Ra. Moss et al., THE VALENCE TAUTOMERS OF O-IODOSOBENZOIC ACID - THE CASE OF 4-PENTYL-2-IODOSOBENZOIC ACID, Chemical communications, (15), 1998, pp. 1559-1560
Contrary to a previous report, only the closed (iodoxolone) form of 4-
pentyl-2-iodosobenzoic acid (3a) can be isolated; the previously assig
ned open (iodoso) form (3b) is actually 4-pentanoyl-2-iodobenzoic acid
.