1,3,4]thiadiazines and 1,2,4-Triazolo[3,4- b ][2 H -1,3,4]thiadiazines

Knak, Stefanie, Pfeiffer, Wolf-Diethard, Dollinger, Horst, Saghyan, Ashot S., Langer, Peter

Journal:

Journal of Heterocyclic Chemistry

Année:

2015

Langue:

english

Fichier:

PDF, 442 KB

english, 2015

17

Site Selective Synthesis of Pentaarylpyridines via Multiple Suzuki-Miyaura Cross-Coupling Reactions

Reimann, Sebastian, Ehlers, Peter, Petrosyan, Andranik, Kohse, Stefanie, Spannenberg, Anke, Surkus, Annette E., Ghochikyan, Tariel V., Saghyan, Ashot S., Lochbrunner, Stefan, Kühn, Oliver, Ludwig, Ral

Journal:

Advanced Synthesis & Catalysis

Année:

2014

Langue:

english

Fichier:

PDF, 1.13 MB

english, 2014

18

Unexpected Ring Enlargement of 2-Hydrazono-2,3-dihydro-1,3-thiazoles to 1,3,4-Thiadiazines

Pfeiffer, Wolf-Diethard, Ahlers, Klaus-Dieter, Saghyan, Ashot S., Villinger, Alexander, Langer, Peter

Journal:

Helvetica Chimica Acta

Année:

2014

Langue:

english

Fichier:

PDF, 219 KB

english, 2014

19

Synthesis of 2-Unsubstituted 1,3-Selenazoles by Cyclization of Selenoformamide with α -Bromocarbonyl Compounds

Below, Harald, Pfeiffer, Wolf-Diethard, Geisler, Karlheinz, Saghyan, Ashot S., Fischer, Christine, Langer, Peter

Journal:

Journal of Heterocyclic Chemistry

Année:

2015

Langue:

english

Fichier:

PDF, 359 KB

english, 2015

20

Synthesis of fluorescent 2,3,5,6-tetraalkynylpyridines by site-selective Sonogashira-reactions of 2,3,5,6-tetrachloropyridines

Ehlers, Peter, Petrosyan, Andranik, Neubauer, Antje, Bröse, Timo, Lochbrunner, Stefan, Ghochikyan, Tariel V., Saghyan, Ashot S., Langer, Peter

Journal:

Organic & Biomolecular Chemistry

Année:

2014

Langue:

english

Fichier:

PDF, 830 KB

english, 2014

21

Thiophenyl-substituted triazolyl-thionel-alanine: asymmetric synthesis, aggregation and biological properties

Saghyan, Ashot S., Simonyan, Hayarpi M., Petrosyan, Satenik G., Geolchanyan, Arpine V., Roviello, Giovanni N., Musumeci, Domenica, Roviello, Valentina

Journal:

Année:

2014

Langue:

english

Fichier:

PDF, 813 KB

english, 2014

22

Synthesis of functionalized para - and meta -terphenyls based on site-selective Suzuki cross-coupling reactions of bis(triflates) of methyl 2,5-dihydroxybenzoate and methyl 2,4-dihydroxybenzoate

Nawaz, Muhammad, Ullah, Ihsan, Abid, Obaid-ur-Rahman, Ali, Asad, Patonay, Tamás, Saghyan, Ashot S., Ghochikan, Tariel V., Villinger, Alexander, Langer, Peter

Journal:

Canadian Journal of Chemistry

Année:

2013

Langue:

english

Fichier:

PDF, 2.16 MB

english, 2013

23

Regioselective Synthesis of Trichloromethyl-Substituted Salicylates and Cyclohexenones by One-Pot Cyclizations of 1,3-Bis(trimethylsilyloxy)buta-1,3-dienes

Reimann, Sebastian, Bunescu, Alina, Petrosyan, Andranik, Sharif, Muhammad, Erfle, Silke, Mamat, Constantin, Ghochikyan, Tariel V., Saghyan, Ashot S., Spannenberg, Anke, Villinger, Alexander, Langer, P

Journal:

Helvetica Chimica Acta

Année:

2013

Langue:

english

Fichier:

PDF, 466 KB

english, 2013

24

ChemInform Abstract: Convenient Synthesis of Benzo[b]pyrazolo[5,1-f][1,6]naphthyridines by Silver Triflate Catalyzed Three-Component Reaction of 2-Alkynyl-3-formylquinolines, Tosylhydrazine and Carbonyl Compounds.

