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1

Steric retardation in activated nucleophilic aromatic substitution. The reactions of fluoro-4-nitrobenzene with some methyl-substituted piperidines in dimethyl sulfoxide.

Francesco Pietra, Del Cima Francesco

Journal:

Tetrahedron Letters

Year:

1966

Language:

english

File:

PDF, 202 KB

english, 1966

2

The relative reactivity of fluoro- and chloro-2,4-dinitrobenzenes in their reactions with amines. A re-investigation.

Francesco Pietra, Francesco Del Cima

Journal:

Tetrahedron Letters

Year:

1966

Language:

english

File:

PDF, 264 KB

english, 1966

3

Amidination of cyclopetatrienones via hydride replacement: a regiospecific synthesis of functionalized 1,3-diazaazulenes

Francesco Del Cima, Marino Cavazza, C. Arberto Veracini, Francesco Pietra

Journal:

Tetrahedron Letters

Year:

1975

Language:

english

File:

PDF, 117 KB

english, 1975

4

Competing reactions with the recovery of alcohols from arenesulphonates by cathodic reduction

Lamberto Nucci, Francesco Del Cima, Marino Cavazza, Francesco Pietra

Journal:

Tetrahedron Letters

Year:

1977

Language:

english

File:

PDF, 135 KB

english, 1977

5

Mechanisms of nucleophilic substitutions at unsaturated carbon. Leaving-group effect in the reactions of piperidine with various 2-x-tropones

Francesco Pietra, Mario Giocasta, Francesco Del Cima

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 210 KB

english, 1969

6

Occurence and driving forces for reductive deiodination of haloaromatics by bulky amines

Enrico Farina, Lamberto Nucci, Gino Biggi, Francesco Del Cima, Francesco Pietra

Journal:

Tetrahedron Letters

Year:

1974

Language:

english

File:

PDF, 134 KB

english, 1974

7

A new carbon skeleton rearrangement under basic conditions: 2-Hydroxy[3,5-2H2]-benzaldehyde from 2-quinuclidinio[3,5,7-3H2]tropone in concentrated alkali

Gino Biggi, Francesco Del Cima, Francesco Pietra

Journal:

Tetrahedron Letters

Year:

1974

Language:

english

File:

PDF, 115 KB

english, 1974

8

A new reaction of cycloheptatrienones: alkyl-oxygen bond fission of 2-methoxytropone

Gino Biggi, Francesco Del Cima, Francesco Pietra

Journal:

Tetrahedron Letters

Year:

1973

Language:

english

File:

PDF, 125 KB

english, 1973

9

Model reactions for enzyme action : the bifunctional reactivity of amidines

Gino Biggi, Francesco Del Cima, Francesco Pietra

Journal:

Tetrahedron Letters

Year:

1971

Language:

english

File:

PDF, 141 KB

english, 1971

10

On the search for an addition-intermediate along the reaction path of nucleophilic aromatic substitution

Francesco Pietra, Francesco Del Cima

Journal:

Tetrahedron Letters

Year:

1970

Language:

english

File:

PDF, 291 KB

english, 1970

11

Question of activation by the nitro group in nucleophilic aromatic substitution

Pietra, Francesco, Del Cima, Francesco

Journal:

Journal of Organic Chemistry

Year:

1968

Language:

english

File:

PDF, 901 KB

english, 1968

12

Failure of arylation of reactive cyclic amidines owing to unusually facile ring opening

Francesco Del Cima, Francesco Pietra

Journal:

Journal of Heterocyclic Chemistry

Year:

1975

File:

PDF, 160 KB

1975

13

Halogen mobility in activated aromatic nucleophilic substitution.

Francesco Pietra, Francesco Del Cima

Journal:

Tetrahedron Letters

Year:

1967

Language:

english

File:

PDF, 230 KB

english, 1967

14

Potentially bifunctional reactants. Aromatic nucleophilic substitution by imidazole or pyrazole

Pietra, Francesco, Del Cima, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1972

Language:

english

File:

PDF, 599 KB

english, 1972

15

On the stereochemistry of Grignard addition to bicyclo[3.3.1]nonan-2-one. Preferential axial attack on a cyclohexanone system by a bulky nucleophile

Guerriero, Antonio, Pietra, Francesco, Cavazza, Marino, Del Cima, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1982

Language:

english

File:

PDF, 463 KB

english, 1982

16

Reactivity of pseudoaromatic compounds. XI. Base-induced ring contractions of cycloheptatrienones carrying a mobile .alpha. substituent. Available pathways and competition with substitution reactions

Biggi, Gino., De Hoog, Arie J., Del Cima, Francesco., Pietra, Francesco.

