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1)  Spirallike mappings of typeβand orderα
α次的β型螺形映射
2)  Strongly spirallike mappings of typeβand orderα
α次的强β型螺形映射
3)  Almost spirallike mapping of typeβand orderα
α次的殆β型螺形映射
4)  almost spirallike mappings of type β and order α
α次的殆β型螺形映照
5)  spirallike mapping of typeβand orderα
α次的β型螺形映照
6)  parabolic and spiralike mappings of typeβand orderρ
ρ次的抛物形的β型螺形映射
1.
Among which parabolic starlike mappings can be inte-grated in the parabolic starlike mappings of orderρ, parabolic and spiralike mappings oftypeβcan be integrated in parabolic and spiralike mappings of typeβand orderρ, andthe former three types of mapping can be unified in parabolic and spiralike mappings oftypeβand or.
本文中,我们分别在C~n、复Hilbert和复Banach空间中研究了:抛物星形映射、ρ次的抛物星形映射、抛物形的β型螺形映射和ρ次的抛物形的β型螺形映射。
补充资料:2α,17α-Diethinyl-A-nor-5α-androstane-2β,17β-diol
分子式:C22H30O2
分子量:326.48
CAS号:52-74-4

性质:产品为结晶化合物。

制备方法:可用3β-乙酰氧基雄甾-5-烯-17-酮经催化氢化、水解,生成3β-羟基雄甾烷-17-酮,然后以铬酸氧化开环(A)、环合得A-失碳雄甾烷-2,17-二酮,最后以乙炔炔化制得该品。

用途:双炔失碳丙酯的中间体。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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