PATENT CLAIM ANALYSIS

Application Number: 16327972
Application Type: Utility
Filing Date: 2019-02
Publication Date: 2019-06
Patent Classification: ["552", "508000"]

Abstract:
The present invention discloses a process for the preparation of pregnadiene derivatives having formula I, their stereoisomer and intermediate thereof. Formula I wherein each substituent is independently, R 1  and R 2  is hydrogen or C 1 -C 8  straight, branched alkyl chain, saturated or unsaturated cycloalkyl; R 3  is hydrogen or wherein R 5  represents C 1 -C 8  straight, branched alkyl chain or cycloalkyl; R 4  is hydrogen or halogen; R 6  is hydrogen or halogen;

Claim (Index 5):
The process as claimed in  claim 1 , wherein the fluorination is carried out with fluorinating agent selected from the group comprising N-fluoro-benzene sulfonamide, N-fluoro-N chloromethyltrimethylene diamine bistetrafluoroborate, Selectfluor\u00ae, 1-fluoropyridinium triflate, 1-fluoropyridinium tetrafluoroborate, or 1-fluoropyridinium pyridine heptafluorodiborateetc, preferably Selectfluor\u00ae and the solvent selected from the group comprising acetonitrile, isopropenyl acetate, dichloromethane, dimethyl formamide, diethyl ether, and tetrahydrofuran, preferably isopropenylacetate.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 99.0
- Lexical Diversity: 1.76
- Patent Class: 552.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15543862', '12061499', '14354478', '12666423', '15548713']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6365177294951458
- 35 USC 102 Novelty (BERT): 0.5789055744216717
- Combined Prediction Score: 0.6307565139877985
- Mean Citation Score: 223.41237400000003
- Max Citation Score: 277.79678
- Similarity Product: 217.1471404784787

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

Dataset: test