PATENT CLAIM ANALYSIS

Application Number: 16020228
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2018-12
Patent Classification: ["514", "340000"]

Abstract:
The present invention relates to a new route of synthesis for obtaining Opicapone ((4Z)-4-[3-(2,5-dichloro-4,6-dimethyl-1-oxidopyridin-1-ium-3-yl)-2H-1,2,4-oxadia-zol-5-ylidene]-2-hydroxy-6-nitrocyclohexa-2,5-dien-1-one), new intermediates in the reaction path and the new substance 2,5-dichloro-N-hydroxy-4,6-dimethylpyridine-3-carboximidoyl chloride.

Claim (Index 10):
The process according to  claim 9 , wherein a) comprises:\n a1) mono-chlorinating 4,6-dimethyl-2-hydroxynicotinonitrile in a 5 position in the presence of sulfuryl chloride to yield 5-chloro-2-hydroxy-4,6-dimethylnicotinonitrile and\n a2) chlorinating the 5-chloro-2-hydroxy-4,6-dimethylnicotinonitrile in the presence of phosphorus oxychloride to yield 2,5-chloro-4,6-dimethylnicotinonitrile

Metadata:
- Claim Count in Document: 1.0
- Percentile: 94.0
- Lexical Diversity: 1.20588
- Patent Class: 514.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['12226260', '14014548', '14541654', '14365265', '11989447']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7554722287472109
- 35 USC 102 Novelty (BERT): 0.5149469151106615
- Combined Prediction Score: 0.731419697383556
- Mean Citation Score: 251.078856
- Max Citation Score: 262.3734
- Similarity Product: 180.88299453413487

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

Dataset: test