Journal:

Journal of the American Chemical Society

Year:

1973

Language:

english

File:

PDF, 753 KB

english, 1973

17

Competing reactions in the regeneration of alcohols from tosylates with aromatic radical anions

Cavazza, Marino, Del Cima, Francesco, Nucci, Lamberto, Fabiani, Luana, Pietra, Francesco

Journal:

Journal of Organic Chemistry

Year:

1979

Language:

english

File:

PDF, 266 KB

english, 1979

18

Nucleophilic substitution with rearrangement on troponoids. Reaction of 2-(1-azoniabicyclo[2.2.2]oct-1-yl[3,5,7-2H3]-cyclohepta-2,4,6-trien-1-one iodide with piperidine leading to 2-piperidino[4,6-2H2]cyclohepta-2,4,6-trien-1-one via 7,2 addition-elimination

Biggi, Gino, Del Cima, Francesco, Pietra, Francesco

Journal:

Journal of the American Chemical Society

Year:

1972

Language:

english

File:

PDF, 909 KB

english, 1972

19

Reactivity of pseudoaromatic compounds. X. Normal vs. abnormal nucleophilic substitutions on cycloheptatrienones carrying a mobile .alpha. substituent. Rationalization

Biggi, Gino., Del Cima, Francesco., Pietra, Francesco.

Journal:

Journal of the American Chemical Society

Year:

1973

Language:

english

File:

PDF, 924 KB

english, 1973

20

The origin of high ortho:para-reactivity ratios in the reactions of fluoronitrobenzenes with potassium t-butoxide in t-butyl alcohol

Del Cima, Francesco, Biggi, Gino, Pietra, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1973

Language:

english

File:

PDF, 535 KB

english, 1973

21

Nucleophilic catalysis with rearrangement. The reactivity of pseudoaromatic compounds. Part VII. The 1-azabicyclo[2,2,2]octane-catalysed reaction of 2-iodocyclohepta-2,4,6-trien-1-one with piperidine

Biggi, Gino, Del Cima, Francesco, Pietra, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1972

Language:

english

File:

PDF, 457 KB

english, 1972

22

A route to 6-functionalised 1,3-diaza-azulenes and aminotropones via hydride replacement from cycloheptatrienones

Cavazza, Marino, Cabrino, Renzo, Del Cima, Francesco, Pietra, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1978

Language:

english

File:

PDF, 393 KB

english, 1978

23

On the ortho : para ratio in activation of nucleophilic aromatic substitution by the nitro-group

Pietra, Francesco, Cima, Francesco Del

Journal:

Journal of the Chemical Society D Chemical Communications

Year:

1970

Language:

english

File:

PDF, 100 KB

english, 1970

24

Competition between reductive dehalogenation and nucleophilic aromatic substitution of nitro-activated iodine by amines

Pietra, Francesco, Bartolozzi, Mauro, Del Cima, Francesco

Journal:

Journal of the Chemical Society D Chemical Communications

Year:

1971

Language:

english

File:

PDF, 233 KB

english, 1971

25

On the reactions of alkanedithiols with picryl halides

Cabrino, Renzo, Farina, Enrico, Del Cima, Francesco, Pietra, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1976

Language:

english

File:

PDF, 305 KB

english, 1976

26

Pseudoaromatic compounds. Part XXII. Reactions of 2-functionalized tropones with sodium toluene-p-thiolate

Cavazza, Marino, Biggi, Gino, Del Cima, Francesco, Pietra, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1975

Language:

english

File:

PDF, 303 KB

english, 1975

27

Nucleophile size and the ortho : para ratio in activation of aromatic substitution by the nitro-group

Pietra, Francesco, Del Cima, Francesco

Journal:

Chemical Communications (London)

Year:

1968

Language:

english

File:

PDF, 135 KB

english, 1968

28

Regiospecific amination of deactivated cycloheptatrienones via hydride replacement

Ricciarelli, Bruno, Cabrino, Renzo, Cima, Francesco Del, Veracini, C. Alberto, Pietra, Francesco

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1974

Language:

english

File:

PDF, 132 KB

english, 1974

29

Potentially bifunctional reactants. The kinetics of aromatic nucleo-philic substitution by benzamidine and n-butylamine