Zahid, Muhammad, Iaroshenko, Viktor O., Saghyan, Ashot S., Fischer, Christine, Langer, Peter

Journal:

Année:

2013

Fichier:

PDF, 31 KB

2013

25

Asymmetric Synthesis of Enantiomerically Enriched a-Amino Acids Containing 2-Furyl- and 2-Thienyl-1,2,4-triazoles in the Side-Chain

Saghyan, Ashot S., Simonyan, Hayarpi M., Petrosyan, Satenik G., Mkrtchyan, Anna F., Khachatryan, Lilit V., Geolchanyan, Arpine V., Samvelyan, Melanya A., Ghochikyan, Tariel V., Kelzhanova, Nazken, Sag

Journal:

Zeitschrift für Naturforschung B

Année:

2014

Langue:

english

Fichier:

PDF, 261 KB

english, 2014

26

Suzuki-Miyaura Reactions of 2,7-Dichloro-1,8-naphthyridine

Ehlers, Peter, Petrosyan, Andranik, Ghochikyan, Tariel, Saghyan, Ashot, Neubauer, Antje, Lochbrunner, Stefan, Langer, Peter

Journal:

Année:

2013

Langue:

english

Fichier:

PDF, 253 KB

english, 2013

27

Straightforward synthesis of tetraalkynylpyrazines and their photophysical properties

Petrosyan, Andranik, Ehlers, Peter, Surkus, Annette-E., Ghochikyan, Tariel V., Saghyan, Ashot S., Lochbrunner, Stefan, Langer, Peter

Journal:

Organic & Biomolecular Chemistry

Année:

2016

Langue:

english

Fichier:

PDF, 606 KB

english, 2016

28

Cyclocondensations of Substituted Thiosemicarbazides with 2-Bromo- 1,2-diphenylethan-1-one

Pfeiffer, Wolf-Diethard, Gille, Helmut, Bulka, Ehrenfried, Saghyan, Ashot, Langer, Peter

Journal:

Zeitschrift für Naturforschung B

Année:

2013

Langue:

english

Fichier:

PDF, 178 KB

english, 2013

29

ChemInform Abstract: Regioselective Synthesis of 5-(2-Methoxyethyl)biphenyls (V) by Formal [3 + 3] Cyclocondensations of 1,3-Bis(trimethylsilyloxy)-1,3-butadienes

Bendrath, Franziska, Specowius, Verena, Abilov, Zharylkasyn A., Saghyan, Ashot S., Fischer, Christine, Langer, Peter

Journal:

Année:

2013

Fichier:

PDF, 27 KB

2013

30

ChemInform Abstract: Synthesis of 2-Chloro-3-oxoesters by Reaction of the Dianion of Ethyl 2-Chloroacetoacetate with Electrophiles.

Specowius, Verena, Rahn, Thomas, Adeel, Muhammad, Reim, Stefanie, Feist, Holger, Saghyan, Ashot S., Langer, Peter

Journal:

Année:

2013

Fichier:

PDF, 29 KB

2013

31

ChemInform Abstract: Synthesis of Pyrazoles with Fluorinated Side-Chain by Cyclization of Fluoroalkylated Triketides.

Desens, Willi, Winterberg, Marleen, Buettner, Stefan, Michalik, Dirk, Saghyan, Ashot S., Villinger, Alexander, Fischer, Christine, Langer, Peter

Journal:

Année:

2013

Fichier:

PDF, 30 KB

2013

32

ChemInform Abstract: Metal-Free Oxidation of Benzyl Amines to Imines.

Wu, Xiao-Feng, Petrosyan, Andranik, Ghochikyan, Tariel V., Saghyan, Ashot S., Langer, Peter

Journal:

Année:

2013

Fichier:

PDF, 23 KB

2013

33

ChemInform Abstract: Synthesis of 2,5-Diarylpyrroles by Ligand-Free Palladium-Catalyzed CH Activation of Pyrroles in Ionic Liquids.

Ehlers, Peter, Petrosyan, Andranik, Baumgard, Jens, Jopp, Stefan, Steinfeld, Norbert, Ghochikyan, Tariel V., Saghyan, Ashot S., Fischer, Christine, Langer, Peter

Journal:

Année:

2013

Fichier:

PDF, 79 KB

2013

34

ChemInform Abstract: Synthesis of Fluorescent 2,3,5,6-Tetraalkynylpyridines by Site-Selective Sonogashira-Reactions of 2,3,5,6-Tetrachloropyridines.

Ehlers, Peter, Petrosyan, Andranik, Neubauer, Antje, Broese, Timo, Lochbrunner, Stefan, Ghochikyan, Tariel V., Saghyan, Ashot S., Langer, Peter

Journal:

Année:

2015

Fichier:

PDF, 27 KB

2015

35

ChemInform Abstract: Suzuki-Miyaura Reactions of 2,7-Dichloro-1,8-naphthyridine.

Ehlers, Peter, Petrosyan, Andranik, Ghochikyan, Tariel V., Saghyan, Ashot S., Neubauer, Antje, Lochbrunner, Stefan, Langer, Peter

Journal:

Année:

2013

Fichier:

PDF, 62 KB

2013

36

ChemInform Abstract: Synthesis of Functionalized para- and meta-Terphenyls Based on Site-Selective Suzuki Cross-Coupling Reactions of Bis(triflates) of Methyl 2,5-Dihydroxybenzoate and Methyl 2,4-Dihydroxybenzoate.

