DBU 1,8-Diazabicyclo[5.4.0]undec-7-ene 99% CAS NO.6674-22-2

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Product Information :

Product Name:    1,8-Diazabicyclo[5.4.0]undec-7-ene
Synonyms:    1,5-DIAZABICYCLO(5,4,0)UNDEC-5-ENE;1,8-DIAZABICYCLO[5,4,0]-7-UNDECENE;1,8-DIAZABICYCLO[5.4.0]UNDEC-7-ENE;1,8-DIAZABICYCLO[5.4.0]UNDEC-7-ENE (1,5-5);1,8-DIAZABICYCLO(5,4,0)UNDECENE-7;1,8-DIAZEBICYCLO[5.4.0]UNDEC-7-ENE;1,8-Diazabicyclo[5.4.0]undecane-7-ene;1,8-Diazabicyclo(5 x 4 x 0)undec-7-ene
CAS:    6674-22-2
MF:    C9H16N2
MW:    152.24
EINECS:    229-713-7

Product Usage :

Uses    1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) may be used:
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
1,8-Diazabicyclo[5.4.0]undec-7-ene may be used as an catalyst for the dissolution and activation of cellulose by a reversible reaction of its hydroxyl groups with carbon dioxide. This dissolved cellulose system can be derivatized to form cellulose mixed esters.
Used in a new synthesis of the ABCD ring system of Camptothecin.

As a reagent in organic chemistry, DBU is used as a catalyst, a complexing ligand, and a non-nucleophilic base. It is also used as a curing agent for epoxy. It is used in fullerene purification with trimethylbenzene (it reacts with C70 and higher fullerenes, but not to C60 fullerenes); and it is also used as a catalyst in polyurethane production. It has a strong catalyst effect for the reactions of alicyclic and aliphatic isocyanates. It also exhibited its dual character (base and nucleophile) in the synthesis of aryl- and styryl-terminal acetylenes.

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