| 摘要 |
The present invention relates to new lipopeptides and in particular to compounds of either of the formulae <IMAGE> (I) *= R **= R or S or R/S <IMAGE> (I') n = 1,2 *= R/S or R or S wherein R1 and R2 each represent a saturated or unsaturated aliphatic or mixed aliphatic-cycloaliphatic hydrocarbon radical which has 11-21 C atoms and which is also optionally substituted by oxygen functions, R3 represents hydrogen or the radical R1 -CO-O-CH2-, where R1 has the same meaning, R1' is a saturated or unsaturated aliphatic hydrocarbon radical of at least 9 C atoms, which is optionally substituted at one of the C atoms non adjacent to the sulfur atom by a free hydroxyl group or a hydroxyl group esterified with a monobasic carboxylic acid and which is optionally interrupted in the C atoms chain by one or more oxygen atoms, and which hydrocarbon is optionally substituted by a maximum of 2 cycloaliphatic hydrocarbon radicals having 5-8 ring C atoms, or R1' is the radical -CO-R1'', wherein R1'' represents a saturated or unsaturated aliphatic or mixed aliphatic-cycloaliphatic hydrocarbon radical of 11-21 C-atoms and which is optionally interrupted in the C atoms chain by oxygen atoms, and X represents an amino acid with free esterified or amidated carboxyl group, or an amino acid sequence of 2-10 aliphatic amino acids, the terminal carboxyl group of which is free or in the ester or amide form, the amino acids being naturals ones in the case of compounds of formula (1). |
