393770
1,3-Benzodithiolylium tetrafluoroborate
98%
Synonym(s):
BDTF
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About This Item
Empirical Formula (Hill Notation):
C7H5BF4S2
CAS Number:
Molecular Weight:
240.05
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
4731453
Assay:
98%
Form:
solid
InChI
1S/C7H5S2.BF4/c1-2-4-7-6(3-1)8-5-9-7;2-1(3,4)5/h1-5H;/q+1;-1
SMILES string
F[B-](F)(F)F.c1ccc2[s+]csc2c1
InChI key
CUSWPJQKCZMDPY-UHFFFAOYSA-N
assay
98%
form
solid
mp
150 °C (dec.) (lit.)
General description
1,3-Benzodithiolylium tetrafluoroborate (BDTF, 1,3-BDYT) is an electrophilic compound. It is a salt of 1,3-benzodithiolylium ion.
1,3-Benzodithiolylium tetrafluoroborate is a carbenium ionic compound. It has been synthesized by reacting 1,3-benzodithiole with trityl tetrafluoroborate. It is widely used as an α-alkylating agent for the enantioselective α-alkylation of aldehydes., The nature of adsorption of 1,3-benzodithiolylium tetrafluoroborate on various carbon nanotubes (CNTs) has been studied. 1,3-Benzodithiolylium tetrafluoroborate reacts with different nucleophilic reagents at the 2-position to form the respective 1,3-benzodithioles.
Application
1,3-Benzodithiolylium tetrafluoroborate may be used in the synthesis of the following:
- Dibenzotetrathiafulvalene by reacting with 1,8-diazabicyclo[5.4.0]undec-7-ene.
- Substituted arylcarbenium ions by reacting with boronic derivatives.
- α-(1,3-benzodithiol-2-ylidene) ketones and 1,3-benzodithiole by reacting with ketones.
- 2-styryl-1,3-benzodithioles by reacting with styryl-type cobaloximes.
- 2-(3-indolyl)-1,3-benzodithiolylium tetrafluoroborate by reacting with indole.
- 2-(1,3-benzodithiol-2-ylidene)-3,5-cyclohexadien-1-ones and 4-(1,3-benzodithiol-2-ylidene)-2,5-cyclohexadien-1-ones by reacting with 2,4- and 2,6-disubstituted phenols.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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The Facile and Direct Formylation of Organoboron Aromatic Compounds with Benzodithiolylium Tetrafluoroborate.
Petruzziello D, et al
European Journal of Organic Chemistry, 2013(22), 4909-4917 (2013)
1, 3-Benzodithiolylium salts. Synthesis and reactions with nucleophilic reagents.
Nakayama J, et al
Bulletin of the Chemical Society of Japan, 49(12), 3567-3573 (1976)
Masashi Mamada et al.
Acta crystallographica. Section E, Structure reports online, 65(Pt 9), o2083-o2083 (2009-01-01)
Crystals of the title compound (DBTTF), C(14)H(8)S(4), feature a triclinic polymorph different from two known monoclinic polymorphs. In this form, there are two independent centrosymmetric half-mol-ecules in the asymmetric unit. Although the mol-ecular orientations are relatively similar to one of
Riccardo Porta et al.
ChemSusChem, 7(12), 3534-3540 (2014-10-23)
The use of immobilized metal-free catalysts offers the unique possibility to develop sustainable processes in flow mode. The challenging intermolecular organocatalyzed enantioselective alkylation of aldehydes was performed for the first time under continuous flow conditions. By using a packed-bed reactor
Adsorption of 1, 3-benzodithiolylium tetrafluoroborate (1, 3-BDYT) on carbon nanotubes.
Park S, et al
The Journal of the Korean Physical Society, 57(1), 1-4 (2010)
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