139009
1,8-Diazabicyclo[5.4.0]undec-7-ene
98%
Synonym(s):
2,3,4,6,7,8,9,10-Octahydropyrimidol[1,2-a]azepine, DBU
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About This Item
vapor pressure
5.3 mmHg ( 37.7 °C)
Quality Level
assay
98%
form
liquid
greener alternative product characteristics
Catalysis
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refractive index
n20/D 1.522-1.524 (lit.)
bp
80-83 °C/0.6 mmHg (lit.)
mp
-70 °C
density
1.018 g/mL at 25 °C (lit.)
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General description
Application
- as catalyst for carboxylic acid esterification with dimethyl carbonate
- in the synthesis of duocarmycin and CC-1065 analogs
- as catalyst in aza-Michael addition and Knovenegal condensation reaction
- as base for dehalogenation of halogenated Diels-Alder adducts and the resulting activated 2,4-dienones were subjected to regio- and stereo-directed Michael additions, using Yamamoto′s reagent (CH3Cu · BF3)
- in a new synthesis of the ABCD ring system of Camptothecin
Features and Benefits
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk_germany
WGK 2
flash_point_f
240.8 °F
flash_point_c
116 °C
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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