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About This Item
经验公式（希尔记法）:
C8H7Br
CAS号:
分子量:
183.05
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
质量水平
检测方案
95%
折射率
n20/D 1.59 (lit.)
bp
90 °C/10.5 mmHg (lit.)
密度
1.45 g/mL at 25 °C (lit.)
SMILES字符串
BrC1Cc2ccccc12
InChI
1S/C8H7Br/c9-8-5-6-3-1-2-4-7(6)8/h1-4,8H,5H2
InChI key
AYNXHFRDABNHRX-UHFFFAOYSA-N
一般描述
1-Bromobenzocyclobutene is a useful synthon. It has important applications in organometallic methodology. Reaction between cycloheptatriene, bromoform, potassium carbonate and 18-crown-6 at 140°C yields 1-bromobenzocyclobutene.
应用
1-Bromobenzocyclobutene may be used in the synthesis of following compounds:
- five-membered zirconacycles
- benzocyclobutenol and benzocyclobutenone
- 2,3-dimethoxyprotoberberinium bromide, via reaction with 3,4-dihydro-6,7-dimethoxyisoquinoline
WGK
WGK 3
闪点(°F)
204.8 °F
闪点(°C)
96.00 °C
个人防护装备
Eyeshields, Gloves
法规信息
新产品
Studies on the syntheses of heterocyclic compounds-DXLV: An alternative synthesis of the protoberberine ring system.
Kametani T, et al.
Tetrahedron, 30(9), 1043-1046 (1974)
1-Bromobenzocyclobutene: a convenient entry into the benzocyclobutene ring system.
DeCamp MR and Viscogliosi LA.
The Journal of Organic Chemistry, 46(19), 3918-3920 (1981)
Condensed Cyclobutane Aromatic Compounds. IX. Benzocyclobutenol and Benzocyclobutenone.
Cava MP and Muth K.
Journal of the American Chemical Society, 82(3), 652-654 (1960)
T V V Ramakrishna et al.
Organic letters, 5(6), 877-879 (2003-03-14)
[reaction: see text] Commercially available 1-bromobenzocyclobutene is a potentially useful synthon particularly with the application of organometallic methodology. Here we show that it is readily converted into Cp(2)Zr(benzocyclobutadiene), which couples with alkynes or nitriles giving five-membered zirconacycles. Treatment of these
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