2071-20-7

双二苯基膦甲烷(2071-20-7)核磁图(³¹PNMR)

产品名称:双二苯基膦甲烷

CAS:2071-20-7

分子式:C25H22P2

分子量: 384.39

InChI:InChI=1S/C25H22P2/c1-5-13-22(14-6-1)26(23-15-7-2-8-16-23)21-27(24-17-9-3-10-18-24)25-19-11-4-12-20-25/h1-20H,21H2

InChIKey: XGCDBGRZEKYHNV-UHFFFAOYSA-N

Smiles:C1(C=CC=CC=1)P(CP(C1C=CC=CC=1)C1=CC=CC=C1)C1=CC=CC=C1

Mass

MS-IW-3863          
bis(diphenylphosphino)methane
C25H22P2            (Mass of molecular ion:    384)

   Source Temperature: 170 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      39.0       1.2
      51.0       3.6
      57.0       1.4
      65.0       2.2
      77.0      12.3
      78.0       3.2
      79.0       3.2
      91.0       8.8
      95.0       4.0
     107.0       6.5
     108.0       7.3
     109.0       1.3
     115.0       2.0
     120.0       1.3
     121.0      81.5
     122.0       6.4
     133.0       2.1
     152.0       3.6
     153.0       1.9
     157.0       1.2
     165.0       7.3
     166.0       3.5
     167.0       1.9
     170.0       1.3
     183.0      17.9
     184.0       3.8
     185.0       3.8
     186.0       1.6
     195.0       1.2
     196.0       2.1
     197.0       6.0
     198.0       1.1
     199.0      46.1
     200.0       7.2
     261.0       3.0
     262.0     100.0
     263.0      19.9
     264.0       1.9
     383.0       2.5
     384.0      55.8
     385.0      15.5
     386.0       2.0

400 MHz in CDCl3

¹H NMR	399.65 MHz
C₂₅ H₂₂ P₂	0.034 g : 0.5 ml CDCl₃
bis(diphenylphosphino)methane

    Assign.     Shift(ppm)

      A             7.429
      B             7.28
      C             2.802
     
     J(P-31,C)=1.5HZ

     Hz     ppm     Int.

   2978.39   7.453    142
   2974.61   7.444    353
   2973.14   7.440    288
   2970.83   7.434    468
   2968.99   7.429    422
   2967.77   7.426    468
   2965.09   7.420    421
   2961.30   7.410    218
   2957.40   7.400     47
   2922.00   7.312     30
   2913.45   7.291    908
   2910.16   7.282   1000
   2907.23   7.275    877
   2897.34   7.250     44
   2896.12   7.247     37
   2895.63   7.246     37
   1121.58   2.807    215
   1120.12   2.803    341
   1118.77   2.800    217

in CDCl3