Convenient Syntheses of Tetraarylmethane Starting Materials.
β Scribed by Thomas J. Zimmermann; Thomas J. J. Mueller
- Book ID
- 101936219
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 31 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0931-7597
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract An improved classic Strecker synthesis was elaborated leading to racemic homopropargylglycine (Hpg) in 61% overall yield, while an asymmetric Strecker reaction produced Hpg and the higher homolog 2βaminoheptβ6βynoic acid in significantly higher yields and over 80% ee. Copyright Β© 2008 E
colchicine analogues I Endoperoxide transformations I Colchicine-allocolchicine rearrangement I Axial chirality I Biaryls I Alkaloids I Colchicum autumnale Optically pure dihydrocolchicine-8,12-endoperoxide 2 is used as the starting material for the synthesis of some bioactive allocolchicinoids. De
Diisopropyl 1,l -dichloroalkylphosphonates bearing mrious groups (alkyl, aryl, allyl, benzyl, phenylthiolate, trimethylsilyl) in the a-position were reduced to the corresponding primary I , 1 -dichlorophosphines by the LiAIH,-A~C~, system in diethyl ether. Subsequent dehydrochlorination with tertiar