Biggi, Gino, Cima, Francesco Del, Pietra, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1972

Language:

english

File:

PDF, 531 KB

english, 1972

30

A new rearrangement of 1-(2-oxocyclohepta-3,5,7-trienyl)-1-azabicyclo[2,2,2]-octanium iodide into m-hydroxybenzaldehyde

Biggi, Gino, Del Cima, Francesco, Pietra, Francesco

Journal:

Journal of the Chemical Society D Chemical Communications

Year:

1971

Language:

english

File:

PDF, 104 KB

english, 1971

31

Reaction of 2-iodocyclohepta-2,4,6-trien-1-one with 1-azabicyclo[2,2,2]octane. An unusually easy nucleophilic opening of a bicyclo[2,2,2]octane skeleton

Pietra, Francesco, Del Cima, Francesco

Journal:

Journal of the Chemical Society D Chemical Communications

Year:

1970

Language:

english

File:

PDF, 179 KB

english, 1970

32

Ring enlargement of bicyclo[3.3.1]nonan-2-one with diazomethane

Del Cima, Francesco, Pietra, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1974

Language:

english

File:

PDF, 286 KB

english, 1974

33

The reactivity of pseudoaromatic compounds. Part IV. Normal substitutions of 2-substituted tropones by secondary or tertiary amines; abnormal behaviour of 2-fluorotropone

Pietra, Francesco, Cima, Francesco Del

Journal:

Journal of the Chemical Society B Physical Organic

Year:

1971

Language:

english

File:

PDF, 918 KB

english, 1971

34

The reactivity of pseudoaromatic compounds. Part III. Reactions of 2-lodo-, 2-bromo-, and 2-choloro-tropone with quinuclidine

Pietra, Francesco, Biggi, Gino, Cima, Francesco Del

Journal:

Journal of the Chemical Society C Organic

Year:

1971

Language:

english

File:

PDF, 640 KB

english, 1971

35

The origin of primary steric effects in aromatic substitution: reactions by alkoxides or amines as nucleophiles

Pietra, Francesco, Vitali, Dario, Cima, Francesco Del, Cardinali, Glauco

Journal:

Journal of the Chemical Society B Physical Organic

Year:

1970

Language:

english

File:

PDF, 1.34 MB

english, 1970

36

ChemInform Abstract: POTENTIELLE BIFUNKTIONELLE REAKTANTEN, AROMATISCHE NUCLEOPHILE SUBSTITUTION DURCH IMIDAZOL ODER PYRAZOL

PIETRA, FRANCESCO, DEL CIMA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 124 KB

1972

37

ChemInform Abstract: PSEUDOAROMATIC COMPOUNDS. XXII. REACTIONS OF 2-FUNCTIONALIZED TROPONES WITH SODIUM P-TOLUENETHIOLATE

CAVAZZA, MARINO, BIGGI, GINO, DEL CIMA, FRANCESCO, PIETRA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 108 KB

1976

38

ChemInform Abstract: NUCLEOPHILE KATALYSE MIT UMLAGERUNG, REAKTIVITAET PSEUDOAROMATISCHER VERBINDUNGEN 7. MITT. DURCH 1-AZA-BICYCLO(2,2,2)OCTAN KATALYSIERTE RK. VON 2-JOD-CYCLOHEPTATRIEN-(2,4,6)-ON-(1) MIT PIPERIDIN

BIGGI, GINO, DEL CIMA, FRANCESCO, PIETRA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 144 KB

1972

39

ChemInform Abstract: RING ENLARGEMENT OF BICYCLO(3,3,1)NONAN-2-ONE WITH DIAZOMETHANE

DEL CIMA, FRANCESCO, PIETRA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1974

File:

PDF, 108 KB

1974

40

ChemInform Abstract: ENTSTEHUNG PRIMAERER STERISCHER EFFEKTE BEI DER AROMATISCHEN SUBSTITUTION, RK. VON ALKOHOLATEN ODER AMINEN ALS NUCLEOPHILE

PIETRA, FRANCESCO, VITALI, DARIO, DEL CIMA, FRANCESCO, CARDINALI, GLAUCO

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1971

File:

