TERT-BUTYL
3,5 Di tert butyl 2 hydroxybenzaldehyde
... 3,5-Di-tert-butyl-2-hydroxybenzaldehyde, (I), with two bulky alkyl groups, is a very useful intermediate in organic synthesis. For example, some chiral salen-type Schiff base complexes, which can be easily ...
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Diethyl (4 tert butyl 1,3 thiazol 2 ylaminomethylene)malonate
... The structure of (I) comprises an essentially planar mol- ecule, except for the tert-butyl group, with resolved disorder of the aminomethylene atoms (Fig. 1). All the molecules in the unit cell lie ...
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(E) 5 tert Butyl 1 cinnamoylthiobiuret
... derivative with 1-tert-butylurea was successfully carried out using acetonitrile as solvent. To a stirred solution of 3-phenylprop-2-enoyl isothiocyanate (1.89 g, 10 mmol) in acetonitrile (10 ml) was slowly added ...
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3,5 Di tert butyl 2 hydroxybenzaldehyde
... A local pseudo-inversion centre is located between the two crystallographically independent molecules, and is broken by the disorder of the tert-butyl group involving atom C23. It is, in fact, the major ...
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5 tert Butyl 3 methyl 1H pyrazole at 240 K
... 1994; Aguilar-Parrilla et al., 1995; Fletcher et al., 1997; CSD refcodes WILBAU, YULNUO and RIVBAZ, respectively), the dimeric association is the only hydrogen-bonding mode observed. The aim of this paper is to study the ...
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4,6 Di tert butyl 2,3 dihydroxybenzaldehyde
... 2,3-bis(benzyloxy)-4,6-di-tert-butylbenzaldehyde ( 2 ). The compound 1 (20.1 g, 0.05 mol) was dissolved in THF (200 ml), and the solution was cooled to -78°C. TMEDA (7.5 ml, 0.05 mol) and BuLi in hexane (160 ml ...
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(R) N {2 tert Butyl 2 [(R) tert butylsulfonamido]ethylidene} tert butanesulfonamide
... R-1-Amino-1-tert-butyl-N,N′-bis[(R)- N-tert-butanesulfinyl]-2-iminoethane was prepared from bis-[(R)-N-tert-butane- sulfinyl]ethanediimine (264 mg, 1.00 mmol). The solution of ...
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2 tert Butyl 4,6 dinitrophenol
... 4-tert- butyl-3-methoxy-2,6-dinitrotoluene (De Ridder et ...2,6-di-tert- butyl-4-nitrophenol, with simple organic bases, we character- ized the structure of the title compound and report it ...
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4 tert Butyl γ chlorobutyrophenone
... The title compound, 4-tert-butyl-γ-chloro-butyrophenone (or 4′-tert-butyl-4-chlorobutyrophenone), (I), belongs to the chemical class of butyrophenones, which are used as tranquillizers and act ...
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2,4 Di tert butyl 6 [1 (3,5 di tert butyl 2 hydroxyphenyl)ethyl]phenyl 4 methylbenzenesulfonate
... 6,6′-(ethane-1,1-diyl)bis(2,4-di-tert-butylphenol) (4.38 g, 10 mmol) and triethylamine (14 mL, 100 mmol) were dissolved in 100 ml of dichloromethane. 4-Methylbenzene-1-sulfonyl chloride (2.09 g, 11 mmol) in ...
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Di tert butyl 2 (tert butyloxycarbonylmethoxy)phenyliminodiacetate
... The title compound was prepared by the addition of anhydrous sodium carbonate (29 g, 106 mmol) and anhydrous sodium iodide (1.7 g, 11.5 mmol) to a solution of 2-aminophenol (5 g, 45.8 mmol) in dry acetonitrile (100 ml). ...
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(4aSR,7RS,9aRS) 7 tert Butyl 9a methyl 5,5 dioxo 1,2,4a,9a tetrahydro 8 oxa 5λ6 thiabenzocycloheptan 9 one
... The seven-membered ring displays a boat-like conforma- tion with the bulky tert-butyl group in a pseudo-equatorial position. In the crystal structure, some weak intermolecular C—H O interactions with H O ...
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Cyclopropyl m nitrophenyl ketone
... the tert-butyl compound), these ketones unexpectedly underwent a high degree of ortho nitration, especially with acetyl nitrate, a phenomenon we attribute to complexation of the nitrating agent with the ...
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Antimutagenic and DNA Damage Protective Activities of a Grape Extract from Vitis vinifera
... The protective effect of the extract was independently evaluated with the Ames test using Salmonella typhi- murium His − TA102 suitable to detect mutagenic effects of oxidative compounds. The evaluation of antimuta- ...
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31 Benzyloxy 5,11,17,23,29 penta tert butylcalix[5]arene 32,33,34,35 tetraol
... conformation. The aryloxybenzyl ring is tilted in such a way that the p-tert-butyl group fills the macrocycle cavity, while the benzyl group moves away from the cavity axis. In the crystal, this ...
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Conformations of Organophosphine Oxides Nuwan De Silva, Federico Zahariev, Benjamin P. Hay, Mark S. Gordon, and Theresa L. Windus
... The conformations of a series of organophosphine oxides, OP(CH3)2R, where R = methyl, ethyl, isopropyl, tert-butyl, vinyl, and phenyl, are predicted using the MP2/cc-pVTZ level of theory. Comparison of ...
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2,2,6,6 Tetramethyl 3,5 bis(2,6 diisopropylphenylimino)heptane at 150 K
... the tert-butyl groups (C1, C8 and C36) adopt an anti orientation with respect to each other; this is clearly a result of the steric bulk of the tert-butyl groups, as the equivalent methyl ...
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OH ETBE EtOH TBA
... Ethyl tert-butyl ether (ETBE) from ethanol and tert-butyl alcohol (TBA) has been studied in reactive distillation column (RDC) using ion exchange resin catalyst ...
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tert Butyl 2 benzoyl 2 methylpropanoate
... comparison of all four substitution compounds will be given in the fourth paper of this series (Crosse et al., 2010a). The molecule, Fig. 1, displays a bent geometry with a dihedral angle between the mean planes of the ...
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Effects of Metal Phthalocyanines as Hole transporting Layers of Perovskite based Solar Cells
... (VOPc), vanadyl naphthalocyanine (VONc) and, tetrakis (tert-butyl)[bis(trihexylsiloxy)germanium phthalocyanine] (GePc) doped 2,2',7,7'-tetrakis-(N,N-di-4-methoxy phenyl amino)-9,9'-spirobifluorene ...
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