35635
cis-3,4-Dichlorocyclobutene
≥95.0% (GC)
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About This Item
Empirical Formula (Hill Notation):
C4H4Cl2
CAS Number:
Molecular Weight:
122.98
EC Number:
220-981-0
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
1236770
MDL number:
Assay:
≥95.0% (GC)
Product Name
cis-3,4-Dichlorocyclobutene, ≥95.0% (GC)
InChI key
MNOAQNJDZROAPA-ZXZARUISSA-N
InChI
1S/C4H4Cl2/c5-3-1-2-4(3)6/h1-4H/t3-,4+
SMILES string
Cl[C@@H]1C=C[C@@H]1Cl
assay
≥95.0% (GC)
refractive index
n20/D 1.503
bp
74-76 °C/55 mmHg (lit.)
density
1.302 g/mL at 20 °C (lit.)
storage temp.
2-8°C
Application
cis-3,4-Dichlorocyclobutene may be used in the synthesis of cyclic polyether.
General description
cis-3,4-Dichlorocyclobutene is a versatile synthon in organic synthesis of natural products. Infrared multiphoton excitation of cis-3,4-dichlorocyclobutene was investigated by optoacoustic detection. cis-3,4-Dichlorocyclobutene undergoes 1,3-dipolar cycloaddition reaction with several nitrile oxides to yield the mixtures of syn- and anti- 4-substituted 6,7-dichloro-2-oxa-3-azabicyclo[3.2.0]hept-3-enes.
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syn-anti-Isomerism in the cycloaddition of nitrile oxides to cis-3, 4-dichlorocyclobutene.
Bianchi G, et al.
Journal of the Chemical Society. Perkin Transactions 1, 137-140 (1974)
Optoacoustic measurements of IR multiphoton excitation of cis-3, 4-dichlorocyclobutene.
Presser N, et al.
J. Chem. Phys. , 78(5), 2163-2169 (1983)
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