PDF, 115 KB

1971

41

ChemInform Abstract: STEREOCHEMISTRY OF RING ENLARGEMENTS WITH BRIDGED SYSTEMS, COMPARISON OF THE NITROUS ACID DEAMINATION OF ENDO- AND EXO-2-AMINOMETHYLBICYCLO(3,2,1)OCTAN-2-OL WITH THE REACTION BETWEEN BICYCLO(3,2,1)OCTAN-2-ONE AND DIAZOMETHANE

VOLPI, ERIO, DEL CIMA, FRANCESCO, PIETRA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1974

Language:

german

File:

PDF, 254 KB

german, 1974

42

ChemInform Abstract: REAKTIVITAET VON PSEUDOAROMATISCHEN VERBINDUNGEN 4. MITT. NORMALE SUBSTITUTIONEN AN 2-SUBSTITUIERTEN TROPONEN DURCH SEK. ODER TERT. AMINE, ABNORMALES VERHALTEN VON 2-FLUORTROPON

PIETRA, FRANCESCO, DEL CIMA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 140 KB

1972

43

ChemInform Abstract: NUCLEOPHILE SUBSTITUTION MIT UMLAGERUNG BEI TROPONOIDEN, ZU 2-PIPERIDINO-(4,6-(2)H2)CYCLOHEPTA-2,4,6-TRIEN-1-ON FUEHRENDE RK. VON 2-(1-AZONIABICYCLO(2,2,2)OCT-1-YL-(3,5,7-(2)H3)-CYCLOHEPTA-2,4,6-TRIEN-1-ON)-JODID MIT PIPERIDIN

BIGGI, GINO, DEL CIMA, FRANCESCO, PIETRA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 210 KB

1972

44

ChemInform Abstract: THE REACTIVITY OF PSEUDAROMATIC COMPOUNDS PART 11, BASE-INDUCED RING CONTRACTIONS OF CYCLOHEPTATRIENONES CARRYING A MOBILE ALPHA SUBSTITUENT. AVAILABLE PATHWAYS AND COMPETITION WITH SUBSTITUTION REACTIONS

BIGGI, GINO, DE HOOG, ARIE J., DEL CIMA, FRANCESCO, PIETRA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1973

File:

PDF, 210 KB

1973

45

Stereochemistry of ring enlargements with bridged systems. Comparison of the nitrous acid deamination of endo- and exo-2-aminomethylbicyclo[3.2.1]octan-2-ol with the reaction between bicyclo[3.2.1]-octan-2-one and diazomethane

Volpi, Erio, Del Cima, Francesco, Pietra, Francesco

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1974

Language:

english

File:

PDF, 692 KB

english, 1974

46

ChemInform Abstract: REAKTIVITAET PSEUDOAROMATISCHER VERBINDUNGEN 3. MITT. REAKTION VON 2-JOD-, 2-BROM- UND 2-CHLOR-TROPON MIT CHINUCLIDIN

PIETRA, FRANCESCO, BIGGI, GINO, DEL CIMA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 157 KB

1972

47

ChemInform Abstract: URSPRUNG HOHER ORTHO/PARA-REAKTIVITAETSVERHAELTNISSE BEI RK. VON FLUORNITROBENZOLEN MIT KALIUM-TERT.-BUTANOLAT IN TERT.-BUTANOL

DEL CIMA, FRANCESCO, BIGGI, GINO, PIETRA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1973

File:

PDF, 104 KB

1973

48

ChemInform Abstract: REAKTIVITAET PSEUDOAROMATISCHER VERBINDUNGEN 3. MITT. REAKTION VON 2-JOD-, 2-BROM- UND 2-CHLOR-TROPON MIT CHINUCLIDIN

PIETRA, FRANCESCO, BIGGI, GINO, DEL CIMA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 157 KB

1972

49

ChemInform Abstract: URSPRUNG HOHER ORTHO/PARA-REAKTIVITAETSVERHAELTNISSE BEI RK. VON FLUORNITROBENZOLEN MIT KALIUM-TERT.-BUTANOLAT IN TERT.-BUTANOL

DEL CIMA, FRANCESCO, BIGGI, GINO, PIETRA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1973

File:

PDF, 104 KB

1973

50

ChemInform Abstract: POTENTIELL BIFUNKTIONELLE REAKTANTEN, KINETIK DER AROMATISCHEN NUCLEOPHILEN SUBSTITUTION DURCH BENZAMIDIN UND N-BUTYLAMIN

BIGGI, GINO, DEL CIMA, FRANCESCO, PIETRA, FRANCESCO

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 109 KB

1972

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