PATENT CLAIM ANALYSIS

Application Number: 16061279
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2018-11
Patent Classification: ["514", "259410"]

Abstract:
Disclosed in the present invention are a crystalline Form of pyrido[1,2-a]pyrimidone analog, a preparation method therefor and an intermediate thereof,

Claim (Index 37):
The method of  claim 36 , the method comprises the following steps, wherein\n alkali A is selected from potassium carbonate, sodium carbonate, cesium carbonate, potassium hydroxide, or sodium hydroxide; \n solvent a is selected from DMF, DMSO, or NMP; \n alkali B is selected from potassium carbonate, sodium carbonate, barium hydroxide, potassium phosphate, cesium carbonate, potassium fluoride, cesium fluoride, sodium hydroxide, potassium t-butoxide, sodium t-butoxide, potassium acetate or sodium acetate; \n solvent b is selected from 1,4-dioxane, DMSO, THF, 1,4-dioxane/water or THF/water; \n a volume ratio of 1,4-dioxane or THF to water in said solvent b is 3-6:1; \n a catalyst is selected from Pd(dppf)Cl 2 , or Pd(PPh 3 ) 4 ; \n 2-dimethylaminoethyl chloride or 2-dimethylaminoethyl bromide can be in the form of its salt.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 94.0
- Lexical Diversity: 1.08333
- Patent Class: 514.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15504018', '15539147', '16331915', '12559927', '16343165']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.808350345679319
- 35 USC 102 Novelty (BERT): 0.5286674835151255
- Combined Prediction Score: 0.7803820594628996
- Mean Citation Score: 323.776176
- Max Citation Score: 338.88705
- Similarity Product: 214.93395564631817

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

Dataset: test