A one-step procedure for the selective trifluoroacetylation of primary amino groups of polyamines
β Scribed by Mary C. O'Sullivan; Damon M. Dalrymple
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- French
- Weight
- 154 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
## Abstract For Abstract see ChemInform Abstract in Full Text.
Two tin@) complexes, Sn(SPhh-and Sn(C4H406)g2-. besides NaHSo3. are involved in a procedure developed for the rapid transfmation at pH 5-6 of R-CHZ-NO2 into R-CHOH-S03Na. from which the de&d aldehydes have been isdated in 80-91% overall yields. llms, a new ahemative to the Nef maction is now in hand
Adsorption to Matrex Gel Green A and successive elution with uridine provides a one-step procedure for the purification of uridine phosphorylase from Escherichia coli B. The homogeneous preparation of the enzyme can be obtained within a single day with an activity recovery above 80%.