This general approach resulted in several commercially available prodrugs, including pivampicillin, bacampicillin, and talampicillin.
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GP9697 Talampicillin hydrochloride
 Ampicillin phthalidyl ester naphthalene 2-sulphonate, hereinafter referred to as talampicillin napsylate, has the structure (A) :
wherein the group R is an organic acyl group (preferably of a naturally-occurring penicillin) with an agent forming an imino halide on the 6-amino atom;
Ampicillin phthalidyl ester naphthalene 2-sulphonate, hereinafter referred to as talampicillin napsylate, has the structure (A):
This penicillin, hereinafter referred to as talampicillin, and its acid addition salts produce high serum concentrations of the parent penicillin, ...
塩酸タランピシリン（タランピシリン塩酸塩） Talampicillin Hydrochloride 250mg
Patent WO1996012817A1 - Combination method for acne treatment - Google Patents
This compound is directly coupled to 6-chloropurine under Mitsunobu conditions (Mitsunobu, Synthesis, 1:1-28, 1981) to give the protected carbocyclic ...
Applicants have developed a process for purifying an ampicillin pro-drug ester, e.g., bacampicillin, or an acid addition salt thereof of formula I.
Thus, the penicillin G ester II is reacted with phosphorous pentachloride at low temperature followed by an alcohol, e.g. methanol, and water, ...
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