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Sigma-Aldrich

Diisopropyl azodicarboxylate

98%

Synonym(s):

DIAD, Diisopropyl azodiformate

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About This Item

Linear Formula:
(CH3)2CHOOCN=NCOOCH(CH3)2
CAS Number:
2446-83-5
Molecular Weight:
202.21
Beilstein/REAXYS Number:
1912326
MDL number:
MFCD00008875
UNSPSC Code:
12352302
PubChem Substance ID:
24853505
NACRES:
NA.22

Quality Level

200

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.)

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

signalword

Warning

Hazard Classifications

Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 2

flash_point_f

222.8 °F

flash_point_c

106 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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International journal of molecular sciences, 21(10) (2020-05-28)
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Nanomaterials (Basel, Switzerland), 9(5) (2019-05-30)
The robust, anisotropic tobacco mosaic virus (TMV) provides a monodisperse particle size and defined surface chemistry. Owing to these properties, it became an excellent bio-template for the synthesis of diverse nanostructured organic/inorganic functional materials. For selective mineralization of the bio-template
J Miles Blackburn et al.
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)
The amyloid/tau/neurodegeneration (A/T/N) framework uses cerebrospinal fluid (CSF) levels of total tau (tTau) as a marker of neurodegeneration and CSF levels of phosphorylated tau 181 (pTau181) as a marker of tau tangles. However, it is unclear whether CSF levels of
Aza-Baylis-Hillman reactions of diisopropyl azodicarboxylate or diethyl azodicarboxylate with acrylates and acrylonitrile
Shi M and Zhao G-L
Tetrahedron, 60(9), 2083-2089 (2004)
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