227439
Lawesson 试剂
90%
别名:
2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane, 2,4-Bis-(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-disulfide, 4-甲氧基苯基硫代磷环二(硫代酸酐), LR
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关于此项目
经验公式（希尔记法）:
C14H14O2P2S4
化学文摘社编号:
分子量:
404.47
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1024888
Assay:
90%
Form:
powder
产品名称
Lawesson 试剂, 90%
InChI
1S/C14H14O2P2S4/c1-15-11-3-7-13(8-4-11)17(19)21-18(20,22-17)14-9-5-12(16-2)6-10-14/h3-10H,1-2H3
SMILES string
COc1ccc(cc1)P2(=S)SP(=S)(S2)c3ccc(OC)cc3
InChI key
CFHGBZLNZZVTAY-UHFFFAOYSA-N
assay
90%
form
powder
mp
228-230 °C (lit.)
Quality Level
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Application
Lawesson试剂可用作合成以下成分的试剂：
- 通过与β--萘酚和8-羟基喹啉的曼尼希碱反应合成甲氧基苯基硫代磷环-3-硫醇衍生物。
- 在存在亚磷酸三烷基酯的条件下，通过与苯甲醛反应生成1,3,5,2-三硫代膦烷-2-硫化物衍生物。
- 从苯甲醛和丙烯酸乙酯合成2,4,6-三苯基-1,3,5-三噻烷
- 通过9-苯并蒽酮肟硫化作用合成9-苯并蒽酮硫酮。
- 从2,2,4,4-四甲基-3-硫代环丁酮 S-氧化物合成1,2,4-三硫杂环戊烷。
- 三萜氧基化合物的硫衍生物。
- 在室温下将原位捕获Tropothione并与亲二烯体一起捕获。
General description
Lawesson′s试剂通常在有机合成中用作硫杂化剂，用于将氧官能团转化为其硫代类似物。其可促进羰基到硫代羰基以及碳-氧单键到碳-硫单键的转化。
signalword
Danger
hcodes
pcodes
Hazard Classifications
Water-react 2
supp_hazards
存储类别
4.3 - Hazardous materials which set free flammable gases upon contact with water
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Reaction of lupane and oleanane triterpenoids with Lawesson's reagent
Kvasnica M, et al.
Tetrahedron, 64(17), 3736-3743 (2008)
Juan Fortea et al.
Lancet (London, England), 395(10242), 1988-1997 (2020-07-01)
Alzheimer's disease and its complications are the leading cause of death in adults with Down syndrome. Studies have assessed Alzheimer's disease in individuals with Down syndrome, but the natural history of biomarker changes in Down syndrome has not been established.
T Nakai et al.
Solid state nuclear magnetic resonance, 4(3), 163-171 (1995-03-01)
The nuclear magnetic resonance (NMR) powder patterns observed for the 31P spin pair in Lawesson's reagent (1) were analyzed. Using an efficient procedure, wide ranges of the spin parameters were examined to determine whether they might reproduce the experimental one-dimensional
Use of Lawesson's reagent in organic syntheses.
Turan Ozturk et al.
Chemical reviews, 107(11), 5210-5278 (2007-09-18)
Daniel Brayton et al.
Chemical communications (Cambridge, England), (2)(2), 206-208 (2005-12-24)
A one-pot reaction of maltol with Lawesson's reagent generates dithiomaltol, a thiopyran-4-thione, via an unusual heterocyclic atom exchange (HCAE) reaction; only pyrones with proton or aliphatic substituents undergo the HCAE substitution.
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