Journal of the American Chemical Society

Cyclic Thioureas

FB Zienty

文献索引：Zienty Journal of the American Chemical Society, 1946 , vol. 68, p. 1388

全文：HTML全文

被引用次数: 11

摘要

N, N'-Dibutyl-ethylenediamine (I).-Tn the preparation of this product, bp 110-111 O (8 m~ n.),~ yield, 64%, from five moles of butylamine and one mole of ethylene dichloride,'the high- boiling by-product obtained was identified as N, N', N"-tributyldiethylenetriamine (11), 6 bp 163-165'(8 mm.). Upon titration in acetone solution with aqueous hydrochloric acid using brom phenol blue indicator, only two nitrogens of (11) were titrated.(I) forms an insoluble ...