PATENT CLAIM ANALYSIS

Application Number: 15875569
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-05
Patent Classification: ["544", "319000"]

Abstract:
The present invention discloses a method for preparing azoxystrobin intermediates represented by formulae (1) and (2), comprising: controlling a compound represented by formula (3) to contact with sodium methoxide and 4,6-dichloropyrimidine, to obtain a mixture of intermediates represented by formulae (1) and (2), in the existence of a catalyst, the catalyst is an azabicyclic compound or its salt. The present invention further discloses a method for preparing azoxystrobin, comprising: controlling the intermediate represented by formula (2) provided in the present invention to react with 2-cyanophenol or its salt under the catalytic action of an azabicyclic compound or its salt, to obtain an azoxystrobin compound represented by formula (4). The method provided in the present invention has advantages including high transformation ratio, high product purity, easy and convenient operation, and environmental friendliness.

Claim (Index 4):
The method of  claim 1 , wherein, 1 mol of the compound of formula (3) is used and 0.0005-1 mol of the catalyst is used.

Metadata:
- Claim Count in Document: 9.0
- Percentile: 86.0
- Lexical Diversity: 2.37313
- Patent Class: 544.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['11912675', '14889299', '12668219', '14893666', '12444896']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7635195964683856
- 35 USC 102 Novelty (BERT): 0.4902887058914199
- Combined Prediction Score: 0.7361965074106891
- Mean Citation Score: 191.169922
- Max Citation Score: 216.77618
- Similarity Product: 162.63596333277462

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