Figure 1. Configuration of SpecQC.
Figure 2. Example of NMfile format illustrated using compound 1.
Figure 2$B$K(B1-Furan-2-ylpropan-1-one (1) $B$rNc$H$7$FMQ$$!"%G!<%?%Y!<%9(B(NMfile)$B$NFbMF$r<($9!#9=B$>pJs$O(BMolfile[9] $B7A<0$r:NMQ$7!"$=$l$K(BShift block$B$H$7$F5"B0>pJs$NM-$k2=3X%7%U%HCM$H6&LD<~GH?t!"B,DjMOG^$J$I$NIU2C>pJs$rDI2C$7$?$b$N$G$"$k!#(B
Figure 3. Example of HYPER code with up to the sixth sphere.
HYPER code 4:CH3-, 3:CH2<, 2:-CH<, 1:>C<, 1$:>C=O
$BCN<1%Y!<%9$O!"$=$NItJ,9=B$$HBP1~$9$k2=3X%7%U%HCM$H$NAj4XI=$H$7$F:n@.$9$k$,!"BhO;%9%U%#%"$+$iBh0l%9%U%#%"$^$G$N$=$l$>$l$K$D$$$F:n@.$9$k!#Bh0l%9%U%#%"$K$O!"%G!<%?%Y!<%9$NCf$KB8:_$7$J$$0lIt$NItJ,9=B$$N2=3X%7%U%HCM$N7P83CM$rDIJd$7$F$"$k!#$^$?3FAj4XI=$O!"MOG^
Table 1. Example of knowledge base (4 sphere)
$B$3$N(BHYPER$B%3!<%I$rMQ$$$F!"$"$i$+$8$a9=C[$7$?CN<1%Y!<%9$r;2>H$7!"(B1H-NMR$B%9%Z%/%H%k$N2=3X%7%U%HCM$rM=B,CM$H$7$FF@$k!#$3$l$i$NM=B,$5$l$?2=3X%7%U%HCM$H!"Cj=P$5$l$?2=9gJ*$N%G!<%?%Y!<%9Cf$N(B1H-NMR$B%9%Z%/%H%k>pJs$N3:Ev$9$k2=3X%7%U%HCM$H$+$iI>2AE@(B(SCORE)$B$r;;=P$9$k!#$=$NI>2AE@$+$i%G!<%?$NIJ2A$9$k!#$3$l$i$r%G!<%?%Y!<%9Cf$NA4$F$N%G!<%?$K$D$$$F\:Y$K8!F$$7!"$=$NIJe$5$;$k$3$H$,2DG=$H$J$k!#0J2<$K>\:Y$r<($9!#(B
Table 3. Predicted 1H-NMR chemical shifts of compound 2
Table 4. Criteria for classification of data
$B%G!<%?%Y!<%9$N%G!<%?$N=$@5!&DI2C$K$h$jI>2A7k2L$NJQF0$9$k2DG=@-$,$"$j!"Dj4|E*$JIJ
a) Average shift (ppm). b) Count.ID No. Avea) Cntb) HYPER code 3019067 2.070 6 4;1$(O/2/63/ 3019068 2.055 2 4;1$(O/2/64/ 3019069 2.163 7 4;1$(O/3/1$/ 3019070 2.074 30 4;1$(O/3/1/ 3019071 2.075 14 4;1$(O/3/2/ 3019072 2.064 64 4;1$(O/3/3/ 3019073 2.039 3 4;1$(O/3/4/ 3019074 2.067 11 4;1$(O/3/6/ 3019075 2.020 3 4;1$(O/4//
2. 4 $BI>2A%b%8%e!<%k(B
SpecQC$B$N%7%9%F%`%U%m!<$r(BFigure 4$B$K<($9!#J#?t%G!<%?$NIJpJs$rCj=P$9$k!#
Figure 4. System flow of SpecQC.
