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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 31, 2001 - Issue 17
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Original Articles

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

Gianluigi Broggini Dipartimento di Scienze Chimiche, Fisiche e Matematiche, Università dell'Insubria, via Lucini 3, Como, 22100, Italy
,
Luisa Garanti Dipartimento di Chimica Organica e Industriale, Università di Milano, via Golgi 19, Milano, 20133, Italy
,
Giorgio Molteni Dipartimento di Chimica Organica e Industriale, Università di Milano, via Golgi 19, Milano, 20133, Italy
&
Tullio Pilati Dipartimento di Chimica Organica e Industriale, Università di Milano, via Golgi 19, Milano, 20133, Italy
Pages 2649-2656 | Received 02 Aug 2000, Published online: 09 Nov 2006

REFERENCES

  • Broggini , G. , Garanti , L. , Molteni , G. and Zecchi , G. 1999 . Tetrahedron: Asymmetry , 10 : 487
  • Broggini , G. , Garanti , L. , Molteni , G. , Pilati , T. , Ponti , A. and Zecchi , G. 1999 . Tetrahedron: Asymmetry , 10 : 2203
  • Molteni , G. and Pilati , T. 1999 . Tetrahedron: Asymmetry , 10 : 3873
  • Broggini , G. , Casalone , G. , Garanti , L. , Molteni , G. , Pilati , T. and Zecchi , G. 1999 . Tetrahedron: Asymmetry , 10 : 4447
  • Broggini , G. , Molteni , G. and Pilati , T. 2000 . Tetrahedron: Asymmetry , 11 : 1975
  • Personal communication from the National Institute of Health (Bethesda, Maryland, USA) to the Senior Author
  • The IR spectra of crude 4a–c exhibited the typical N–H strech band of hydrazonoyl chlorides at 3240–3250 cm−1
  • Altomare , A. , Cascarano , G. , Giacovazzo , G. , Guagliardi , A. , Burla , M. C. , Polidori , G. and Camalli , G. 1994 . J. Appl. Crystallogr. , 27 : 435
  • Sheldrick , G. M. 1997 . SHELX97. Program for the Refinement of Crystal Structures University of Goettingen Germany .

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