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203059-85-2

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203059-85-2 Usage

Description

1,2-Diiodo-4-fluorobenzene is a halogenated aromatic compound with the molecular formula C6H3I2F. It is a derivative of benzene, featuring two iodine atoms and one fluorine atom attached to the benzene ring. Known for its reactivity, 1,2-Diiodo-4-fluorobenzene serves as a versatile building block in organic chemistry, particularly in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. It also functions as a reagent in cross-coupling reactions and other carbon-carbon bond forming processes, making it an important chemical intermediate in the field of organic chemistry.

Uses

Used in Pharmaceutical Industry:
1,2-Diiodo-4-fluorobenzene is used as a key intermediate in the synthesis of various pharmaceutical compounds. Its unique structure and reactivity allow for the development of new drugs with improved therapeutic properties.
Used in Agrochemical Industry:
In the agrochemical industry, 1,2-Diiodo-4-fluorobenzene is utilized as a building block for the synthesis of novel agrochemicals, such as pesticides and herbicides. Its incorporation into these compounds can enhance their effectiveness and selectivity in controlling pests and weeds.
Used in Specialty Chemicals Industry:
1,2-Diiodo-4-fluorobenzene is employed as a starting material for the production of specialty chemicals, including dyes, pigments, and polymers. Its unique halogenated structure contributes to the desired properties of these specialty chemicals, such as color, stability, and reactivity.
Used in Organic Synthesis:
As a versatile building block, 1,2-Diiodo-4-fluorobenzene is widely used in various organic synthesis processes. Its reactivity allows for the formation of carbon-carbon bonds and other functional groups, enabling the creation of complex organic molecules for a range of applications.
Used as a Reagent in Cross-Coupling Reactions:
1,2-Diiodo-4-fluorobenzene serves as a valuable reagent in cross-coupling reactions, which are essential for the formation of carbon-carbon bonds in organic chemistry. Its presence in these reactions facilitates the synthesis of diverse organic compounds with specific structural features and properties.

Check Digit Verification of cas no

The CAS Registry Mumber 203059-85-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,0,5 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 203059-85:
(8*2)+(7*0)+(6*3)+(5*0)+(4*5)+(3*9)+(2*8)+(1*5)=102
102 % 10 = 2
So 203059-85-2 is a valid CAS Registry Number.
InChI:InChI=1/C6H3FI2/c7-4-1-2-5(8)6(9)3-4/h1-3H

203059-85-2Relevant articles and documents

Orbital Crossings Activated through Electron Injection: Opening Communication between Orthogonal Orbitals in Anionic C1-C5 Cyclizations of Enediynes

Peterson, Paul W.,Shevchenko, Nikolay,Breiner, Boris,Manoharan, Mariappan,Lufti, Forat,Delaune, Jess,Kingsley, Margaret,Kovnir, Kirill,Alabugin, Igor V.

supporting information, p. 15617 - 15628 (2016/12/16)

Generally, the long-range electronic communication between spatially orthogonal orbitals is inefficient and limited to field and inductive effects. In this work, we provide experimental evidence that such communication can be achieved via intramolecular electron transfer between two degenerate and mutually orthogonal frontier molecular orbitals (MOs) at the transition state. Interaction between orthogonal orbitals is amplified when the energy gap between these orbitals approaches zero, or at an “orbital crossing”. The crossing between two empty or two fully occupied MOs, which do not lead to stabilization, can be “activated” when one of the empty MOs is populated (i.e., electron injection) or one of the filled MOs is depopulated (i.e., hole injection). In reductive cycloaromatization reactions, such crossings define transition states with energies defined by both the in-plane and out-of-plane π-systems. Herein, we provide experimental evidence for the utility of this concept using orbital crossings in reductive C1-C5 cycloaromatization reactions of enediynes. Communication with remote substituents via orbital crossings greatly enhances regioselectivity of the ring closure step in comparison to the analogous radical cyclizations. We also present photophysical data pertaining to the efficiency of electron injection into the benzannelated enediynes.

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