2. 4. 1 $BItJ,9=B$@8@.%5%V%b%8%e!<%k(B
$B9=B$>pJs!J7k9g9TNs!K$h$jItJ,9=B$@8@.%5%V%b%8%e!<%k$N(BHYPERGEN$B$rMQ$$$F!"?eAG$N7k9g$9$k=E86;R!J%U%)!<%+%986;R!K$N(BHYPER$B%3!<%I$r@8@.$9$k!#K\%7%9%F%`$G$O!"(BHYPERGEN$B$K$*$$$F@8@.$9$k(BHYPER$B%3!<%I$N%9%U%#%"?t$r(B2$B!A(B6$B$N%9%U%#%"$G;XDj2DG=$G$"$k$,!"K\8!Dj$G$OBh(B4$B%9%U%#%"$^$G$N4D6-$N(BHYPER$B%3!<%I$r@8@.$7$F$$$k!#(BHYPER$B%3!<%IBN7O$G$O%a%A%l%s4p$N?eAG$G2=3X%7%U%H$,0[$J$k%8%'%_%J%k%W%m%H%s$*$h$SKvC<%S%K%k4p$N?eAG$N6hJL$O2DG=$G$"$k$,!"$=$NB>$NN)BN2=3X>pJs$O
a) 4: CH3-, 3: CH2<, 2: -CH<, 1: >C<, 6: -CH=,No. of atoms HYPER code (4 sphere) a) 1 1;=21$O(6,3,6/=&,4,=&// 2 O;16(=21$,=2/&,3,&/4/ 3 1;=O13(,=2O,4/6,6,/=&,=&/ 4 2;=16(1$O,=2/3,&,&/4/ 5 2;=2O(6,1/=&,=&1$/3/ 6 2;=26(O,=1/&,1$&/3/ 7 O;=1(13/=2O,4/6,6,/ 8 3;1$4(1,/=2O/6,6/ 9 4;3(1$/1/=2O/
1$: >C=O, &: ring closure code.
2. 4. 2 $B%9%Z%/%H%kM=B,%5%V%b%8%e!<%k(B
$B@8@.$5$l$?3FItJ,9=B$%3!<%I$rMQ$$$F!"CN<1%Y!<%9$r;2>H$7!"3:Ev$9$k%G!<%?$h$jM=B,CM$rF@$k!#?75,2=9gJ*$NEPO?;~$N>l9g$K!"Bh;M%9%U%#%"$^$G$NF1$8ItJ,9=B$$,EPO?$5$l$F$*$i$:!"%R%C%H$7$J$$;~$O!"%9%U%#%"?t$rCJ3,E*$K2<$2$F!J:G>.Bh0l%9%U%#%"$^$G!KM=B,$r9T$&!#$J$*!"%X%F%m86;R!J(BN,O$B$J$I!K$K7k9g$7$??eAG$N2=3X%7%U%H$O!"$=$NB,Dj>r7o$J$I$K$h$j4QB,$G$-$J$$$+!"$^$?$O2=3X%7%U%HCM$,JQF0$9$k$3$H$,$"$j!"%G!<%?%Y!<%9$NCf$K$O!"$=$N%G!<%?$r;}$?$J$$$b$N$,$"$k!#$7$+$7!"%G!<%?%Y!<%9Cf$K$=$NCM$,EPO?$5$l$F$$$k>l9g$O;29MCM$H$7$FM=B,$9$k!#(B3-Methylbutyric acid propyl ester (2)$B$N9=B$$KBP$9$k(B1H-NMR$B%9%Z%/%H%k$NM=B,Nc$r(BTable 3$B$K<($9!#(B
a): Predicted chemical shifts (ppm). b): Deviation. c): Count. d):Hit sphere. e): Input dataNo. of atom Calca) Devb) CNTc) Spd) Obse) SCORE HYPER CODE 9 0.976 0.044 30 4.0 0.95 4;2(34/1$,/O/ 10 0.976 0.044 30 4.0 0.95 4;2(34/1$,/O/ 1 0.982 0.079 52 4.0 0.96 4;3(3/O/1$/ 2 1.641 0.052 17 4.0 1.65 3;34(O,/1$/3/ 8 2.059 0.166 7 4.0 2.11 2;344(1$,,/O/3/ 6 2.175 0.010 3 4.0 2.19 3;1$2(O,44/3,,/3/ 3 4.053 0.073 17 4.0 4.03 3;3O(4,1$/,3/2/ 0.025
2. 4. 3 $B8!Dj%5%V%b%8%e!<%k(B
$B8!Dj%5%V%b%8%e!<%k$G$O!"<0(B (1) $B$K$h$j(BSCORE$B$r;;=P$9$k!#(BSCORE$B$O3F9=B$C10L$N2=3X%7%U%HCM$NBEEv@-$rI>2A$9$k$b$N$H$7$FDj5A$5$l!"%G!<%?%Y!<%9$N3F9=B$$KBP$9$k2=3X%7%U%HCM$H!"$=$l$H$NBP1~$N$"$kM=B,$5$l$?2=3X%7%U%HCM!JCN<1%Y!<%9$NJ?6QCM!K$H$N4V$G!"
n : Number of peaks.
