Diamines and their production

Details Diamines and their production Diamines and their production

C - Chemistry, Metallurgy

08

G

260/595.1, 260/6

C08G 69/26 (2006.01)

Patent

CA 1215389

3-13445/MAC 1804 ABSTRACT OF THE DISCLOSURE New Diamines and their production New compounds having the formula: X (YQNH2)p I wherein p is 1 or 2 and the residues QNH2 are the same or different and each is a residue of formula: Image wherein n is an integer from 1 to 15; R1 is C1-C8 alkyl; R2 is C1-C4 alkyl; or R1 and R2; together with the carbon atom to which they are attached, from a C5-C8 cycloalkylene residue; R3 is H or C1-C6 alkyl, C3-C8 cycloalkyl or C6-C10 aryl; and Y is a divalent residue of formula: Image wherein R4 and R5 are H or C1-C4 alkyl or, when p is 1, the group R4, together wlth the group X, can form a tetramethylene chain substituted by the group QNH2, X is NH2 or QNH2 or X may be combined with R4 as hereinbefore defined; and, when p is 2, X is a direct bond or a -CH2- or -O- residue; as well as salts with organic or inorganic acids; and stereoisomers of formula I; and are useful as intermediates for other compounds e.g. polyamides.

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