Nawaz, Muhammad, Ullah, Ihsan, Abid, Obaid-ur-Rahman, Ali, Asad, Patonay, Tamas, Saghyan, Ashot S., Ghochikan, Tariel V., Villinger, Alexander, Langer, Peter

Journal:

Année:

2014

Fichier:

PDF, 34 KB

2014

37

ChemInform Abstract: Cyclocondensations of Substituted Thiosemicarbazides with 2-Bromo-1,2-diphenylethan-1-one.

Pfeiffer, Wolf-Diethard, Gille, Helmut, Bulka, Ehrenfried, Saghyan, Ashot, Langer, Peter

Journal:

Année:

2013

Fichier:

PDF, 30 KB

2013

38

ChemInform Abstract: Cyclization of 4-Phenylthiosemicarbazide with Phenacylbromide Revisited. Formation of 1,3,4-Thiadiazines and of Isomeric 1,3-Thiazoles.

Pfeiffer, Wolf-Diethard, Junghans, Dieter, Saghyan, Ashot S., Langer, Peter

Journal:

Année:

2015

Langue:

english

Fichier:

PDF, 52 KB

english, 2015

39

ChemInform Abstract: Synthesis of 2-Unsubstituted 1,3-Selenazoles by Cyclization of Selenoformamide with α-Bromocarbonyl Compounds.

Below, Harald, Pfeiffer, Wolf-Diethard, Geisler, Karlheinz, Saghyan, Ashot S., Fischer, Christine, Langer, Peter

Journal:

Année:

2015

Fichier:

PDF, 22 KB

2015

40

ChemInform Abstract: Unexpected Ring Enlargement of 2-Hydrazono-2,3-dihydro-1,3-thiazoles to 1,3,4-Thiadiazines.

Pfeiffer, Wolf-Diethard, Ahlers, Klaus-Dieter, Saghyan, Ashot S., Villinger, Alexander, Langer, Peter

Journal:

Année:

2014

Fichier:

PDF, 37 KB

2014

41

ChemInform Abstract: Synthesis of Imidazo[2,1-b][2H-1,3,4]thiadiazines and 1,2,4-Triazolo[3,4-b][2H-1,3,4]thiadiazines.

Knak, Stefanie, Pfeiffer, Wolf-Diethard, Dollinger, Horst, Saghyan, Ashot S., Langer, Peter

Journal:

Année:

2015

Fichier:

PDF, 19 KB

2015

42

Asymmetric Synthesis of Non&;#x02010;Proteinogenic Amino Acids || Biomimetic Addition Reaction of Nucleophiles to Co III Complexes of Dehydroaminobutyric Acid

Saghyan, Ashot S., Langer, Peter

Année:

2016

Langue:

english

Fichier:

PDF, 321 KB

english, 2016

43

Asymmetric Synthesis of Non&;#x02010;Proteinogenic Amino Acids || Modeling of α,β-Elimination Processes of PP-Catalysis, Kinetics, and Stereochemistry

Saghyan, Ashot S., Langer, Peter

Année:

2016

Langue:

english

Fichier:

PDF, 551 KB

english, 2016

44

Asymmetric Synthesis of Non&;#x02010;Proteinogenic Amino Acids || Systems for Modeling Some Aspects of Pyridoxal Enzyme Action

Saghyan, Ashot S., Langer, Peter

Année:

2016

Langue:

english

Fichier:

PDF, 535 KB

english, 2016

45

Asymmetric Synthesis of Non&;#x02010;Proteinogenic Amino Acids || The Main Rules of Asymmetric Synthesis

Saghyan, Ashot S., Langer, Peter

Année:

2016

Langue:

english

Fichier:

PDF, 155 KB

english, 2016

46

Asymmetric Synthesis of Non&;#x02010;Proteinogenic Amino Acids || Catalytic Asymmetric Synthesis

Saghyan, Ashot S., Langer, Peter

Année:

2016

Langue:

english

Fichier:

PDF, 6.16 MB

english, 2016

47

Asymmetric Synthesis of Non&;#x02010;Proteinogenic Amino Acids || Some Regularities of Mechanisms for the Natural Synthesis of Amino Acids

Saghyan, Ashot S., Langer, Peter

Année:

2016

Langue:

english

Fichier:

PDF, 371 KB

english, 2016

48

Asymmetric Synthesis of Non&;#x02010;Proteinogenic Amino Acids || Non&;#x02010;Proteinogenic &;#x003B1;&;#x02010;Amino Acids, Natural Origin, Biological Functions

Saghyan, Ashot S., Langer, Peter

Année:

2016

Langue:

english

Fichier:

PDF, 1.09 MB

english, 2016

49

Asymmetric Synthesis of Non&;#x02010;Proteinogenic Amino Acids || Stoichiometric Asymmetric Synthesis of &;#x003B1;&;#x02010;Amino Acids

Saghyan, Ashot S., Langer, Peter

Année:

2016

Langue:

english

Fichier:

PDF, 14.00 MB

english, 2016

50

Asymmetric Synthesis of Non&;#x02010;Proteinogenic Amino Acids || Modeling of Processes Associated with Cleavage of CαH and CαCβ Bonds

Saghyan, Ashot S., Langer, Peter

Année:

2016

Langue:

english

Fichier:

PDF, 596 KB

english, 2016