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1,3-dibromo-2-propanol - CAS 96-21-9

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Category
Main Product
Product Name
1,3-dibromo-2-propanol
Catalog Number
96-21-9
Synonyms
1,3-Dibromo-2-hydroxypropane; 1,3-dibromo-2-propano; 1,3-Dibromo-isopropylalcohol; 1,3-Dibromopropanol; 1,3-Dibromopropylalcohol; 2-Hydroxy-1,3-dibromopropane; alpha,gamma-Dibromohydrin; alpha-Dibromohydrin
CAS Number
96-21-9
Molecular Weight
217.89
Molecular Formula
C3H6Br2O
COA
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MSDS
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Structure
CAS 96-21-9 1,3-dibromo-2-propanol
Specification
Purity
95%
Boiling Point
219ºC
Density
2.13
Appearance
Amber liquid.
Physical Description
1,3-Dibromo-2-propanol pract., 85% (100g)
Storage
Refrigerator
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Reference Reading
1.Polydentate N(2)S(2)O and N(2)S(2)O(2) Ligands as Alcoholic Derivatives of (N,N'-Bis(2-mercaptoethyl)-1,5-diazacyclooctane)nickel(II) and (N,N'-Bis(2-mercapto-2-methylpropane)-1,5-diazacyclooctane)nickel(II).
Goodman DC1, Buonomo RM, Farmer PJ, Reibenspies JH, Darensbourg MY. Inorg Chem. 1996 Jun 19;35(13):4029-4037.
The synthesis, structural characterization, spectroscopic, and electrochemical properties of N(2)S(2)-ligated Ni(II) complexes, (N,N'-bis(2-mercaptoethyl)-1,5-diazacyclooctane)nickel(II), (bme-daco)Ni(II), and (N,N'-bis(2-mercapto-2-methylpropane)1,5-diazacyclooctane)nickel(II), (bme-daco)Ni(II), derivatized at S with alcohol-containing alkyl functionalities, are described. Reaction of (bme-daco)Ni(II) with 2-iodoethanol afforded isomers, (N,N'-bis(5-hydroxy-3-thiapentyl)-1,5-diazacyclooctane-O,N,N',S,S')halonickel(II) iodide (halo = chloro or iodo), 1, and (N,N'-bis(5-hydroxy-3-thiapentyl)-1,5-diazacyclooctane-N,N',S,S')nickel(II) iodide, 2, which differ in the utilization of binding sites in a potentially hexadentate N(2)S(2)O(2) ligand. Blue complex 1 contains nickel in an octahedral environment of N(2)S(2)OX donors; X is best modeled as Cl. It crystallizes in the monoclinic space group P2(1)/n with a = 12.580(6) Å, b = 12.291(6) Å, c = 13.
2.Palladium-phosphorus/sulfur nanoparticles (NPs) decorated on graphene oxide: synthesis using the same precursor for NPs and catalytic applications in Suzuki-Miyaura coupling.
Joshi H1, Sharma KN, Sharma AK, Singh AK. Nanoscale. 2014 May 7;6(9):4588-97. doi: 10.1039/c3nr06586c.
PdP2 and Pd4S nanoparticles (NPs) (size: ∼2-6 and 9-15 nm respectively) have been prepared for the first time from a single source precursor complex [Pd(L)Cl2] (1) by its one pot thermolysis at 200 °C in TOP and OA/ODE (1 : 1) respectively. These NPs were stirred with graphene oxide (GO) at room temperature to prepare NP composites, GO-PdP2 and GO-Pd4S. The GO-PdP2 NPs have been synthesized for the first time. The thioether ligand L prepared by reaction of 1,3-dibromo-2-propanol with the in situ generated PhSNa reacts with [PdCl2(CH3CN)2] in CH3CN at 70 °C resulting in 1. The L and 1 have been characterized by (1)H and (13)C{(1)H} NMR and HR-MS. The single crystal structure of 1 determined by X-ray diffraction reveals nearly square planar geometry around the Pd metal centre. The catalytic activities of two palladium nano-phases having phosphorus and sulphur respectively as a co-constituent for Suzuki-Miyaura coupling have been found to be exceptionally different, as PdP2 nanoparticles (NPs) grafted on graphene oxide (GO-PdP2) are significantly more efficient than Pd4S NPs grafted on GO.
3.Structure-toxicity relationships for selected halogenated aliphatic chemicals.
Akers KS1, Sinks GD, Schultz TW. Environ Toxicol Pharmacol. 1999 Mar;7(1):33-9.
Toxicity to the ciliate Tetrahymena pyriformis (log(IGC(50)(-1))) for 39 halogen-substituted alkanes, alkanols, and alkanitriles were obtained experimentally. Log(IGC(50)(-1)) along with the hydrophobic term, logK(ow) (1-octanol/water partition coefficient) and the electrophilic parameter, E(lumo) (the energy of the lowest unoccupied molecular orbital) were used to develop quantitative structure-activity relationships (QSARs). Two strong hydrophobic dependent relationships were obtained: one for the haloalkanes and a second for the haloalcohols. The relationship for the haloalkanes [log(IGC(50)(-1))=0.92 (logK(ow))-2.58; n=4, r(2)=0.993, s=0.063, f=276, Pr>f=0.0036] was not different from baseline toxicity. With the rejection of 1,3-dibromo-2-propanol as a statistical outlier, the relationship [log(IGC(50)(-1))=0.63(logK(ow))-1.18; n=19, r(2)=0.860, s=0.274, f=104, Pr>f=0.0001] was observed for the haloalcohols. No hydrophobicity-dependent model (r(2)=0.
4.Chemically crosslinked protein dimers: stability and denaturation effects.
Byrne MP1, Stites WE. Protein Sci. 1995 Dec;4(12):2545-58.
Nine single substitution cysteine mutants of staphylococcal nuclease (nuclease) were preferentially crosslinked at the introduced cysteine residues using three different bifunctional crosslinking reagents; 1,6-bismaleimidohexane (BMH), 1,3-dibromo-2-propanol (DBP), and the chemical warfare agent, mustard gas (bis(2-chloroethyl)sulfide; mustard). BMH and mustard gas are highly specific reagents for cysteine residues, whereas DBP is not as specific. Guanidine hydrochloride (GuHCl) denaturations of the resulting dimeric proteins exhibited biphasic unfolding behavior that did not fit the two-state model of unfolding. The monofunctional reagent, epsilon-maleimidocaproic acid (MCA), was used as a control for the effects of alkylation. Proteins modified with MCA unfolded normally, showing that this unusual unfolding behavior is due to crosslinking. The data obtained from these crosslinked dimers was fitted to a three-state thermodynamic model of two successive transitions in which the individual subunits cooperatively unfold.
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