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网站主页CAS数据库列表 1231-74-9更多图谱甲基 O-甲基罗汉松酸酯(1231-74-9)红外图谱(IR1)

甲基 O-甲基罗汉松酸酯

产品名称 甲基 O-甲基罗汉松酸酯

CAS号1231-74-9

分子式C19H26O3

分子量302.41

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  • Mass

    MS-NW-6713          
    methyl O-methylpodocarpate
    C19H26O3            (Mass of molecular ion:    302)
    

       Source Temperature: 200 °C
       Sample Temperature: 140 °C
       Direct, 75 eV
    

          15.0       5.8
          18.0       2.7
          27.0       2.5
          28.0       2.2
          29.0       3.2
          31.0       1.1
          39.0       4.1
          41.0      10.1
          43.0       1.7
          45.0       1.4
          51.0       2.1
          53.0       2.8
          55.0       5.9
          59.0       3.0
          63.0       1.5
          65.0       2.2
          67.0       2.8
          69.0       3.9
          73.0       1.5
          77.0       4.2
          78.0       1.5
          79.0       2.1
          81.0       3.1
          83.0       1.0
          89.0       1.2
          91.0       6.4
          93.0       1.6
          95.0       1.3
         101.0       3.4
         102.0       1.3
         103.0       2.4
         104.0       1.1
         105.0       1.9
         107.0       1.3
         115.0       8.2
         116.0       2.8
         117.0       2.3
         119.0       1.6
         121.0      11.1
         122.0       1.3
         127.0       2.8
         128.0       7.1
         129.0       5.3
         130.0       2.0
         131.0       2.2
         134.0      10.6
         135.0       5.9
         141.0       4.3
         142.0       2.1
         143.0       2.2
         144.0       3.1
         145.0       4.9
         146.0       2.8
         147.0      14.2
         148.0       2.4
         151.0       1.1
         152.0       1.8
         153.0       2.3
         154.0       1.1
         155.0       1.9
         157.0       1.8
         158.0       5.7
         159.0       9.0
         160.0       3.0
         161.0      13.9
         162.0       2.0
         165.0       1.8
         167.0       1.1
         169.0       1.2
         171.0      19.3
         172.0       5.9
         173.0      14.0
         174.0       4.8
         175.0       1.7
         184.0       1.1
         185.0       6.0
         186.0       2.0
         187.0       5.7
         188.0       1.4
         197.0       1.4
         198.0       1.5
         199.0       3.3
         200.0       1.7
         201.0       1.5
         211.0       1.3
         212.0       1.0
         213.0       1.8
         225.0       1.5
         227.0     100.0
         228.0      19.1
         229.0       2.7
         240.0       1.0
         241.0       1.4
         242.0       3.3
         243.0       4.2
         244.0       1.5
         255.0       3.3
         287.0       4.2
         288.0       1.0
         302.0      58.2
         303.0      12.2
         304.0       1.7
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C19 H26 O3 0.041 g : 0.5 ml CDCl3
    methyl o-methylpodocarpate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.960 B 6.807 C 6.668 D 3.762 E 3.655 F *1 2.842 G *1 2.724 J *2 2.26 K *3 2.21 L *4 2.16 M *5 2.00 N *4 1.97 P *5 1.624 Q 1.525 R *3 1.398 S 1.269 T *2 1.079 U 1.031 ASSIGNED BY H-H AND C-H COSY

         Hz     ppm     Int.
    

       2786.25   6.972     88
       2777.95   6.951    101
       2721.80   6.811    120
       2719.24   6.805    126
       2670.29   6.682     89
       2667.60   6.675     79
       2661.87   6.661     77
       2659.30   6.655     69
       1503.54   3.763    954
       1460.94   3.656   1000
       1132.81   2.835     38
       1131.23   2.831     39
       1127.32   2.821     41
       1125.85   2.818     36
        915.16   2.290     36
        901.12   2.255     49
        897.83   2.247     47
        883.54   2.211     38
        862.55   2.159     35
        856.57   2.144     33
        803.83   2.012     37
        800.17   2.003     35
        793.95   1.987     32
        789.92   1.977     46
        787.60   1.971     46
        786.38   1.968     42
        782.10   1.957     38
        775.15   1.940     35
        774.05   1.937     35
        655.64   1.641     37
        641.48   1.606     31
        616.09   1.542     67
        614.50   1.538     67
        603.88   1.512     62
        602.17   1.507     56
        560.06   1.402     39
        556.03   1.392     36
        507.57   1.271    686
        442.75   1.108     35
        433.35   1.085     55
        429.20   1.074     54
        419.92   1.051     32
        412.23   1.032    560
    

in CDCl3



KBr disc



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