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1

Asymmetric induction by the (S)-1-phenylethyl group in intramolecular nitrile imine cycloadditions giving enantiopure 3,3a-dihydro-pyrazolo[1,5-a][1,4]benzodiazepine-4(6H)-ones

Gianluigi Broggini, Gianluigi Casalone, Luisa Garanti, Giorgio Molteni *, Tullio Pilati, Gaetano Zecchi

Journal:

Tetrahedron: Asymmetry

Year:

1999

Language:

english

File:

PDF, 206 KB

english, 1999

2

L-ALANINE BENZYLESTER AS CHIRAL INDUCTOR: SYNTHESIS OF ENANTIOPURE PYRAZOLO[1,5- a ]-[1,4]BENZODIAZEPINE-4-ONES VIA INTRAMOLECULAR NITRILIMINE CYCLOADDITIONS

Broggini, Gianluigi, Garanti, Luisa, Molteni, Giorgio, Pilati, Tullio

Journal:

Synthetic Communications

Year:

2001

Language:

english

File:

PDF, 204 KB

english, 2001

3

Reaction of C-(triphenylphosphinimido)hydrazones with isocyanates as a route to 5-arylamino- and 5-alkylamino-1H-1,2,4-triazoles

Bruch�, Luca, Garanti, Luisa, Zecchi, Gaetano

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1986

Language:

english

File:

PDF, 286 KB

english, 1986

4

Nitrilimine Cycloadditions onto Partially Saturated Furo[3,4-c]thieno[2,3-d]pyrazoles. A Problem in Site Selectivity

Garanti, Luisa, Broggini, Gianluigi, Molteni, Giorgio, Zecchi, Gaetano

Journal:

Year:

2000

Language:

english

File:

PDF, 70 KB

english, 2000

5

ChemInform Abstract: A New Entry to [1,2,4]Triazolo[1,5-a][1,4]benzodiazepin-6-ones via Intramolecular Nitrilimine Cycloaddition to the Cyano Group.

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Gaetano Zecchi

Journal:

Year:

1999

File:

PDF, 31 KB

1999

6

ChemInform Abstract: Dipolarophilic Behavior of the Thiophene Ring in Intramolecular Nitrile Imine Cycloadditions.

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Gaetano Zecchi

Journal:

Year:

1999

File:

PDF, 31 KB

1999

7

ChemInform Abstract: The First Case of Asymmetric Induction in Intramolecular Nitrile Imine Cycloadditions: Synthesis of Enantiopure 3-Substituted 6-Oxo-2,3,3a,5-tetrahydro-4-carbomethoxy-furo[3,4-c]pyrazoles.

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Gaetano Zecchi

Journal:

Year:

1999

File:

PDF, 29 KB

1999

8

ChemInform Abstract: Stereoselective Intramolecular Cycloadditions of Homochiral Nitrile Imines: Synthesis of Enantiomerically Pure 3,3a-Dihydropyrazolo[1,5-a][1,4]benzodiazepine-6(4H)-ones.

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Tullio Pilati, Alessandro Ponti, Gaetano Zecchi

Journal:

Year:

1999

File:

PDF, 31 KB

1999

9

ChemInform Abstract: Synthesis of Tetrazolo[1,5-a][1,4]benzodiazepin-6-ones via Intramolecular Azide Cycloadditions onto the Cyano Group.

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Gaetenao Zecchi

Journal:

Year:

2000

File:

PDF, 29 KB

2000

10

ChemInform Abstract: Asymmetric Induction by the (S)-1-Phenylethyl Group in Intramolecular Nitrile Imine Cycloadditions Giving Enantiopure 3,3a-Dihydro-pyrazolo[1,5-a][1,4]benzodiazepine-4(6H)-ones.

Gianluigi Broggini, Gianluigi Casalone, Luisa Garanti, Giorgio Molteni, Tullio Pilati, Gaetano Zecchi

Journal:

Year:

2000

File:

PDF, 31 KB

2000

11

ChemInform Abstract: Stereoselective Intramolecular Cycloadditions of Homochiral N-Alkenoyl Aryl Azides.

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Tullio Pilati

Journal:

Year:

2001

File:

PDF, 29 KB

2001

12

ChemInform Abstract: L-Alanine Benzylester as Chiral Inductor: Synthesis of Enantiopure Pyrazolo[1,5-a][1,4]benzodiazepine-4-ones via Intramolecular Nitrilimine Cycloadditions.

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Tullio Pilati

Journal:

Year:

2001

File:

PDF, 32 KB

2001

13

ChemInform Abstract: Intramolecular Cycloadditions of N-Alkenoyl Aryl Azides.

Luisa Garanti, Giorgio Molteni, Gianluigi Broggini

Journal:

Year:

2001

File:

PDF, 27 KB

2001

14

ChemInform Abstract: Diastereoselective Cycloadditions of Nitrilimines to Enantiopure Acrylamides.

