1,8-Diazabicyclo[5.4.0]undec-7-ene | CAS 6674-22-2

Element: diazabicyclo undec

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C-S » Chemicals » diazabicyclo-undec-ene-PX47755

Identification

1,8-Diazabicyclo[5.4.0]undec-7-ene

CAS:

6674-22-2

EINECS:

229-713-7

Molecular Formula:

C₉H₁₆N₂

MDL:

MFCD00006930

SMILES:

C1CCC2=NCCCN2CC1

Synonym:

dbu ; polycat(r) 48 ; 1,5-diaza(5,4,0)undec-5-ene ; diazabicycloundecene ; pyrimido[1,2-a]azep ; polycat(r) 18 ; polycat dbu ; u-cat sa 851 ; is a ; lupragen(r) n 700

Description

1,8-Diazabicyclo[5.4.0]undec-7-ene is used in a new synthesis of the ABCD ring system of Camptothecin.(3) Halogenated Diels-Alder adducts were dehydrohalogenated with this base, and the resulting activated 2,4-dienones were subjected to regio- and stereo-directed Michael additions, us

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BASF Belgium S.A. / N.V.

BBS244812240

Feiming Chemical Limited.

FCL255010200

Tianjin Zhongxin Chemtech Co., Ltd.

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Kingreat Chemistry Company Limited

KCCL346817340

Hangzhou Verychem Science & Technology Co., Ltd.

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QRC336613464

Daming Changda Co., Ltd.

LLB00161

Aecochem Corp.

AC14284284

Synthon-Chemicals GmbH & Co. KG

ST01541

Merck Schuchardt OHG

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Hangzhou Keying Chem Co., Ltd.

HKC306012240

Hangzhou Lingrui Chemical Co., Ltd.

HLC357014280

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Prices & Availability

Data is processed

Properties for 1,8-Diazabicyclo[5.4.0]undec-7-ene

Molecular Weight:

152.24 g·mol−1

Density:

1.019 g/mL at 20 °C(lit.)

Melting point:

-70 °C

Boiling point:

80-83 °C0.6 mm Hg(lit.)

Flash point:

>230 ºF

Solubility:

soluble

Physical Description:

colorless to yellow liquid

Safety & Transport Information

Risk Codes:

R11 - Highly flammable
R19 - May form explosive peroxides
R22 - Harmful if swallowed
R34 - Causes burns
R35 - Causes severe burns
R37 - Irritating to respiratory system
R40 - Limited evidence of a carcinogenic effect
R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R67 - Vapours may cause drowsiness and dizziness

Safety Codes:

S16 - Keep away from sources of ignition - No smoking
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S27 - Take off immediately all contaminated clothing
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
S61 - Avoid release to the environment. Refer to special instructions/safety data sheet

Hazard Classes:

Hazard Symbols:

C, F

Storage temperature :

Store at R.T.

RID/ADR certification :

UN 3267 8 / PG 2

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