𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Addition of Maleic Anhydride to 2-Isopropyl-2-oxazoline

✍ Scribed by Dr. Rudolf Nehring; Dr. Wolfgang Seeliger

Publisher
John Wiley and Sons
Year
1970
Tongue
English
Weight
124 KB
Volume
9
Category
Article
ISSN
0044-8249

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✦ Synopsis

  1. A mixture of KH[PH03] and 40% H F (molar ratio 1 : 1.5) is evaporated to dryness over P4O10 and KOH in a vacuum desiccator. After a few days, the crystalline mass (or sometimes syrup) is extracted with methanol as above.

Method 1 is superior to the other. Elemental analysis (K, P, F) confirmed the composition of ( I ) ; mol. wt. found by alkalimetric titration to be 139 (calc. 140).

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