Luisa Garanti, Giorgio Molteni, Tullio Pilati

Journal:

Year:

2002

File:

PDF, 28 KB

2002

15

Oxygenated monoterpenes as dipolarophiles for nitrilimine cycloadditions

Lara De Benassuti, Luisa Garanti, Giorgio Molteni

Journal:

Year:

2004

Language:

english

File:

PDF, 200 KB

english, 2004

16

A new entry to [1,2,4]triazolo[1,5-a][1,4]benzodiazepin-6-onesvia intramolecular nitrilimine cycloaddition to the cyano group

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Gaetano Zecchi

Journal:

Year:

1998

Language:

english

File:

PDF, 502 KB

english, 1998

17

Synthesis of bis-(3,5)pyrazolophanes by sequential intermolecular-intramolecular nitrilimine cycloadditions

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Gaetano Zecchi

Journal:

Year:

1998

Language:

english

File:

PDF, 448 KB

english, 1998

18

Intramolecular carbene-type 1,1-cycloaddition by nitrile imines

Luisa Garanti, Aristide Vigevani, Gaetano Zecchi

Journal:

Tetrahedron Letters

Year:

1976

Language:

english

File:

PDF, 124 KB

english, 1976

19

A novel synthesis of 1H-1,2-benzodiazepines

Luisa Garanti, Angelo Scandroglio, Gaetano Zecchi

Journal:

Tetrahedron Letters

Year:

1975

Language:

english

File:

PDF, 106 KB

english, 1975

20

New perspectives in the chemistry of 1-azidohydrazones

Luisa Garanti, Gaetano Zecchi

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 125 KB

english, 1980

21

MeOPEG-bounded azide cycloadditions to alkynyl dipolarophiles

Luisa Garanti, Giorgio Molteni

Journal:

Tetrahedron Letters

Year:

2003

Language:

english

File:

PDF, 123 KB

english, 2003

22

Stereoselective intramolecular cycloadditions of homochiral N-alkenoyl aryl azides

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Tullio Pilati

Journal:

Tetrahedron: Asymmetry

Year:

2001

Language:

english

File:

PDF, 151 KB

english, 2001

23

Diastereoselective cycloadditions of nitrilimines to enantiopure acrylamides

Luisa Garanti, Giorgio Molteni, Tullio Pilati

Journal:

Tetrahedron: Asymmetry

Year:

2002

Language:

english

File:

PDF, 150 KB

english, 2002

24

The first case of asymmetric induction in intramolecular nitrile imine cycloadditions: synthesis of enantiopure 3-substituted 6-oxo-2,3,3a,5-tetrahydro-4-carbomethoxy-furo[3,4-c]pyrazoles

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Gaetano Zecchi

Journal:

Tetrahedron: Asymmetry

Year:

1999

Language:

english

File:

PDF, 102 KB

english, 1999

25

Stereoselective intramolecular cycloadditions of homochiral nitrile imines: synthesis of enantiomerically pure 3,3a-dihydro-pyrazolo[1,5-a][1,4]benzodiazepine-6(4H)-ones

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni *, Tullio Pilati, Alessandro Ponti, Gaetano Zecchi

Journal:

Tetrahedron: Asymmetry

Year:

1999

Language:

english

File:

PDF, 215 KB

english, 1999

26

Stereoselective intramolecular cycloadditions of homochiral nitrilimines: synthesis of enantiopure (6S)-substituted-2,3,3a,4,5,6-hexahydro-furo[3,4-c]pyrazoles

Lara De Benassuti, Luisa Garanti, Giorgio Molteni

Journal:

Tetrahedron: Asymmetry

Year:

2004

Language:

english

File:

PDF, 274 KB

english, 2004

27

Synthesis of pyrazole-containing azacrown ethers by intramolecular nitrilimine cycloadditions

Gianluigi Broggini, Luisa Garanti, Giorgio Molteni, Gaetano Zecchi

Journal:

Year:

1997

Language:

english

File:

PDF, 410 KB

english, 1997

28

Ketone enamines as dipolarophiles towards C-azidohydrazones

Bruch�, Luca, Garanti, Luisa, Zecchi, Gaetano

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1985

Language:

english

File:

PDF, 312 KB

english, 1985

29

Synthesis of sulphur containing fused ring heterocycles by intramolecular 1,3-dipolar-cycloadditions

Luisa Garanti, Alberto Locatelli, Gaetano Zecchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1976

File:

PDF, 159 KB

1976

30

Synthesis of fused ring 1,2,4-triazoles by intramolecular cycloaddition of nitrile imines to the nitrile function

Luisa Garanti, Angelo Scandroglio, Gaetano Zecchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1976

File:

PDF, 156 KB

1976

31

Intramolecular 1,3-cycloadditions of nitrile ylides bearing an acetylenic function

Luisa Garanti, Giovanna Padova, Gaetano Zecchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1977

File:

PDF, 82 KB

1977

32

Thermal rearrangement and fragmentation of 1a, 7b-dihydro-1H-cyclopropa[c]cinnolines

