PATENT CLAIM ANALYSIS

Application Number: 15777060
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-12
Patent Classification: ["536", "055000"]

Abstract:
Disclosed are new compounds of formulae: Wherein: R 1  and R 2  can be independently H; a C 1  to C 6  alkyl including methyl, ethyl, propyl, butyl; aryl including phenyl, para-methoxyphenyl; or R 1 ,R 2  together with the carbon C-6 can be a cyclopentylidene or cyclohexylidene; each of these groups being substituted or not; and R 3  can be a C 1  to C 6  alkyl including methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl; or aryl including phenyl, methylphenyl, ethylphenyl, each of these groups being substituted or not. The invention also relates to their method of manufacture and their use for the synthesis of Ara-N 3 , Kdo-N 3  and 4eKdo-N 3 .

Claim (Index 14):
Method of preparation of compound of formula V or of specific compound (5) according to  claim 1 , comprising the chemical reaction of:\n either a compound of formula IV: Wherein: R 1  and R 2  can be independently H; a C 1  to C 6  alkyl including methyl, ethyl, propyl, butyl; aryl including phenyl, para-methoxyphenyl; or R 1 ,R 2  together with the carbon C-6 can be a cyclopentylidene or cyclohexylidene; each of these groups being substituted or not; and R 3  can be a C 1  to C 6  alkyl including methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl; or aryl including phenyl, methylphenyl, ethylphenyl, each of these groups being substituted or not; and R 4  can be a C 1  to C 6  alkyl including methyl, ethyl, propyl; a C 1  to C 6  perfluoroalkyl including trifluoromethyl, pentafluoroethyl; or aryl including para-methylphenyl, para-nitrophenyl; each of these groups being substituted or not. or the specific compound (4), named 2:3-isopropylidene-5-O-methanesulfonyl- D -arabinose O-methyloxime: with an organic or inorganic azide salt in a non-polar solvent or in polar aprotic solvent.

Metadata:
- Claim Count in Document: 11.0
- Percentile: 93.0
- Lexical Diversity: 2.12121
- Patent Class: 536.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15777067', '10285073', '15293425', '14403620', '14372652']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6029098568298912
- 35 USC 102 Novelty (BERT): 0.5191303611685635
- Combined Prediction Score: 0.5945319072637585
- Mean Citation Score: 293.7209180000001
- Max Citation Score: 320.7814
- Similarity Product: 246.630169088626

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 0

Dataset: test