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About:
presence of a base
Head noun: presence
Postmodifier: of a base
Same concepts
Broader concepts
label
provenance
confidence
basic condition
isap:
184568758
0.321862
Narrower concepts
label
provenance
confidence
organic base
isap:
455761223
0.714989
potassium tert-butoxide
isap:
63909992
0.586497
potassium t-butoxide
isap:
284558831
0.565252
alkali metal hydroxide
isap:
412204548
0.563979
sodium carbonate
isap:
411251487
0.560909
sodium hydroxide
isap:
412204549
0.560336
cesium carbonate
isap:
411251486
0.557936
sodium ethoxide
isap:
59295865
0.555915
potassium carbonate
isap:
411251484
0.554995
alkali metal alkoxide
isap:
62865895
0.547031
alkali metal hydride
isap:
49424465
0.537052
sodium hydride
isap:
49424464
0.534626
potassium hydroxide
isap:
412204550
0.484965
trialkylamine such as triethylamine
isap:
63854458
0.483305
potassium phosphate
isap:
411254025
0.474577
lithium diisopropylamide
isap:
332301601
0.474503
tertiary amine
isap:
294070135
0.456053
sodium methoxide
isap:
412848666
0.453302
amine such as triethylamine
isap:
294070136
0.443857
diisopropylethylamine
isap:
58385716
0.422582
alkali metal carbonate
isap:
411251485
0.421691
suitable solvent
isap:
50056182
0.409066
metal carbonate
isap:
411251490
0.405269
pyridine
isap:
60467284
0.335823
potassium
isap:
409992143
0.332308
e.g
isap:
331629358
0.327378
base
isap:
455761218
0.320971
cesium
isap:
102109946
0.314372
ammonia
isap:
46774333
0.310873
triethylamine
isap:
64177774
0.307107
amine
isap:
294070137
0.286304
n-methylmorpholine
isap:
294805751
0.277366
n
isap:
472564754
0.275384
like
isap:
461168297
0.264968
sodium
isap:
99076843
0.261558
naoh
isap:
455648393
0.255410
dichloromethane
isap:
140874843
0.250547
carbonate
isap:
411251488
0.217177
et3n
isap:
454528947
0.215552
dbu
isap:
330911181
0.199669