Luisa Garanti, Gaetano Zecchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1978

File:

PDF, 141 KB

1978

33

General synthesis of 1a,7b-dihydro-1H-cyclopropa[c]cinnolines with electron-withdrawing substituents in the 1a-position

Luisa Garanti, Gaetano Zecchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1979

File:

PDF, 121 KB

1979

34

Synthesis and thermochemical behaviour of 1H-1,2-benzodiazepine-3-carboxylic acids

Luisa Garanti, Gaetano Zecchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1979

File:

PDF, 107 KB

1979

35

Intramolecular 1,3-dipolar cycloadditions of aliphatic nitrile oxides

Luisa Garanti, Gaetano Zecchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1980

File:

PDF, 161 KB

1980

36

Base-promoted cyclization of 1-nitrohydrazones bearing a thioether function

Luca Bruché, Luisa Garanti, Gaetano Zecchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1982

File:

PDF, 125 KB

1982

37

Thermally induced fragmentation and cyclisation of C-azidohydrazones

Luca Bruché, Luisa Garanti, Gaetano Zecchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1989

File:

PDF, 347 KB

1989

38

Synthesis of pyrazolo[1,5-a][4,1]benzoxazepines via intramolecular nitrilimine cycloaddition

Luisa Garanti, Gaetano Zecchi, Luca Bruché

Journal:

Journal of Heterocyclic Chemistry

Year:

1993

File:

PDF, 145 KB

1993

39

Thermal Behaviour of Dipolarophile-containing Acyl Azides: Intramolecular Cycloaddition versus Curtius Rearrangement

Broggini, Gianluigi, Garanti, Luisa, Molteni, Giorgio, Zecchi, Gaetano

Journal:

Journal of Chemical Research

Year:

1998

Language:

english

File:

PDF, 116 KB

english, 1998

40

CONSTRUCTION OF THE PYRAZOLO[1,5- a ][6,1]BENZODIAZONINE AND PYRAZOLO[1,5- a ][7,1]BENZODIAZECINE SKELETONS

Broggini, Gianluigi, Garanti, Luisa, Molteni, Giorgio, Zecchi, Gaetano

Journal:

Organic Preparations and Procedures International

Year:

1996

Language:

english

File:

PDF, 197 KB

english, 1996

41

Nitrilimine cycloadditions to MeOPEG-bounded alkenyl dipolarophiles

Garanti, Luisa, Molteni, Giorgio, Casati, Pietro

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

2002

Language:

english

File:

PDF, 159 KB

english, 2002

42

-tetrazoles

Bruché, Luca, Garanti, Luisa, Zecchi, Gaetano

Journal:

Synthetic Communications

Year:

1992

Language:

english

File:

PDF, 172 KB

english, 1992

43

Intramolecular 1,3-dipolar cycloadditions of aryl azides bearing alkenyl, alkynyl, and nitrile groups

Fusco, Raffaello, Garanti, Luisa, Zecchi, Gaetano

Journal:

Journal of Organic Chemistry

Year:

1975

Language:

english

File:

PDF, 534 KB

english, 1975

44

Cyclisation of nitrile imides with alkenyl substituents: routes to 1,2-benzodiazepines and cyclopropa[c]cinnolines

Garanti, Luisa, Zecchi, Gaetano

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1977

Language:

english

File:

PDF, 448 KB

english, 1977

45

Acid-promoted behaviour of 1a,7b-dihydro-1H-cyclopropa[c]cinnolines

Garanti, Luisa, Zecchi, Gaetano

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1979

Language:

english

File:

PDF, 461 KB

english, 1979

46

Competition between ethylenic and nitrile groups in the intramolecular capture of nitrile imines

Bruch�, Luca, Garanti, Luisa, Zecchi, Gaetano

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1983

Language:

english

File:

PDF, 342 KB

english, 1983

47

Allyl ethers of ethyl 2-chloro-2-(2-hydroxyphenylhydrazono)acetate as intermediates for the synthesis of 4H-1,3,4-benzoxadiazines

Garanti, Luisa, Zecchi, Gaetano

Journal:

Journal of Organic Chemistry

Year:

1978

Language:

english

File:

PDF, 276 KB

english, 1978

48

Intramolecular 1,3-dipolar cycloadditions of nitrile imines bearing an alkenyl substituent

Garanti, Luisa, Sala, Alberto, Zecchi, Gaetano

Journal:

Journal of Organic Chemistry

Year:

1977

Language:

english

File:

PDF, 507 KB

english, 1977

49

Intramolecular and intermolecular 1,3-dipolar cycloadditions of nitrile oxides bearing an alkenyl substituent

Garanti, Luisa, Sala, Alberto, Zecchi, Gaetano

Journal:

Journal of Organic Chemistry

Year:

1975

Language:

english

File:

PDF, 525 KB

english, 1975

50

Thermochemical behavior of o-azidocinnamonitriles

Garanti, Luisa, Zecchi, Gaetano

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 429 KB

english, 1980