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Acetalization Reagents, Thioacetalization Reagents [Protecting Reagents]

 Acetals and thioacetals are used for the protection of hydroxy groups and thiol groups, the same as for carbonyl groups of aldehydes and ketones. The protecting groups are introduced by the reaction of alcohols or thiols with carbonyl compounds under acidic conditions. Acetals are stable under basic conditions and reductive conditions, and are inert against nucleophiles such as organometallic reagents. The deprotections are carried out by hydrolysis under acidic conditions. Thioacetals are usually stable in both acidic and basic aqueous solutions, and deprotected by hydrolysis with the assist of mercury salts.
 In addition, it is known that dithiotosylates can be used for converting active methylene compounds into cyclic dithioacetals and the given cyclic dithioacetals are further transformed into carbonyl groups by hydrolysis. Also, the starting methylene groups are given by reductive desulfurization.1,2)
26 Results Found
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Product Number D0626
CAS RN 613-45-6
Purity / Analysis Method: >98.0%(GC)

Product Number B1151
CAS RN 57842-27-0
Purity / Analysis Method: >96.0%(T)

Product Number B1197
CAS RN 1125-88-8
Purity / Analysis Method: >98.0%(GC)

Product Number B1257
CAS RN 32783-20-3
Purity / Analysis Method: >97.0%(GC)

Product Number D0791
CAS RN 126-30-7
Purity / Analysis Method: >98.0%(GC)

Product Number A0057
CAS RN 77-76-9
Purity / Analysis Method: >98.0%(GC)

Product Number I0303
CAS RN 116-11-0
Purity / Analysis Method: >95.0%(GC)

Product Number B3563
CAS RN 17887-80-8
Purity / Analysis Method: >98.0%(GC)

Product Number B2379
CAS RN 100-52-7
Purity / Analysis Method: >98.0%(GC)

Product Number E0471
CAS RN 2225-23-2
Purity / Analysis Method: >98.0%(HPLC)

Product Number B3577
CAS RN 118736-04-2
Purity / Analysis Method: >98.0%(GC)

Product Number A1247
CAS RN 2186-92-7
Purity / Analysis Method: >97.0%(GC)

Product Number:   D0626 | Purity / Analysis Method:   >98.0%(GC)

Product Number:   B1197 | Purity / Analysis Method:   >98.0%(GC)

Product Number:   B1257 | Purity / Analysis Method:   >97.0%(GC)

Product Number:   D0791 | Purity / Analysis Method:   >98.0%(GC)

Product Number:   A0057 | Purity / Analysis Method:   >98.0%(GC)

Product Number:   I0303 | Purity / Analysis Method:   >95.0%(GC)

Product Number:   B3563 | Purity / Analysis Method:   >98.0%(GC)

Product Number:   B2379 | Purity / Analysis Method:   >98.0%(GC)

Product Number:   E0471 | Purity / Analysis Method:   >98.0%(HPLC)

Product Number:   B3577 | Purity / Analysis Method:   >98.0%(GC)

Product Number:   A1247 | Purity / Analysis Method:   >97.0%(GC)

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