PATENT CLAIM ANALYSIS

Application Number: 16043363
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2018-11
Patent Classification: ["549", "015000"]

Abstract:
An object of the present invention is to provide a novel compound useful for manufacturing salacinol, a method for manufacturing the compound, a method for manufacturing salacinol, methods for protecting and deprotecting a diol group, and a protective agent for a diol group. A compound represented by Formula (1) is a compound useful for manufacturing salacinol. (In the formula, each of R 1a  and R 1b  is a hydrogen atom or a hydroxy protective group; R 2  is a hydroxy group or the like; and R 3  is a hydroxy group or the like.)

Claim (Index 3):
A method for manufacturing a compound represented by Formula (7b), comprising: obtaining a compound represented by Formula (15) by reacting a compound represented by Formula (13) with a compound represented by Formula (14), (in the formula, R 7  is a C 1-3  alkyl group which may be substituted),\n R 8 -L 2 \u2003\u2003(14) \n (in the formula, R 8  is a C 1-3  alkylsulfonyl group which may be substituted or an arylsulfonyl group which may be substituted; and L 2  is a leaving group), and (in the formula, each of R 7  and R 8  has the same definition as described above); then obtaining a compound represented by Formula (17) by reacting the compound represented by Formula (15) with a compound represented by Formula (16),\n R 9 \u2014S \u2212 K + \u2003\u2003(16) \n (in the formula, R 9  is an acyl group which may be substituted), and (in the formula, each of R 7 , R 8 , and R 9  has the same definition as described above); then obtaining a compound represented by Formula (18) by reacting the compound represented by Formula (17) with a base, (in the formula, each of R 7  and R 8  has the same definition as described above); then obtaining a compound represented by Formula (10) by subjecting the compound represented by Formula (18) to a deprotection reaction, (in the formula, R 7  has the same definition as described above); then obtaining a compound represented by Formula (12) by reacting the compound represented by Formula (10) with a compound represented by Formula (11),\n R 4ba -L 1 \u2003\u2003(11) \n (in the formula, R 4ba  is a p-toluoyl group; and L 1  is a leaving group), and (in the formula, each of R 4ba  and R 7  has the same definition as described above); then obtaining a compound represented by Formula (7a) by reacting the compound represented by Formula (12) with an acid and then subjecting the resulting compound to a reduction reaction, (in the formula, R 4ba  has the same definition as described above); and then subjecting the compound represented by Formula (7a) to a deprotection reaction.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 95.0
- Lexical Diversity: 2.25
- Patent Class: 549.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15268829', '15709794', '14621119', '15867122', '15238784']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7075375892672885
- 35 USC 102 Novelty (BERT): 0.5401679095527152
- Combined Prediction Score: 0.6908006212958312
- Mean Citation Score: 283.8592680000001
- Max Citation Score: 395.88736
- Similarity Product: 254.9915954159545

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