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1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene is an organic compound with the chemical formula C12H16O4S. It is a derivative of benzene, featuring a methyl group at the 1-position and a 3-methylbut-3-enoxysulfonyl group at the 4-position. 1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene is known for its unique chemical properties and potential applications in various industries.

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  • 781-03-3 Structure
  • Basic information

    1. Product Name: 1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene
    2. Synonyms: 1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene
    3. CAS NO:781-03-3
    4. Molecular Formula: C12H16O3S
    5. Molecular Weight: 0
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 781-03-3.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 350.2°C at 760 mmHg
    3. Flash Point: 165.6°C
    4. Appearance: /
    5. Density: 1.118g/cm3
    6. Vapor Pressure: 9.03E-05mmHg at 25°C
    7. Refractive Index: 1.513
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene(CAS DataBase Reference)
    11. NIST Chemistry Reference: 1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene(781-03-3)
    12. EPA Substance Registry System: 1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene(781-03-3)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 781-03-3(Hazardous Substances Data)

781-03-3 Usage

Uses

Used in Pharmaceutical Industry:
1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene is used as an intermediate in the synthesis of Isopentenyl Pyrophosphate Triammonium Salt (I821850), which is employed for the preparation of antitumor agents phosphohalohydrins. Its role in the synthesis process is crucial for developing effective cancer treatments.
Used in Chemical Synthesis:
1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene can be utilized as a building block in the synthesis of various organic compounds, including pharmaceuticals, agrochemicals, and other specialty chemicals. Its unique structure allows for further functionalization and modification, making it a valuable component in the development of new molecules with potential applications.

Check Digit Verification of cas no

The CAS Registry Mumber 781-03-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,8 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 781-03:
(5*7)+(4*8)+(3*1)+(2*0)+(1*3)=73
73 % 10 = 3
So 781-03-3 is a valid CAS Registry Number.
InChI:InChI=1/C12H16O3S/c1-10(2)8-9-15-16(13,14)12-6-4-11(3)5-7-12/h4-7H,1,8-9H2,2-3H3

781-03-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-methylbut-3-enyl 4-methylbenzenesulfonate

1.2 Other means of identification

Product number -
Other names p-toluenesulfonic acid ester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:781-03-3 SDS

781-03-3Relevant articles and documents

Properties of plasmodium falciparum with a deleted apicoplast DNA gyrase

Kokkonda, Sreekanth,Mudeppa, Devaraja G.,Patrapuvich, Rapatbhorn,Rathod, Pradipsinh K.,Tan, Soo Nee,White, John

supporting information, (2021/08/23)

Malaria parasites have three genomes: a nuclear genome, a mitochondrial genome, and an apicoplast genome. Since the apicoplast is a plastid organelle of prokaryotic origin and has no counterpart in the human host, it can be a source of novel targets for a

Palladium-Catalyzed Carbamoyl-Carbamoylation/ Carboxylation/Thioesterification of Alkene-Tethered Carbamoyl Chlorides Using Mo(CO)6 as the Carbonyl Source

Chen, Chen,Ding, Jie,Huang, Yujie,Liu, Liying,Zhu, Bolin

supporting information, (2022/01/04)

We reported a palladium-catalyzed carbamoyl-carbamoylation/carboxylation/thioesterification of alkene-tethered carbamoyl chlorides using Mo(CO)6 as the carbonyl source. The reactions were typically performed with good functional group compatibility and tolerated different nucleophiles (amines, alcohols, phenols, thiols and water), which provided a new access to amidated/esterificated/thioesterificated/carboxylated oxindoles or lactams bearing an all-carbon quaternary stereocenter under CO gas-free conditions. Furthermore, natural product mutation and divergent late-stage derivatization are the important practical features.

Ruthenium Metathesis: A Key Step to Access a New Cyclic Tetrasubstituted Olefin Platform

Heinrich, Clément F.,Durand, Didier,Starck, Jér?me,Michelet, Véronique

supporting information, p. 7064 - 7067 (2020/08/24)

An rapid and mild synthetic route for the preparation of cyclic tetrasubstituted platforms via ruthenium-catalyzed ring-closing metathesis (RCM) has been developed. This process tolerates a wide range of functionalities such as nitrogen, oxygen, sulfur, silicon, and carbon tethered groups, as well as very challenging fluorine and boron atoms (36 derivatives, up to 96%). This diversity-oriented method was further demonstrated by the postfunctionalization reactions, such as Pd-couplings, N-substitution, and reductive amination introducing a morpholine moiety.

