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2 article(s) from Minassi, Alberto

Icilio Guareschi and his amazing “1897 reaction”

Gian Cesare Tron,
Alberto Minassi,
Giovanni Sorba,
Mara Fausone and
Giovanni Appendino

Beilstein J. Org. Chem. 2021, 17, 1335–1351, doi:10.3762/bjoc.17.93

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Figure 1: Icilio Guareschi (1847–1918). (Source: Annali della Reale Accademia di Agricoltura di Torino 1919, ...

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Scheme 1: Vitamin B₆ (pyridoxine, 1), gabapentin (2), and thymol (3).

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Figure 2: Baliatico (Nursing) by Francesco Scaramuzza (275 cm × 214 cm, Parma, Complesso Museale della Pilott...

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Figure 3: Schiff’s fictitious report on the foundation of the Gazzetta Chimica Italiana (Image reproduced fro...

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Scheme 2: Reaction of thymol (3) with chloroform under the basic conditions of the Guareschi–Lustgarten react...

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Figure 4: The chemistry building of Turin University in a historical picture. Note, that one of the “mysterio...

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Scheme 3: Triacetonamine (6) and the related compounds phorone (7), α-eucaine (8), and tropinone (9).

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Scheme 4: Taxonomy of the Guareschi pyridone syntheses.

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Scheme 5: The catalytic cycle of the “1897 reaction”.

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Scheme 6: Resonance forms of the radical 10.

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Figure 5: The wet chamber used by Guareschi to restore parchments (Gorrini, G. L'incendio della R. Biblioteca...

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Figure 6: The Guareschi mask. (Servizio Chimico Militare. L'opera di Icilio Guareschi precursore della masche...

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Figure 7: Guareschi’s bust at the Dipartimento di Scienza e Tecnologia del Farmaco of Turin University. Permi...

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Review

Published 25 May 2021

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Carbolithiation of N-alkenyl ureas and N-alkenyl carbamates

Julien Lefranc,
Alberto Minassi and
Jonathan Clayden

Beilstein J. Org. Chem. 2013, 9, 628–632, doi:10.3762/bjoc.9.70

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Scheme 1: Carbolithiation of ureas 1.

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Scheme 2: Diastereospecific carbolithiation of ureas 3.

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Scheme 3: Diastereospecific carbolithiation of ureas 5.

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Figure 1: X-ray crystal structure of urea 6c.

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Scheme 4: Synthesis of N-alkenyl carbamates 9–11.

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Figure 2: X-ray crystal structure of carbamate E-10.

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Scheme 5: Umpolung carbolithiation of carbamates 9 and 10.

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Full Research Paper

Published 28 Mar 2013

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