1,1′-Bis(3-methyl-3-phenylcyclobutyl)-2,2′-(azanediyl)diethanol
نویسندگان
چکیده
منابع مشابه
(Benzofuran-2-yl)(3-methyl-3-phenylcyclobutyl)methanone.
The structure of the title compound, C20H18O2, consists of a dimeric arrangement of benzofuran molecules around an inversion centre, linked via C-H...O hydrogen bonds. There are also C-H...pi ring interactions. All these interactions result in the formation of infinite chains parallel to the [100] axis. The cyclobutane ring is puckered, with a dihedral angle of 29.03 (13) degrees between the tw...
متن کاملStudies on the synthesis and reactivity of novel benzofuran-2-yl-[3-methyl-3-phenylcyclobutyl] methanones and their antimicrobial activity.
Preparation in excellent yields of cyclobutyl benzofuran-2-yl- and naphthofuran- 2-yl-ketones, the corresponding ketoximes and thiosemicarbazones, ether derivatives of the ketoximes and thiazoles derived from the thiosemicarbazones are described. Two of the synthesized compounds have been tested against eight different microorganisms and found to be active against some of the species studied.
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Before presenting any integer data structures, we present some models for computations with integers (both to precisely state what we are looking for, and as a framework to prove lower bounds). In each model, memory is arranged as a collection of words of some size (and potentially a small amount of working memory), and a fixed cost is charged for each operation. We also always make the fixed u...
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2.1 Regression Problem Statement Given A ∈ Rn×d and b ∈ Rn, Find x ∈ Rd minimizing ‖Ax− b‖2. (n d) A is given data composed of n rows of size d which indicates the d different features. And for those n items, vector b is composed of n outcomes corresponding to each 1× d feature vector. By finding solution x ∈ minimizing ‖Ax− b‖2, we can find an approximate linear mapping between A and b via x: ...
متن کاملSensors 2002, 2, 11-22
Macroporous silicon has been etched from n-type Si, using a vertical etching cell where no rear side contact on the silicon wafer is necessary. The resulting macropores have been characterised by means of Scanning Electron Microscopy (SEM). After etching, SiO2 was thermally grown on the top of the porous silicon as an insulating layer and Si3N4 was deposited by means of Low Pressure Chemical Va...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2012
ISSN: 1600-5368
DOI: 10.1107/s1600536812010203