225541
Diisopropyl azodicarboxylate
98%
Synonym(s):
DIAD, Diisopropyl azodiformate
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About This Item
Linear Formula:
(CH3)2CHOOCN=NCOOCH(CH3)2
CAS Number:
Molecular Weight:
202.21
Beilstein:
1912326
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22
Quality Level
Assay
98%
form
liquid
impurities
≤2% dichloromethane
refractive index
n20/D 1.420 (lit.)
bp
75 °C/0.25 mmHg (lit.)
density
1.027 g/mL at 25 °C (lit.)
functional group
azo
storage temp.
2-8°C
SMILES string
CC(C)OC(=O)\N=N\C(=O)OC(C)C
InChI
1S/C8H14N2O4/c1-5(2)13-7(11)9-10-8(12)14-6(3)4/h5-6H,1-4H3/b10-9+
InChI key
VVWRJUBEIPHGQF-MDZDMXLPSA-N
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General description
Reacted with dioxaphosphorinanes and iron catalyst to generate rearranged phosphonium ylide products.
Application
Diisopropyl azodicarboxylate (DIAD) is a commonly used reagent in organic synthesis for the preparation of useful chemical intermediates. It is often used in the Mitsunobu and aza-Baylis-Hillman reaction. DIAD is also used as a selective deprotecting agent of N-benzyl groups.
Reactant for preparation of:
- Chromenes resembling classical cannabinoids
- MK-3281 inhibitor of the hepatitis C virus NS5B polymerase
- Norbornene-based guanidine-rich polymers as mimcs of cell-penetrating peptides (CPP)
- Analogues of the Pseudomonas aeruginosa quorum-sensing molecule N-(3-Oxododecanoyl)-l-homoserine lactone with immunosuppressive but non-LasR-inducing properties
- Acceptor-donor-acceptor organic dyes for dye-sensitized solar cells
- 1,3-dioxane-2-carboxylic acid derivatives as PPARα/γ dual agonists
- Hydrazinophosphonates and hydrazinobisphosphonates via Mitsunobu and Arbuzov-type multicomponent application of the Morrison-Brunn-Huisgen betaine
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
10 - Combustible liquids
WGK
WGK 2
Flash Point(F)
222.8 °F
Flash Point(C)
106 °C
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Marcelle L Ferguson et al.
Journal of the American Chemical Society, 128(14), 4576-4577 (2006-04-06)
Allylic phosphonium ylides are readily generated by the combination of an allylic alcohol, a carbene, and a chlorophosphite. Here we demonstrate that these intermediates undergo a thermal [3,3]-rearrangement to provide single isomers of homoallylic phosphonates in good to excellent yields.
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Organic letters, 19(21), 6012-6015 (2017-10-20)
A general approach to access sulfamate esters through preparation of sulfamic acid salts, subsequent activation with triphenylphosphine ditriflate, and nucleophilic trapping is disclosed. The method proceeds in modest to excellent yields to incorporate nucleophiles derived from aliphatic alcohols and phenols.
Jorge J Llibre-Guerra et al.
JAMA network open, 2(12), e1917126-e1917126 (2019-12-12)
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