成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

ChemicalBook--->CAS DataBase List--->39082-53-6

39082-53-6

39082-53-6 Structure

39082-53-6 Structure
IdentificationBack Directory
[Name]

1,1-BIS(PHENYLSULFONYL)ETHYLENE
[CAS]

39082-53-6
[Synonyms]

1,1-BIS(PHENYLSULFONYL)ETHYLENE
Benzene, 1,1-ethenylidenebis(sulfonyl)bis-
1,1-Bis(phenylsulfonyl)ethylene >=98.0% (CH)
[Molecular Formula]

C14H12O4S2
[MDL Number]

MFCD00043149
[MOL File]

39082-53-6.mol
[Molecular Weight]

308.37
Chemical PropertiesBack Directory
[Melting point ]

124-126 °C
[Boiling point ]

567.9±46.0 °C(Predicted)
[density ]

1.347±0.06 g/cm3(Predicted)
[form ]

solid
[color ]

colorless
[BRN ]

2056786
Safety DataBack Directory
[Safety Statements ]

22-24/25
[WGK Germany ]

3
Hazard InformationBack Directory
[Uses]

1,1-Bis(phenylsulfonyl)ethylene was used in the preparation of α,α-disubstituted alpha-amino acid derivatives.
[Application]

1,1-Bis(phenylsulfonyl)ethylene (1,1-BPSE) is a powerful Michael acceptor and dienophile; reagent for two-carbon homologation of ketones; synthetic equivalent of ethylene in Diels-Alder reactions and of ethylene 1,2-dipole in cycloadditions[1].
[Preparation]

1,1-Bis(phenylsulfonyl)ethylene can be prepared via careful oxidation of the corresponding ketene dithioacetal or via Mannich condensation of bis(phenylsulfonyl)methane with paraformaldehyde and a secondary amine followed by elimination with acids[2].
[storage]

1,1-Bis(phenylsulfonyl)ethylene keep dry and refrigerated; potential alkylating agent; use in a fume hood.
[References]

1. (a) Neplyuev, V. M.; Bazarova, I. M.; Lozinskii, M. O. RCR 1986, 55, 883. (b) De Lucchi, O.; Pasquato, L. T 1988, 44, 6755. (c) Simpkins, N. S. In Sulphones in Organic Synthesis; Pergamon: Oxford, 1993.
2. (a) Carpino, L. A. JOC 1973, 38, 2600. (b) Stetter, H.; Steinbeck, K. LA 1974, 1315.
39082-53-6 suppliers list
Company Name: Aladdin Scientific
Tel:
Website: www.aladdinsci.com/
Company Name: Sigma-Aldrich  
Tel: 021-61415566 800-8193336
Website: https://www.sigmaaldrich.cn
Company Name: Shanghai EFE Biological Technology Co., Ltd.  
Tel: 021-65675885 18964387627
Website: http://www.efebio.com
Company Name: Tianjin heowns Biochemical Technology Co., Ltd.  
Tel: 400-6387771-6039 18920564737
Website: www.heowns.com
Company Name: Shandong Mingde Biotechnology Co., Ltd  
Tel: 18560864701
Website: www.jiuyueshengwu.com/
Company Name: Shanghai Yingxin laboratory equipment Co., Ltd  
Tel: 021-021-59178156 15300768757
Website: http://www.yingxinbio.com/
Company Name: Shanghai Haohong Scientific Co., Ltd.  
Tel: 400-400-8210725 17717813675;
Website: https://www.leyan.com/
Company Name: Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.  
Tel: 025-66113011 18112977050
Website: http://www.aikonchem.com
Company Name: Shanghai Aladdin Biochemical Technology Co.,Ltd.  
Tel: 400-6206333 1316706386
Website: www.aladdin-e.com/
Company Name: Adipogen Life Sciences  
Tel: 41-6192660-40
Website: www.adipogen.com
Company Name: Merck KGaA  
Tel: (+86) 21 2033 8288
Website: www.sigmaaldrich.cn
Company Name: Neobioscience Co., Ltd.  
Tel: 4006-800-892
Website: www.nbs-bio.com
Company Name: Absin Bioscience Inc.  
Tel: 021-38015121-8802
Website: http://www.absin.cn
Company Name: Xiamen Research Biotechnology Co., Ltd.  
Tel: 0592-6020891 18906011628
Website: m.is0513.com/ShowSupplierProductsList1485266/0.htm
Company Name: Boppard-China  
Tel: 021-62884751
Website: www.boppard.cn
Company Name: Shenzhen Xinbosheng Biological Technology Co., Ltd.  
Tel: 0755-26755892
Website: www.nbs-bio.com
Company Name: Riedel-de Haen AG  
Tel: 800 558-9160
Website: www.sigmaaldrich.com
Company Name: CARBONE SCIENTIFIC CO.,LTD  
Tel: +44(0)870 486 8629
Website: www.carbonesci.com
Tags:39082-53-6 Related Product Information
3680-02-2 3561-67-9 33577-16-1 3406-02-8 5535-48-8