Caronic anhydride

What is 6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione, cas no. 67911-21-1,a producer telling you the result.

What is 6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione, cas no. 67911-21-1,a producer telling you the result.

CAS NO. 67911-21-1

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To begin with, let us tell you what is the basic information of Caronic anhydride CAS NO. 67911-21-1 ?

Molecular Weight	140.137	Flash Point	112.7±15.9 °C
Density	1.3±0.1 g/cm3	Boiling Point	246.3±9.0 °C at 760 mmHg
Molecular Formula	C7H8O3	Melting Point	52-55ºC

Like many stuff, it has many synonyms as follows

6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione

Caronic anhydride

3-oxabicyclo[3.1.0]hexane-2,4-dione, 6,6-dimethyl-

First, the chemical is very special, some technical indexes as below

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Second, the Synthetic Route we will recommend is the most important for your reference?

First, synthesis line of Caronic anhydride CAS NO. 67911-21-1 as follows

There are two routes for the synthesis of carbolic anhydride, and the first generation route requires 12 linear synthesis steps, which is costly.

The second generation route consists of three stages of synthesis, which involve benzylamine amination, reduction, and removal of benzyl groups to obtain carmonic anhydride.

Enzymatic catalysis is an application method in the synthesis of carmonic anhydride, which involves treating amines with oxidase and then treating them with sodium bisulfite to obtain the target compound

Synthesis lines in details as below

Third, what is the usage of Caronic anhydride CAS NO. 67911-21-1 ? pleas see below

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Caronic anhydride is an important compound with extensive application value.

Boprevir is a type of hepatitis C treatment drug, also known as Victrelis. Its molecular structure contains fragment P2.

Pfizer's COVID-19 oral drug Paxlovid also contains fragment P2, so the demand for carborunic anhydride also increases.

Mainly used for Intermediate of dabigatran ester

Other usages as below

Used for the synthesis of 3,3-Dimethylcyclopropane-1,2-dicarboximide

Cas no. 194421-56-2

Used for the synthesis of 6,6-dimethyl-3-azabicyclo[3.1.0]hexane,hydrochloride

Cas no. 943516-55-0

Used for the synthesis of
6,6-Dimethyl-3-azabicyclo[3.1.0]hexane

,Cas no. 943516-54-9

Besides Safety Information of Caronic anhydride CAS NO. 67911-21-1 is also important when handling it

Hazard Codes	Xi
WGK Germany	3
H．S．Code：	2917209090
TSCA	Yes
HazardClass	IRRITANT

What is the appearance of Caronic anhydride CAS NO. 67911-21-1? Please see the picture of Caronic anhydride CAS NO. 67911-21-1, below