PATENT CLAIM ANALYSIS

Application Number: 15899055
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-06
Patent Classification: ["546", "278400"]

Abstract:
An object of the present invention is to provide a production method of an intermediate used in the production method of a sulfonylpyrrole compound useful as a pharmaceutical product. The present invention relates to a method of producing sulfonylpyrrole compound (VI) by reacting a pyridine-3-sulfonic acid compound with phosphorus pentachloride in a solvent of chlorobenzene or trifluoromethylbenzene to give a pyridine-3-sulfonyl chloride compound, reacting the compound without isolation with compound (III) to give compound (IV), and subjecting the compound (IV) to a reductive amination reaction. wherein R 2  is a hydrocarbon group etc. and R 3  and R 4  are each a hydrogen atom etc., wherein R 2  is an optionally substituted pyridin-3-yl group, and the other symbols are as defined above, wherein R 5  is an alkyl group and the other symbols are as defined above.

Claim (Index 5):
The production method according to  claim 2 , wherein R 2  is an optionally substituted phenyl group.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 88.0
- Lexical Diversity: 2.05333
- Patent Class: 546.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15266307', '14770914', '13203441', '14303238', '10662165']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.804425433353915
- 35 USC 102 Novelty (BERT): 0.5358674700687243
- Combined Prediction Score: 0.7775696370253959
- Mean Citation Score: 301.150604
- Max Citation Score: 388.10056
- Similarity Product: 229.5451203876113

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