Recent advances in the chemo-biological characterization of decalin natural products and unraveling of the workings of Diels–Alderases

Table 1 Antimicrobial activities of 1, 5 and their reduced forms against a panel of Gram-positive and negative bacteria

Test organism	MIC [µg/mL]
Test organism	Altersetin (5)	Hexahydro- altersetin	Equisetin (1)	Tetrahydro- equisetin
Staphylococcus aureus 133	0.5	2	1	2
Staph. epidermidis 193	1	2	1	2
Staph. aureus 44	0.5	2	1	2
Streptococcus pyogenes Wacker	2	4	4	8
Enterococcus faecium L 4001	4	4	4	8
Ent. faecalis 27251	2	2	4	4

ISSN: 2054-3085