Appeal 2006-3252
Application 09/536,728
1 methyl)imidazolidine" is a typographical error and (2) Example 14 describes
2 the preparation of 2-(3-diethylamino-2-methylphenylimino)imidazolidine.
3 The compound made by the process described in Example 14 has the
4 formula:
H
H H
N
H N
N
N CH3 H
H2C CH2
5 CH3 CH3
6
7 Formula 6
8 Formula 6 corresponds to Olson's overall Formula 4b when the R, R1
9 and R2 radicals of the overall formula are:
10 R is methyl [―CH3];
11 R2 is in the 3-position on the 6-membered aromatic ring and is
12 di(C1-3 alkyl)amino where the alkyl is ethyl: ―N(CH2CH3)2, which is two
13 ethyl groups attached to the amino nitrogen [N].
14 R1 is hydrogen [―H].
15
16 Stähle U.S. Patent
17 Stähle, U.S. Patent 4,213,995, describes certain compounds which are
18 said to be useful as hypotensives. Col. 1:5-10.
15
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Last modified: September 9, 2013