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Detail of "1679-18-1"

  • CAS Number:
  • 1679-18-1
  • Name:

  • 4-Chlorophenylboronic acid

  • Molecular Structure:
  • Formula:
  • C6H6BClO2
  • Molecular Weight:
  • 156.37
  • Synonyms:
  • p-Chlorophenylboronic acid;(4-chlorophenyl)boronic acid;Boronic acid, (4-chlorophenyl)-;p-Chlorobenzeneboronic acid;
  • EINECS:
  • 216-845-5
  • Density:
  • 1.32 g/cm3
  • Melting Point:
  • 284-289 °C(lit.)
  • Boiling Point:
  • 295.4 °C at 760 mmHg
  • Flash Point:
  • 132.4 °C
  • Appearance:
  • off-white to beige crystalline powder
  • Hazard Symbols:
  • HarmfulXn,IrritantXi
  • Risk Codes:
  • 20/21/22-36/37/38
  • Safety:
  • 36-37/39-26 Details
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CAS No.1679-18-1 4-Chlorophenylboronic acidCompetitive Product

Assay:>98%(HPLC)  Appearance:off-white po...  Package:25kg drumsStorage:room tempera...

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CAS No.1679-18-1 4-Chlorophenylboronic acid

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CAS No.1679-18-1 4-Chlorophenylboronic acid

1679-18-1 4-Chlorophenylboronic acid Molecular Formula C6H6BClO2 Molecular Weight 156.37 CAS Registry Number 1679-18-1 EINECS 216-845-5

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CAS No.1679-18-1 4-Chlorophenylboronic acid

Chemical Name: 4-Chlorophenylboronic acid CAS No.1679-18-1 Content:HPLC≥98% Appearance: light yellow powder Application: liquid crystal intermediate/pharmaceutical intermediate Packing:20kg/drum or on request Productivity:5 Ton/M

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CAS No.1679-18-1 4-Chlorophenylboronic acid

Product Name: 4-Chlorophenylboronic acid CAS: 1679-18-1 MF: C6H6BClO2 MW: 156.37 EINECS: 216-845-5

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Reference

A facile two-step synthesis of 8-arylated guanosine mono- and triphosphates (8-aryl GXPs)
All Rights Reserved. A facile two-step synthesis of 8-arylated guanosine mono- and triphosphates (8-aryl GXPs). Collier, Alice; Wagner, Gerd (Centre for Carbohydrate Chemistry, School of Chemical Sciences and Pharmacy, University of East Anglia, Norwich NR4 7TJ, UK).Chemical with cas number 1679-18-1 also plays role. Organic & Biomolecular Chemistry, 4(24), 4526-4532 (English) 2006 Royal Society of Chemistry. CODEN: OBCRAK. ISSN: 1477-0520. DOCUMENT TYPE: Journal CA Section: 33 (Carbohydrates) We report a simple and high-yielding two-step procedure for the prepn. of 8-arylated guanosine mono- and triphosphates, e.g. I, (8-aryl GXPs). The key step of our synthesis is the Suzuki-Miyaura coupling of unprotected 8-bromo GMP and 8-bromo GTP with various arylboronic acids in aq. soln. The 8-bromoguanosine 5'-phosphates required as cross-coupling substrates were prepd. from 8-bromoguanosine via an optimized Yoshikawa procedure. .
Preparation of an intrinsically labeled solid support for compound libraries, characterization of the compounds, and a kit of solid supports
Preparation of an intrinsically labeled solid support for compound libraries, characterization of the compounds, and a kit of solid supports. Main, Brian Geoffrey; Shute, Richard Eden (Zeneca Limited; Main, Brian Geoffrey; Shute, Richard Eden, UK). PCT Int. Appl. WO 9703931 A1 6 Feb 1997, 19 pp. DESIGNATED STATES: W: JP, US; RW: AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE. (English). (World Intellectual Property Organization). CODEN: PIXXD2. CLASS: ICM: C07B061-00. ICS: G01N033-58. APPLICATION: WO 1996-GB1696 17 Jul 1996. PRIORITY: GB 1995-15070 22 Jul 1995. DOCUMENT TYPE: Patent CA Section: 35 (Chemistry of Synthetic High Polymers) Section cross-reference(s): 9, 25 A compd. library comprises a plurality of different units each comprising a solid support, esp. a styrene polymer, with which is assocd. a single member of the compd.Several reagents with their cas registry numbers 187988-59-6 and 1679-18-1 are used here. library, each solid support has a defined chem. compn. which acts as an intrinsic label capable of identifying the first reaction choice in the synthesis of the assocd. member of the compd. library. Methods for synthesis of the library by exposing the supports to reactants in a series and characterizing the members of the library, as well as a kit of solid supports which act as intrinsic labels for compd. library synthesis are also claimed. The intrinsic and optional secondary labels are conveniently excised from the polymer support by depolymn. prior to identification. Thus, a mixt. of 4-chloromethylstyrene 61.0, divinylbenzene 1.2, 3-fluorostyrene 5.0, styrene 32.5, and Luperox 1.5 g was added to aq. polyacrylic acid (Mn ~70,000) contg. 0.4 g sodium sulfate at 50°, and the mixt. polymd. 4.5 h at 75° and 0.5 h at 80° to give intrinsically labeled beads, which showed mass spectrum signals for fluorostyrene and chloromethylstyrene. .
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