General claims as support for property transaction (9)
I believe the answer is:
'property transaction' is the definition.
(type of property transaction)
'general claims as support' is the wordplay.
'general' becomes 'lee' (Robert E. Lee - US revolutionary commander).
'claims' is an insertion indicator.
'support' becomes 'back' (synonyms).
'lee' enclosing 'as' is 'lease'.
'for' acts as a link.