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6-Bromo-2,3-dihydro-5,7-dimethyl-1,4-diazepinium picrate and 6-bromo-2,3-dihydro-1,4-diazepinium picrate

✍ Scribed by Ferguson, G. ;Parvez, M. ;Lloyd, D. ;McNab, H. ;Marshall, D. R.

Book ID
114506965
Publisher
International Union of Crystallography
Year
1990
Tongue
English
Weight
453 KB
Volume
46
Category
Article
ISSN
0108-2701

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Experiments towards the Preparation of 6-Hydroxy-,6-Methoxy-, and 6-(hydroxyphenyl)-2,3-dihydro-1,4-diazepinium Salts and 1,2-Dihydro-5-(Hydroxyphenyl)-2-oxopyrimidinium Salts
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The preparation of a number of 2,3-dihydro-6-(hydroxyphenyl)-1,4-diazepinium salts (11 c -f) and of 1,2-dihydro-5-(hydroxyphenyl)-2-oxopyri1nidinium salts (17a, b) from 3-(hydroxypheny1)vinamidinium salts (10 b, c) is described. Attempted preparation of a 3-(2-hydroxypheny1)vinamidinium salt gave in