Pd-catalyzed regiodivergent synthesis of diverse oxindoles enabled by the versatile heck reaction of carbamoyl chlorides

Wu, Xianqing,Tang, Zaiquan,Zhang, Chengxi,Wang, Chenchen,Wu, Licheng,Qu, Jingping,Chen, Yifeng

supporting information, p. 3915 - 3921 (2020/06/08)

We report herein a miscellaneous oxindole synthesis bearing an all-carbon quaternary center, enabled by Pd-catalyzed intramolecular cyclization followed by multiple intermolecular Heck reactions of both easily accessible alkene-tethered carbamoyl chlorides and olefins. This protocol obviates the use of prefunctionalized olefinic reagents, exhibits excellent functional group tolerance, and features fascinating reactive versatility.

Enantioselective Construction of Tertiary Fluoride Stereocenters by Organocatalytic Fluorocyclization

Biosca, Maria,Eriksson, Lars,Hedberg, Martin,Himo, Fahmi,Lübcke, Marvin,Szabó, Kálmán J.,Wang, Qiang

supporting information, p. 20048 - 20057 (2020/11/27)

1,1-Disubstituted styrenes with internal oxygen and nitrogen nucleophiles undergo oxidative fluorocyclization reactions with in situ generated chiral iodine(III)-catalysts. The resulting fluorinated tetrahydrofurans and pyrrolidines contain a tertiary carbon-fluorine stereocenter. Application of a new 1-naphthyllactic acid-based iodine(III)-catalyst allows the control of tertiary carbon-fluorine stereocenters with up to 96% ee. Density functional theory calculations are performed to investigate the details of the mechanism and the factors governing the stereoselectivity of the reaction.

Aminoxyl-Catalyzed Electrochemical Diazidation of Alkenes Mediated by a Metastable Charge-Transfer Complex

Siu, Juno C.,Parry, Joseph B.,Lin, Song

supporting information, p. 2825 - 2831 (2019/02/14)

We report the development of a new aminoxyl radical catalyst, CHAMPO, for the electrochemical diazidation of alkenes. Mediated by an anodically generated charge-transfer complex in the form of CHAMPO-N3, radical diazidation was achieved across a broad scope of alkenes without the need for a transition metal catalyst or a chemical oxidant. Mechanistic data support a dual catalytic role for the aminoxyl serving as both a single-electron oxidant and a radical group transfer agent.

Ligand-Promoted Iron(III)-Catalyzed Hydrofluorination of Alkenes

Xie, Yongtao,Sun, Peng-Wei,Li, Yuxin,Wang, Siwei,Ye, Mengchun,Li, Zhengming

, p. 7097 - 7101 (2019/04/17)

An iron-catalyzed hydrofluorination of unactivated alkenes has been developed. The use of a multidentate ligand and the fluorination reagent N-fluorobenzenesulfonimide (NFSI) proved to be critical for this reaction, which afforded various fluorinated comp

Direct Hydrofluorination of Methallyl Alkenes Using a Methanesulfonic Acid/Triethylamine Trihydrofluoride Combination

Bertrand, Xavier,Paquin, Jean-Fran?ois

supporting information, p. 9759 - 9762 (2019/11/28)

The use of a methanesulfonic acid/triethylamine trihydrofluoride combination for the direct hydrofluorination of methallyl-containing substrates is reported. Under those metal-free conditions that use readily available, cheap, and easy to handle reagents,

BENZIMIDAZOLONE DERIVED INHIBITORS OF BCL6

-

Paragraph 00373; 00375, (2018/12/13)

The present invention relates to compounds of Formula I that function as inhibitors of BCL6 (B-cell lymphoma 6) activity: wherein X1, X2, R1, R2 and R3 are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, as well as other diseases or conditions in which BCL6 activity is implicated.

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