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Zur Herstellung von PQQ in kg-Mengen (1993)

Martin, Pierre ; Steiner, Eginhard ; Auer, Kurt ; [et al.]

New York, NY : Wiley-Blackwell

Helvetica Chimica Acta 76 (1993), S. 1667-1673

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ISSN: 0018-019X

Keywords: Chemistry ; Organic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Preparation of PQQ in the kag ScaleThe improvement of the PQQ synthesis according to the method of Corey and Tramontano allows the preparation of the triester of this cofactor in the kg scale with an overall yield of 13% (average 78% per step), without a bottleneck in the sequence and with crystalline, analytically pure intermediates. The new purification of free PQQ from conc. H2SO4 is remarkable with respect to the application as well as to the stability of this natural product.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/hlca.19930760423

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