PATENT CLAIM ANALYSIS

Application Number: 16073606
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2019-02
Patent Classification: ["546", "112000"]

Abstract:
The present invention relates to process for preparation of ledipasvir of formula 1 and its novel intermediates. The process involves reaction of compound of formula 2 with compound of formula 3 to yield a compound of formula 4, deprotection of compound of formula 4 to yield compound of formula 5 and conversion of compound of formula 5 to Ledipasvir wherein PG is an amine protecting group provided that amino protecting group is not carbomethyloxy (—COOCH3) group; X and Y are leaving groups.

Claim (Index 37):
A process for preparation of an acetone solvate of compound of formula 4\u2032 comprising heating the reaction mixture containing acetone and compound of formula 4\u2032 to get clear solution, cooling the reaction mixture to room temperature to yield the acetone solvate of compound of formula 4\u2032.

Metadata:
- Claim Count in Document: 29.0
- Percentile: 95.0
- Lexical Diversity: 1.69231
- Patent Class: 546.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15196248', '13884578', '15030990', '14814392', '13800202']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7211441165534686
- 35 USC 102 Novelty (BERT): 0.5296274239178961
- Combined Prediction Score: 0.7019924472899113
- Mean Citation Score: 236.09518
- Max Citation Score: 335.81982
- Similarity Product: 225.91647745130896

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