PCS: Predicted 1H-NMR chemical shift.
ICS: Input 1H-NMR chemical shift.
i : 1$B!A(Bn.
$B%X%F%m86;R$K7k9g$9$k?eAG$N2=3X%7%U%HCM$O!"(B2.4.2$B$K=R$Y$?M}M3$K$h$j!"I>2ABP>]$+$i$O=|$/!#(B SCORE$B$O!"?tCM$,>.$5$$$[$I!"%G!<%?%Y!<%9$N%G!<%?$HM=B,%G!<%?$NN`;wEY$,9b$$!#$3$N(BSCORE$B$K$h$j!"3F2=9gJ*$N%9%Z%/%H%k%G!<%?$NIJTable 4$B$N;0
Class Criteria Family SCORE =< 0.10 Neighbor 0.10 < SCORE < 0.30 Stranger 0.30 =< SCORE
$BK\%7%9%F%`$G$O!"?75,%G!<%?$r%G!<%?%Y!<%9$KEPO?$9$k$K$"$?$C$F!":G>.(B1$B7o$N%G!<%?$+$i%A%'%C%/2DG=$G$"$j!"J#?t%G!<%?$KBP$7$F$O%P%C%A%b!<%I$G$NI>2A$r2DG=$H$7$F$$$k!#(B
3 $B
Table 5. Results of classification of data
Evaluation | Total | Family | Neighbor | Stranger | |
---|---|---|---|---|---|
First | Data count | 12,837 | 12, 299 | 451 | 87 |
(%) | 100.00 | 95.81 | 3.51 | 0.68 | |
Second | Data count | 12,750 | 12,615 | 129 | 6 |
(%) | 100.00 | 98.94 | 1.01 | 0.05 |
$BK\8!Dj$K$h$j!"8m$j$,M-$k$HH=L@$7$?0lIt$N%G!<%?$rFigure 5$B$K<($7$?!#(B
Figure 5. Structures with erroneous data in the chemical shifts.
2-Bromo-1,1-diethylethane (3)$B$G$O!"(BTable 6$B$K<($9$h$&$K!"%"%H%`HV9f(B5$B$N2=3X%7%U%HCM$,!"B,Dj$5$l$?%9%Z%/%H%k%A%c!<%H$+$i$O(B3.37 ppm$B$G$"$k$N$K!"?tCM%G!<%?$G$O(B2.37 ppm$B$H5-:\$5$l$F$*$j!"?";z$N8m$j$H9M$($i$l$k$,!"7k2LE*$K$O%G!<%?%Y!<%9$X$NF~NO%(%i!<$G$"$C$?!#(B
Table 6. Example of input error for compound 3
No. atom | Chemical shift (ppm) | Correct shift | |
---|---|---|---|
1 | 4.68 | ||
5 | 2.37 | input error | 3.37 |
6 | 3.61 | ||
6 | 3.69 | ||
7 | 3.61 | ||
7 | 3.69 | ||
8 | 1.25 | ||
9 | 1.25 |
Table 7$B$O!"5"B0$K8m$j$N$"$kNc$G!"(B4-Methylpyrimidine (4)$B$G(BPyrimidine$B9|3J$N(B6$B0L!J%"%H%`HV9f(B6$B!K$H(B5$B0L!J%"%H%`HV9f(B5$B!K$N5"B0$,5U$K$J$C$F$$$?!#(B
Table 8$B$K<($9(B2-Dimethylaminobenzoic acid methyl ester (5)$B$NK'9aB24D$N2=3X%7%U%HCM$NFb!"%"%H%`HV9f(B12$B$H(B13$B$N5"B0$,!"N`;w2=9gJ*$N%G!<%?$H$O0[$J$C$F$*$j!"(BNeighbor$B%/%i%9$H$7$FJ,N`$5$l$?$b$N$G$"$j!"$3$l$b5"B0%(%i!<$G$"$k$H9M$($i$l$k!#(B
Table 7. Example of assignment error for compound 4
No. atom | Chemical shift (ppm) | Correct shift | |
---|---|---|---|
3 | 9.12 | ||
5 | 8.60 | assignment error | 7.21 |
6 | 7.21 | assignment error | 8.60 |
7 | 2.56 |
Table 8. Example of assignment error for compound 5
