This study shows that the surface of Japanese CP vials was contaminated and that it was probable that healthcare workers were exposed to CP. CP absorption by the pharmacist was probably due to dermal uptake while dispensing. Washing the vial is considered effective to avoid CP exposure. Manufacturers should be more proactive to prevent contamination and healthcare workers should comply with exposure prevention rules. Cytotoxic drugs should be included in institution monitoring lists.
The residual-related volume was marked in its low preparation volume. In water-soluble drugs, the residual volume of PhaSeal was lowest of the devices in this study, but in viscous drugs, such as etoposide, the residual volume of PhaSeal was almost identical to Chemo CLAVE; that is, the residual volume of these devices was affected by the solution property. The residual-related volume in the devices will lead to errors; therefore, residual-related errors need to be considered in the use of these devices.
The Ugi reaction is a useful four-component coupling reaction for α-(acylamino)amide. However, selective transformation of the two amides is generally difficult. Here, we report 1-hydroxy-2-methyl-2-propyl isocyanide (HMPI) as a new member of a 'convertible isocyanide' class used to solve the problem. HMPI is odorless and shows good reactivity in the Ugi reaction to give N-(1hydroxy-2-methyl-2-propyl) amides, which are smoothly converted into esters upon Zn(OTf) 2 -mediated solvolysis. Overall, structurally diverse α-amino acid esters are readily accessible in two steps by using HMPI.
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