PATENT CLAIM ANALYSIS

Application Number: 16089486
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-04
Patent Classification: ["544", "284000"]

Abstract:
This disclosure provides a process for preparing 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones, specially provides a method for preparing the compound of Formula I, and the method comprises the step of reacting the compound of Formula II with the compound of Formula A in the presence of a condensation agent, an organic base and an organic solvent by condensation.

Claim (Index 27):
The method of  claim 26 , wherein 1) comprises one or more of the following, features:\n the organic solvent is toluene; the inorganic acid is sulfuric acid; the amount of the organic solvent is 7\u02dc9 times volume of the compound of Formula IV; for 1 mol of the compound of Formula IV, 2.0\u02dc3.0 mol of hexamethyldisilazane is used; for 1 mol of the compound of Formula IV, 0.04\u02dc0.06 mol of the inorganic acid is used; the reflux conditions comprise stirring at 105\u02dc120\u00b0 C. until all solids are dissolved completely; and after refluxing, the reaction liquid is cooled to 55\u02dc65\u00b0 C. in an inert atmosphere, then concentrated, and the obtained concentrated solution is cooled to 15\u02dc30\u00b0 C. in an inert atmosphere to provide the compound of Formula IV-TMS.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 97.0
- Lexical Diversity: 1.69231
- Patent Class: 544.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['16070658', '15181348', '11920078', '13059333', '11873671']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7822890264760437
- 35 USC 102 Novelty (BERT): 0.4939028500442514
- Combined Prediction Score: 0.7534504088328644
- Mean Citation Score: 227.750204
- Max Citation Score: 238.44398
- Similarity Product: 172.7228034370041

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

Dataset: test