Appeal No. 94-4265
Application 08/035,915
aminoalkyl group;
a group represented by the formula
7 8 9
wherein R , R , and R are the same or different and each represents hydrogen, methyl, ethyl, an
7 8 8 9
amino-protecting group, or R and R or R and R , together with the atom or atoms to which they
8 9
are attached, form a ring and when R and R form a ring, they together represent ethylene, tri-
7 8 7 8
methylene, tetramethylene, when R and R form a ring, R and R together represent ethylene or
trimethylene;
an aryl-substituted alkyl group, selected from the group consisting of benzyl, p-methoxy-
benzyl, m-nitrobenzyl, o-methylbenzyl, p-bromobenzyl and p-aminobenzyl; furfuryl;
an alkyl group having a non-aromatic heterocyclic substituent, the alkyl group of which is a
C -C alkyl, and the non-aromatic heterocyclic substituent is selected from the substituted or
1 4
unsubstituted non-aromatic heterocyclic groups within the definition hereinbefore of R ; 4
an alkenyl group or a substituted alkenyl group, selected from the group consisting of vinyl,
allyl, 1-propenyl and 2-butenyl;
an alkynyl group or a substituted alkynyl group selected from the group consisting of ethynyl,
2-propynyl and 1-propynyl;
and when R represents a substituted alkenyl or alkynyl group as defined above, the4
16 17
substituents are selected from the group consisting of the formula ) NR R wherein
16 17
R and R are the same or different and each represents hydrogen, methyl, ethyl,
propyl, isopropyl group, ormyl, acetyl, propionyl, isobutyryl, chloroacetyl, trifluoro-
acetyl, benzoyl group or an amino-protecting group; groups of the formula
18 18
) CONHR , wherein R represents a hydrogen, methyl, ethyl, propyl, or an amino-
18
protecting group; groups of the formula ) NHCONHR ; groups of the formula
19 19
) COOR ; wherein R represents hydrogen, methyl, ethyl, propyl or a carboxy-
20 20
protecting group; groups of the formula ) SR , wherein R represents hydrogen,
methyl, ethyl, propyl, allyl, vinyl, 1-methylvinyl, 1-propenyl, ethynyl, 2-propynyl, 1-
propynyl, cyclopropyl, cyclopentyl, cyclohexyl, cyclopropylmethyl, cyclopentyl-
methyl, 2-cyclohexylethyl, 2-cyclopentylethyl, benzyl, phenethyl, p-methoxybenzyl,
p-bromobenzyl phenyl, p-tolyl, p-methoxyphenyl, thienyl, furyl, imidazolyl, pyridyl,
,
thienylmethyl, 2-thienylethyl, pyridylmethyl, imidazolylmethyl and thiazolymethyl;
20 21 21
groups of the formula ) S(:0)R ; groups of the formula ) SO R wherein R
2
-15-
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