No. atom | Chemical shift (ppm) | Correct shift | |
---|---|---|---|
7 | 7.55 | ||
8 | 6.80 | ||
9 | 2.79 | ||
10 | 2.79 | ||
11 | 3.79 | ||
12 | 7.23 | assignment error | 6.73 |
13 | 6.73 | assignment error | 7.23 |
Table 9$B$N(B3-Thiocyanatopropenal (6)$B$G$O!"%"%k%G%R%I4p$KNY@\$9$kFs=E7k9g%a%A%s(BCH$B!J%"%H%`HV9f(B3$B!K$H!"$=$l$K7k9g$9$kFs=E7k9g%a%A%s(BCH$B!J%"%H%`HV9f(B4$B!K$H$N4V$N5"B0%(%i!<$,8!=P$5$l$?!#(B
Table 9. Example of assignment error for compound 6
No. atom | Chemical shift (ppm) | Correct shift | |
---|---|---|---|
3 | 7.38 | assignment error | 6.84 |
4 | 6.84 | assignment error | 7.38 |
6 | 9.82 |
9,10-Dimethylanthracene (7)$B$G$O!"(BTable 10$B$K<($9$h$&$K&A0L$H&B0L$N5"B0$N8m$j$G!"(BStranger$B%/%i%9$G8+=P$5$l$?$b$N$G$"$k!#(B
Table 11$B$N(BPerylene (8)$B$G$O%"%H%`HV9f(B9$B!"(B10$B$H(B11$B!"(B12$B$OF1$82=3X%7%U%HCM$H4|BT$5$l!"$^$?!"%"%H%`HV9f(B13$B!"(B14$B$H(B15$B!"(B16$B$OF1$82=3X%7%U%HCM$H4|BT$5$l$k$K$b$+$+$o$i$:!"$=$N2=3X%7%U%HCM$O0[$J$C$F$$$k!#$3$l$O!"%"%H%`HV9f(B9$B!"(B10$B$H(B15$B!"(B16$B$N5"B0$,F~$lBX$o$C$?$?$a$H9M$($i$l$k!#(B
Table 10. Example of assignment error for compound 7
No. atom | Chemical shift (ppm) | Correct shift | |
---|---|---|---|
7 | 3.09 | ||
8 | 3.09 | ||
9 | 7.50 | assignment error | 8.33 |
10 | 7.50 | assignment error | 8.33 |
11 | 7.50 | assignment error | 8.33 |
12 | 7.50 | assignment error | 8.33 |
13 | 8.33 | assignment error | 7.50 |
14 | 8.33 | assignment error | 7.50 |
15 | 8.33 | assignment error | 7.50 |
16 | 8.33 | assignment error | 7.50 |
Table 11. Example of assignment error for compound 8
No. atom | Chemical shift (ppm) | Correct shift | |
---|---|---|---|
9 | 7.48 | assignment error | 8.19 |
10 | 7.48 | assignment error | 8.19 |
11 | 8.19 | ||
12 | 8.19 | ||
13 | 7.48 | ||
14 | 7.48 | ||
15 | 8.19 | assignment error | 7.48 |
16 | 8.19 | assignment error | 7.48 |
17 | 7.66 | ||
18 | 7.66 | ||
19 | 7.66 | ||
20 | 7.66 |
$BK-665;=Q2J3XBg3X(B $BA%DE8x?M=u65
[ 2] SpecInfo Version 3.2, Chemical Concepts, Weinheim, Germany.
[ 3] SDBS (Spectral Data Base System), $B4pHW5;=Q8&5fB%?J%;%s%?!<(B.
[ 4] 1H-NMR Fluka Collection , Chemical Concepts, Weinheim, Germany.
[ 5] $B$?$H$($P!"0J2<$N(BURL$B$G;2>H2DG=!'(B
http://www.aist.go.jp/RIODB/SDBS/menu-j.html
http://www.dsl.tutics.tut.ac.jp/db/