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Abstracts
     STN International is the online scientific and technical information network dedicated to meeting the information needs of scientists and information professionals throughout the world. The REGISTRY file of the STN database is a chemical dictionary and structure database that contains unique substance records identified by CAS. Records contain CAS Registry Numbers, chemical name, molecular formulas and structure diagrams, all of which are searchable. STN Express is an advanced front-end software package that works with your personal computer to provide streamlined searching of databases on STN. It will guide you through efficient online searches and enable you need more quickly and easily than ever before.
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?      FILE REGISTRY
?      E 5-CHLOROBENZOTRIAZOLE/CN
E1       1   5-CHLOROBENZOTHIOPHENE-2-CARBOXALDEHYDE/CN
E2       1   5-CHLOROBENZOTHIOPHENE-2-METHANOL/CN
E3       1 --> 5-CHLOROBENZOTRIAZOLE/CN
E4       1   5-CHLOROBENZOXAZOLE/CN
E5       1   5-CHLOROBENZOXAZOLE-2-CARBOXALDEHYDE/CN
E6       1   5-CHLOROBENZOXAZOLIDONE/CN
E7       1   5-CHLOROBENZOXAZOLONE/CN
E8       1   5-CHLOROBICYCLO(2.2.1)HEPT-2-ENE/CN
E9       1   5-CHLOROBICYCLO(2.2.1)HEPT-2-ENE POLYMER/CN
E10       1   5-CHLOROBICYCLO(3.2.0)HEPT-2-ENE/CN
E11       1   5-CHLOROBIS(1,5-CYCLOOCTADIENE)DIIRIDIUM/CN
E12       1   5-CHLOROCALICENE/CN

=> S E3
L1       1 5-CHLOROBENZOTRIAZOLE/CN

?      FILE CAPLUS

?      S L1/P
L2       11 L1/P

=> S L2 AND P/DT
    2394686 P/DT
L3       5 L2 AND P/DT

=> D L3 BIB ABS 1
  
L3   ANSWER 1 OF 5 CAPLUS COPYRIGHT 1998 ACS
AN   1989:457739 CAPLUS
DN   111:57739
TI   Preparation of benzotriazoles by catalytic dehydroxylation of
  1-hydroxybenzotriazoles
IN   Hayashi, Hiroyasu; Maekawa, Tsukasa
PA   Otsuka Chemical Co., Ltd., Japan
SO   Jpn. Kokai Tokkyo Koho, 6 pp.
  CODEN: JKXXAF
PI   JP 01019073 A2 19890123 Heisei
AI   JP 87-175406 19870714
DT   Patent
LA   Japanese
AB   Benzotriazoles I (R = H; R1 - R4 = H, halo, stable group in reaction
  solvents) (II) free of byproduct amines as colored matters, useful
  as anticorrosives and stabilizers for polymers (no data) are prepd.
  in high yields by treatment of 1-hydroxybenzotriazoles I (R = OH)
  (III) or their salts with Pb (compds.) in acidic medium optionally
  in the presence of metals, whose ionization tendency are larger than
  Pb. A mixt. of 1-hydroxybenzotriazole, Pb, Al, and H2O was stirred
  at 100.degree. under dropwise addn. of an aq. HCl soln. over 2 h,
  the reaction mixt. was further stirred for 5 h to give 99%
  benzotriazole, vs. 64% for a control without addn. of Pb.

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=> FILE REGISTRY
=> E C4BR2N2O4S/MF
E1       1   C4BR2N2/MF
E2       1   C4BR2N2O2/MF
E3       3 --> C4BR2N2O4S/MF
E4       2   C4BR2N2S/MF
E5       2   C4BR2N4NBO4/MF
E6       2   C4BR2N4NBS4/MF
E7       2   C4BR2N4PT/MF
E8       1   C4BR2N4PT.2CH5N3.XH2O.2H/MF
E9       2   C4BR2N4PT.2H/MF
E10       1   C4BR2N4PT.2H2O.2K/MF
E11       1   C4BR2N4PT.2H2O.2NA/MF
E12       2   C4BR2N4PT.2K/MF

=> S E3
L1       3 C4BR2N2O4S/MF

=> D SCAN
  
L1   3 ANSWERS   REGISTRY COPYRIGHT 1998 ACS
IN   Thiophene, 2,5-dibromo-3,4-dinitro- (6CI, 7CI, 9CI)
MF   ***C4 Br2 N2 O4 S***
CI   COM


HOW MANY MORE ANSWERS DO YOU WISH TO SCAN? (1):1
  
L1   3 ANSWERS   REGISTRY COPYRIGHT 1998 ACS
IN   Thiophene, 2,4-dibromo-3,5-dinitro- (7CI)
MF   ***C4 Br2 N2 O4 S***


HOW MANY MORE ANSWERS DO YOU WISH TO SCAN? (1):1
  
L1   3 ANSWERS   REGISTRY COPYRIGHT 1998 ACS
IN   Thiophene, 3,4-dibromo-2,5-dinitro- (6CI, 9CI)
MF   ***C4 Br2 N2 O4 S***


ALL ANSWERS HAVE BEEN SCANNED

=> S L1 AND 2,5-DIBROMO
    357803 2,5
    109536 DIBROMO
      2724 2,5-DIBROMO
          (2,5(W)DIBROMO)
L2       1 L1 AND 2,5-DIBROMO

=> D L2 IDE
  
L2   ANSWER 1 OF 1 REGISTRY COPYRIGHT 1998 ACS
RN   52431-30-8 REGISTRY
CN   ***Thiophene, 2,5-dibromo-3,4-dinitro- (6CI, 7CI, 9CI)***   (CA
    INDEX NAME)
OTHER NAMES:
CN   ***2,5-Dibromo-3,4-dinitrothiophene***
FS   3D CONCORD
MF   ***C4 Br2 N2 O4 S***
CI   COM
LC   STN Files:   BEILSTEIN*, CA, CAOLD, CAPLUS, CHEMCATS, CHEMINFORMRX,
    CSCHEM, IFICDB, IFIPAT, IFIUDB, SPECINFO, TOXLIT, USPATFULL
      (*File contains numerically searchable property data)

        12 REFERENCES IN FILE CA (1967 TO DATE)
        12 REFERENCES IN FILE CAPLUS (1967 TO DATE)
          3 REFERENCES IN FILE CAOLD (PRIOR TO 1967)

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