Table 1 Physico-chemical properties of 1

From: Angiolactone, a new Butyrolactone isolated from the terrestrial myxobacterium, Angiococcus sp.

 

1

Appearance HR-ESI-MS (m/z)

Yellow oil

Found

389.1746 [M+Na]+

Calcd

389.1729 (C23H26O4Na)

[α]D (MeOH) c (0.03)

(+) 39°

UV λmax nm (log ɛ) (MeOH)

260 (4.55)

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